MySQL Bugs: Search

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ID#	Date	Updated	Type	Status	Sev	Version	OS	CPU	Summary
121630	2026-10-29 8:50	2026-10-29 8:50	MySQL Server: Optimizer	Open	S3	9.7.2	Any	Any	Inconsistent results returned after disabling range scan
121554	2026-10-19 19:46	2026-10-28 23:05	MySQL Cluster: Cluster (NDB) storage engine	Open (1 day)	S2	8.4.11 (mysql-cluster-community)	Ubuntu (Ubuntu 24.04 LTS, kernel 6.8.0 (6.8.0-138-generic at event 3))	x86 (x86_64, AMD EPYC 4004-series (Zen 4), 16 cores / 32 threads)	ndbmtd 8.4.11: DbtupRoutines.cpp:666 require((srcBytes <= max_var_size)) failed in query thread read
121555	2026-10-20 3:29	2026-10-28 21:48	MySQL Server: Replication	Patch approved (3 days)	S2	26.7.0, trunk 3b99be40f8a (26.10.0)	Any	Any	PARTIAL_JSON: replica rejects a JSON diff that replaces a value with the same value (error 3648)
120487	2026-05-17 10:47	2026-10-28 18:10	MySQL Router	Verified (1 day)	S3	MySQL 9.6.0, commit 447eb26e094b444a88c5	Any	Any	MySQLServerMock debug output prints an empty string due to use-after-move
119541	2025-12-11 12:32	2026-10-28 9:48	MySQL Server: Optimizer	Patch approved (321 days)	S2	8.0, 8.4, 9.5	Any	Any	Performance regression due to record buffer in index range scan
121623	2026-10-28 9:00	2026-10-28 9:01	MySQL Server: DDL	Open	S3	8.4.13	Any	Any	InnoDB: INPLACE ALTER crashes after row conversion error with fixed B-tree pages
121622	2026-10-28 8:11	2026-10-28 8:11	MySQL Server: Data Dictionary	Open	S2	8.4.11, 8.4.13, 9.7.2, 9.7.4, 26.10.0	Linux (official mysql docker images)	Any	Upgrade to 8.4.11+ aborts with a bare MY-010020 when mysql.tables has rows of a dropped schema (FTS aux leak)
121589	2026-10-23 7:30	2026-10-28 6:29	MySQL Server: Optimizer	Verified (1 day)	S2	8.0.46, 8.4.13, 9.7.4, 26.10	Any	Any	Some problems when using temporal type and prepare protocol
121526	2026-10-15 21:22	2026-10-27 16:59	Shell Upgrade Checker	Verified (2 days)	S3	9.7.1, 26.7.0	Any	Any	util.checkForServerUpgrade routine syntax check falsely rejects GROUP BY ... WITH ROLLUP in stored routines
121523	2026-10-15 18:32	2026-10-27 15:48	MySQL Server: GIS	Patch pending (9 days)	S3	8.0.46, 8.4.11, 9.7.2, 26.07	Any	Any	ST_PointN / ST_GeometryN / ST_InteriorRingN take N modulo 2^32: ST_PointN(ls, 4294967297) returns the first point instea
121609	2026-10-26 10:05	2026-10-27 15:48	MySQL Server: Optimizer	Patch pending (3 days)	S3	9.7	Any	Any	Record buffer sizing does not account for LIMIT
121524	2026-10-15 18:33	2026-10-27 15:48	MySQL Server: GIS	Patch pending (9 days)	S3	8.0.46, 8.4.11, 9.7.2, 26.07	Any	Any	ST_Transform() truncates the target SRID to 32 bits: ST_Transform(g, 4294971526) transforms to SRID 4230 instead of rais
121544	2026-10-19 6:55	2026-10-27 15:48	MySQL Server: Optimizer	Patch pending (10 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.7.0	Any	Any	GREATEST() incorrectly changes the selected maximum value when evaluated in numeric context
118624	2025-07-10 2:47	2026-10-27 9:48	MySQL Server: InnoDB storage engine	Patch approved (476 days)	S1	8.3.0, 8.0.42, 8.3.0, 8.4.5, 9.3.0	Any	Any	Wrong result when icp(push a 'like condition' into engine)
121590	2026-10-23 8:11	2026-10-27 8:58	MySQL Server: Foreign Keys	Verified (3 days)	S2	26.10.0, 9.7.4 (regression since 9.6.0)	Linux (official mysql Docker images)	x86	Replica applier THD::main_mem_root grows per row when updating a table referenced by a foreign key
121612	2026-10-26 12:38	2026-10-27 7:27	MySQL Server: Optimizer	Verified (2 days)	S2	8.0.46, 8.4.13, 9.7.4, 26.10	Any (Docker container (mysql_dev), Linux x86_64)	Any	DISTINCT / GROUP BY over-evaluate NOT DETERMINISTIC side-effecting functions (N+1 / 2N+1 / 2N)
121611	2026-10-26 12:36	2026-10-27 6:40	MySQL Server: DML	Verified (2 days)	S3	9.7.4, 26.10	Any (Docker container (mysql_dev), Linux x86_64)	Any	JSON Duality View update that deletes a parent group and reassigns its children is rejected with FK error 1451
121607	2026-10-26 9:01	2026-10-27 6:32	MySQL Server: Optimizer	Verified (2 days)	S3	9.7.2	Any	Any	Query with SOUNDS LIKE and multiple subqueries returns empty set by default but 6 rows with materialization=off
114539	2024-04-03 7:36	2026-10-27 6:29	MySQL Server: Optimizer	Verified (939 days)	S1	8.0.36	Any	Any	Unexpected Results by the hint NO_INDEX
120697	2026-06-16 2:37	2026-10-27 4:34	MySQL Server: Packaging	Open	S3	8.4.9	Debian (13)	Any	Undefined symbol error when running Mroonga built with MySQL 8.4.9
121615	2026-10-26 14:33	2026-10-26 23:33	MySQL Server: Optimizer	Verified (3 days)	S2	8.0.39	Linux	x86	Datetime field fails to adjust to local time if input string has fractional seconds that must be rounded up
67978	2012-12-27 6:13	2026-10-26 21:48	MySQL Server: Memory storage engine	Documenting (5052 days)	S3	5.1, 5.5, 5.6	Any	Any	Signed zero is handled incorrectly by HASH indexes and GROUP BY
121620	2026-10-26 21:44	2026-10-26 21:44	MySQL Cluster: Cluster (NDB) storage engine	Open	S3	9.3.0-cluster	Ubuntu (24.04)	Any	Querying ndbinfo reports error when executing DDL
121619	2026-10-26 21:36	2026-10-26 21:36	MySQL Cluster: Cluster (NDB) storage engine	Open	S3	9.3.0-cluster	Ubuntu (24.04)	Any	ndb reports Scan already complete
121618	2026-10-26 20:50	2026-10-26 20:50	MySQL Server: Optimizer	Open	S3	9.x	Any	Any	Prepared statements with VECTOR parameters skip binary charset validation and fail debug assertion when unset
121617	2026-10-26 15:37	2026-10-26 15:37	Connector / NET	Open	S3		Any	Any	Contribution: Report Connecting to Open when a connection opens
121616	2026-10-26 15:37	2026-10-26 15:37	Connector / NET	Open	S3		Any	Any	Contribution: Infer a char parameter as a fixed-length string
121613	2026-10-26 12:51	2026-10-26 12:51	MySQL Server: InnoDB storage engine	Open	S2	26.10.0-trunk (commit 561753af986)	Linux (Linux x86_64, self-compiled trunk (test instance))	Any	CREATE TABLE with 100 varchar(200) latin1 columns is wrongly rejected with ERROR 1118 (Row size too large)
121572	2026-10-22 3:33	2026-10-26 12:42	MySQL Server: DML	Verified (3 days)	S2	9.7.2, 26.07	Any	Any	A valid `CAST(... AS DATE)` element of an `IN` constant list is wrongly treated as NULL
121571	2026-10-22 3:31	2026-10-26 12:37	MySQL Server: DML	Verified (3 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Any	Any	`IN` with a DATE/TIME constant list wrongly matches a string operand carrying a time part
121598	2026-10-24 16:16	2026-10-26 12:31	MySQL Server: Optimizer	Verified (3 days)	S2	8.0.46, 8.4.13, 9.7.4, 26.10	Linux (Docker image mysql:8.4.13)	Any	Wrong row order from a function-wrapped correlated subquery in ORDER BY under a prepared statement
44372	2009-04-20 20:17	2026-10-26 9:48	MySQL Server	Documenting (6299 days)	S3	5.1.30, 5.1 bzr	Any	Any	bug 22125 affects handler::index_next_same in 5.1
121581	2026-10-22 13:20	2026-10-26 8:12	MySQL Server: Optimizer	Verified (3 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Any	Any	ORDER BY satisfied by index scan returns wrong order when skipped const keypart is expanding collation prefix
121580	2026-10-22 13:09	2026-10-26 8:11	MySQL Server: Optimizer	Verified (3 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Any	Any	Range scan and partition pruning miss matching row under expanding collation
121604	2026-10-25 15:12	2026-10-26 7:44	MySQL Server: Group Replication	Open	S3	MySQL 8.4.11 official image	Any	Any	START GROUP_REPLICATION with a long ssl_cipher overflows the XCOM SSL cipher stack buffer
121603	2026-10-25 15:11	2026-10-26 7:43	MySQL Server: Options	Open	S3	MySQL 8.4.11 official image	Any	Any	RESET PERSIST cannot remove a legacy mixed-case persisted variable and leaves a stale entry
121602	2026-10-25 15:10	2026-10-26 7:42	MySQL Server: Components / Services	Open	S2	MySQL 8.4.11 official image	Any	Any	component_keyring_file restores an unvalidated .backup file and destroys the primary keyring
121601	2026-10-25 15:09	2026-10-26 7:40	MySQL Server: User-defined functions ( UDF )	Open	S2	MySQL 8.4.11 official image	Any	Any	locking_service UDF dereferences a NULL integer argument and crashes mysqld
121600	2026-10-25 15:08	2026-10-26 7:38	MySQL Server: Connection Handling	Open	S3	MySQL 8.4.11 official image	Any	Any	Auto-generated TLS certificate/key files are written non-atomically and a truncated file is trusted on restart
121434	2026-10-04 16:12	2026-10-25 5:53	MySQL Server: Information schema	Open	S3	9.7.2, 26.7.0	Any	Any	information_schema.innodb_trx not queryable when utf8mb4 characters present
121599	2026-10-25 4:13	2026-10-25 4:13	Connector / NET	Open	S2	26.10.0	Any	Any	Prepared command with MySqlDbType.Date parameter fails with “Malformed communication packet”
121597	2026-10-24 9:17	2026-10-24 9:17	MySQL Server: Documentation	Open	S3	26.10.0	Any	Any	Missing features descriptions in "What Is New in MySQL 26.10"
121443	2026-10-07 4:56	2026-10-24 8:45	MySQL Server: Foreign Keys	Open (5 days)	S2	9.7.0, 26.7.0	Any	Any	[InnoDB] ERROR 6575 "exceeds max tables limit of 30" refuses a legal DELETE on a two-table schema
121548	2026-10-19 13:11	2026-10-24 8:28	MySQL Server: Foreign Keys	Open	S3	9.7.2	MacOS (27)	ARM (M5)	ON DELETE SET NULL through two self-referencing foreign keys fails with ERROR 6575 “exceeds max tables limit of 30”
121367	2026-09-24 7:45	2026-10-24 8:23	MySQL Server: DML	Verified (35 days)	S2	9.7.2	Ubuntu (Used Docker Image for testing)	Any	ON DELETE CASCADE only deletes first child
121596	2026-10-24 5:56	2026-10-24 5:56	MySQL Server: InnoDB storage engine	Open	S3	5.7.36	Linux (ubuntu 22.04)	RISC-V (RISC-V 64-bit (QEMU))	Unsynchronized access to buf_page_cleaner_is_active during InnoDB shutdown
121239	2026-09-07 1:17	2026-10-24 2:48	MySQL Server: Optimizer	Documenting (52 days)	S2	8.0.46	Any	Any	Wrong result: the same CTE returns inconsistent cardinality across consumers with UNION/EXCEPT
121270	2026-09-12 0:47	2026-10-24 2:48	MySQL Server: Optimizer	Documenting (45 days)	S3	8.0.45	Any	Any	COUNT(DISTINCT ...) incorrectly counts a NULL result from AES_ENCRYPT() when its argument is a scalar subquery
121595	2026-10-23 21:04	2026-10-23 21:04	MySQL Server: Foreign Keys	Open	S1	9.7.4	Windows (Windows 11 x64)	x86	Crash (0xc0000005) when ON UPDATE CASCADE reaches a child table with a REGEXP generated column (SQL-layer FKs)
121455	2026-10-08 16:49	2026-10-23 20:48	MySQL Workbench	Documenting (6 days)	S1	26.7.0	MacOS (27.0.1)	ARM (Apple M4 Max 14 (10 Performance and 4 Efficiency))	MySQL Workbench 26.7.0 doesn't work on macOS 27
121124	2026-08-19 8:10	2026-10-23 14:48	MySQL Server: DDL	Documenting (7 days)	S3	8.0.46	Any	Any	Unrelated CHECK on DATETIME prevents INSTANT/INPLACE ENUM extension
121410	2026-09-30 15:28	2026-10-23 14:48	MySQL Server: Replication	Patch approved (27 days)	S3	26.7.0	Any	Any	CSA applier: Cached_event_payload leaks its event buffer when destroyed without decode()
121576	2026-10-22 12:40	2026-10-23 12:42	MySQL Server: Optimizer	Verified (6 days)	S5	8.0.46, 8.4.11, 9.7.2, 26.07	Any	Any	NO_INDEX_MERGE hint disables plain range access on the named indexes
121593	2026-10-23 9:53	2026-10-23 9:53	MySQL Server: Replication	Open	S3	8.0, 8.4, 9.7, 26.7, 26.10	Any	Any	Query event with a NAME_LEN-byte database name in Q_UPDATED_DB_NAMES is misread: binlog unreadable, replica stops
121183	2026-08-28 8:06	2026-10-23 9:19	MySQL Server: Optimizer	Verified (59 days)	S3	8.0.46, 8.4.11, 9.7.2	Any	Any	Single-element IN (rewritten to =) errors on non-convertible string, multi-element IN silently returns FALSE — behavior
121454	2026-10-08 7:48	2026-10-23 8:13	MySQL Server: Optimizer	Verified (15 days)	S3	8.0.46	Any	Any	Constant folding of a LEFT JOIN right-table expression column ignores NULL semantics, causing wrong NOT EXISTS results
121574	2026-10-22 6:12	2026-10-23 8:12	MySQL Server: Optimizer	Verified (6 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Any	Any	Wrong result: scalar subquery referencing constant column of merged derived table on inner side of LEFT JOIN
121483	2026-10-12 4:54	2026-10-23 6:00	Connector / Python	Open (17 days)	S3	26.7.0	MacOS (27.0.1)	ARM (M2 Mac)	AttributeError on Python 3.15: module ‘ssl’ has no attribute ‘PROTOCOL_TLSv1’ (mysql/connector/network.py)
121588	2026-10-22 17:28	2026-10-23 5:21	MySQL Workbench	Open	S3		Windows	x86	MySQL Workbench displays an unexpected error saying "Parameter is not valid" when I click my saved MySQL connection.
120855	2026-07-03 6:02	2026-10-22 20:48	MySQL Server: Optimizer	Documenting (114 days)	S2	9.6.0,9.7.0	Ubuntu	Any	Wrong result with QUOTE(NULL) in VIEW/CTE WHERE predicate
120994	2026-07-23 14:09	2026-10-22 20:48	MySQL Server: Optimizer	Documenting (87 days)	S2	8.0.46, 8.4.10, 9.7.1	Ubuntu	Any	Inconsistent JOIN result when comparing TEXT and DECIMAL columns with and without UNIQUE index
118898	2025-08-26 12:35	2026-10-22 20:48	MySQL Server: Group Replication	Patch pending (423 days)	S3	8.4.6	Any	Any	Cluster endup having two primary nodes, also if group_replication_single_primary_mode is ON.
120854	2026-07-03 5:49	2026-10-22 20:48	MySQL Server: Optimizer	Documenting (115 days)	S2	9.6.0,9.7.0	Ubuntu	Any	Wrong result with COALESCE(YEAR, 0), arithmetic and window function in VIEW/CTE
121587	2026-10-22 16:14	2026-10-22 16:14	Connector / NET	Open	S3	Connector/NET 8.4.0, 9.7.0, and 26.10.0	Any	Any	Connector/NET savepoint methods do not match SupportsSavepoints
121586	2026-10-22 16:14	2026-10-22 16:14	Connector / NET	Open	S3	Connector/NET 8.4.0, 9.7.0, and 26.10.0	Any	Any	Connector/NET accepts undefined UpdatedRowSource values
121585	2026-10-22 16:14	2026-10-22 16:14	Connector / NET	Open	S3	Connector/NET 8.4.0, 9.7.0, and 26.10.0	Any	Any	Connector/NET reader value access throws the wrong exception for invalid state
121584	2026-10-22 16:14	2026-10-22 16:14	Connector / NET	Open	S3	Connector/NET 8.4.0, 9.7.0, and 26.10.0	Any	Any	Connector/NET DbParameter defaults differ from ADO.NET
121583	2026-10-22 16:09	2026-10-22 16:09	Connector / NET	Open	S3	Connector/NET 8.4.0, 9.7.0, and 26.10.0	Any	Any	Connector/NET GetOrdinal does not prefer exact-case column matches
121050	2026-08-03 22:09	2026-10-22 14:48	MySQL Server: Replication	Documenting (21 days)	S3	8.0, 8.4, 9.7 and 26.7	Any	Any	Confusing Last_IO_Error "fatal error 1236" since 8.0 (also affecting 8.4, 9.7 and 26.7) and more.
121056	2026-08-04 22:19	2026-10-22 14:48	MySQL Server: Replication	Documenting (21 days)	S2	8.0, 8.4, 9.7 and 26.7.0	Any	Any	The recovery recommendations in Last_IO_Error "fatal error 1236" are wrong (since 8.0.17).
121018	2026-07-28 5:43	2026-10-22 14:48	MySQL Server: Optimizer	Documenting (92 days)	S2	9.7.1	MacOS	ARM	subquery_to_derived produces wrong EXISTS/NOT EXISTS results with LIMIT (silent corruption)
121269	2026-09-12 0:19	2026-10-22 14:48	MySQL Server: Optimizer	Documenting (45 days)	S2	9.7	Any	Any	Incorrect result from IN comparison involving CONCAT() and a scalar subquery
120350	2026-04-27 8:35	2026-10-22 13:09	MySQL Server: Optimizer	Verified (184 days)	S2	9.6.0	Linux	Any	Prefix index on TEXT column causes range scan to miss qualifying rows in MySQL
121579	2026-10-22 13:07	2026-10-22 13:07	MySQL Workbench: Documentation	Open	S3	26.7	Any	Any	No Documentation or Release Notes
20447	2006-06-14 5:06	2026-10-22 12:47	MySQL Server: Charsets	Verified (6548 days)	S2	4.0, 4.1, 5.0, 5.1	Any (any)	Any	Problem with prefix keys with contractions and expansions
121150	2026-08-21 15:17	2026-10-22 10:28	MySQL Server: Connection Handling	Verified (7 days)	S3		Any	Any	Contribution: Shrink NET::buff to reduce memory usage
121568	2026-10-21 11:53	2026-10-21 11:53	MySQL Server: InnoDB storage engine	Open	S2	8.0.46 (also in 8.4)	Any ((reproduced on Linux, Docker image mysql:8.0))	Any	InnoDB FULLTEXT boolean mode: a wildcard term after a phrase misses rows still in the FTS index cache
121566	2026-10-21 6:01	2026-10-21 6:01	MySQL Server: InnoDB storage engine	Open	S1	9.7.2	Linux	Any	Out of memory when executing ALTER TABLE XXX MODIFY COLUMN XXXX
121565	2026-10-21 4:28	2026-10-21 4:41	MySQL Server: JSON	Open	S3	9.7.2	Oracle Linux (Oracle Linux 9.8, Docker (Windows 11/WSL2))	x86 (AMD Ryzen 7 5800H, 4 vCPU, 3 GiB RAM)	Severe JSON_SCHEMA_VALID regression on acyclic schemas with shared $ref references
121560	2026-10-20 10:40	2026-10-21 2:48	MySQL Server: DDL	Open (8 days)	S3	9.7.2	Any	Any	SHOW CREATE TABLE produces unusable statement
121538	2026-10-18 13:39	2026-10-21 2:48	MySQL Server: Optimizer	Patch pending (11 days)	S2	9.7.2, 26.07	Ubuntu (24.04)	x86 (x86_64)	Wrong result: RIGHT JOIN of two derived tables followed by LEFT JOIN drops the RIGHT JOIN's ON condition and filters the
115709	2024-07-29 5:22	2026-10-20 20:48	Shell VSCode Extension	Documenting (821 days)	S2	1.15.2	Windows	Any	DATETIME appears as date, not time is visible in result sets
121563	2026-10-20 14:17	2026-10-20 14:17	Connector / J	Open	S3	9.7.0	Ubuntu (Ubuntu 24.04, kernel 6.8.0-139-generic)	x86	getColumnClassName() ignores treatMysqlDatetimeAsTimestamp for DATETIME
121022	2026-07-28 13:01	2026-10-20 11:06	MySQL Server: Installing	Verified (9 days)	S2	26.7.0, 26.10.0-er, 26.10.0	MacOS (26.6, 26.7, 27.0.1 )	ARM ((Apple Silicon))	No MySQL PreferencePane in macOS installer package
115830	2024-08-14 2:24	2026-10-20 8:41	MySQL Server: InnoDB storage engine	Verified (806 days)	S3	8.0.39, 8.4.2, 9.0.1	Any	Any	`Replace into` may be invalid when functional key is unique
109445	2022-12-21 5:14	2026-10-20 8:29	MySQL Server: Storage Engine API	Verified (1408 days)	S3	8.0.31	Any	Any	Handler table flag HA_DUPLICATE_KEY_NOT_IN_ORDER is unused
121559	2026-10-20 6:59	2026-10-20 6:59	MySQL Server: Data Types	Open	S3	9.7, 2X	Any	Any	STRING_TO_VECTOR() refuses valid float32 denormal components with ER_TO_VECTOR_CONVERSION
121327	2026-09-20 20:19	2026-10-20 5:02	MySQL Server: Optimizer	Verified (9 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Any	Any	TIME(N) compared with a non-constant string is compared as text, not as a time
121508	2026-10-15 4:52	2026-10-20 4:44	MySQL Server: Data Types	Verified (9 days)	S3	8.0.46, 8.4.11, 9.7.2, 26.07	Any	Any	DATE_ADD/ADDDATE/SUBDATE/TIMESTAMPADD read an unsigned interval >= 2^63 as negative: ADDDATE(d, 18446744073709551614) =
121509	2026-10-15 5:00	2026-10-20 4:31	MySQL Server: Data Types	Verified (9 days)	S3	8.0.46, 8.4.11, 9.7.2, 26.07	Any	Any	Integer >= 2^63 converted to TIME is read as signed: CAST(18446744073709551614 AS TIME) = -00:00:02, TIME_TO_SEC() = -2
121510	2026-10-15 5:01	2026-10-20 4:28	MySQL Server: Data Types	Verified (9 days)	S3	8.0.46, 8.4.11, 9.7.2, 26.07	Any	Any	CONV() truncates from_base and to_base to 32 bits: CONV('11', 4294967298, 10) = '3' instead of NULL
121511	2026-10-15 5:02	2026-10-20 4:26	MySQL Server: Data Types	Verified (9 days)	S3	8.0.46, 8.4.11, 9.7.2, 26.07	Any	Any	FORMAT(X, D) takes D modulo 2^32: FORMAT(1.5, 4294967298) = '1.50' and FORMAT(1.5, 2147483648) = '2'
121512	2026-10-15 5:03	2026-10-20 4:24	MySQL Server: Data Types	Verified (9 days)	S3	8.0.46, 8.4.11, 9.7.2, 26.07	Any	Any	ELT(N, ...) wraps N modulo 2^32 in numeric context: ELT(4294967297,1,2,3)+0 = 1 while ELT(4294967297,1,2,3) IS NULL
121513	2026-10-15 5:12	2026-10-20 4:23	MySQL Server: Data Types	Verified (9 days)	S3	8.0.46, 8.4.11, 9.7.2, 26.07	Any	Any	TIME string parser takes the hour, minute and second fields modulo 2^64: CAST('18446744073709551635:40:27' AS TIME) = 19
121515	2026-10-15 7:58	2026-10-20 4:19	MySQL Server: Optimizer	Verified (9 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Any	Any	Unexpected NUL-byte padding in EXCEPT result involving numeric BIT_XOR() and SUBTIME()
121516	2026-10-15 10:03	2026-10-20 4:14	MySQL Server: Data Types	Verified (9 days)	S3	9.7.2, 26.07	Windows	Any	VECTOR_TO_STRING() round-trip changes VECTOR value
121522	2026-10-15 18:30	2026-10-20 4:12	MySQL Server: DML	Verified (9 days)	S3	8.0.46, 8.4.11, 9.7.2, 26.07	Any	Any	REGEXP_INSTR/REGEXP_SUBSTR/REGEXP_REPLACE truncate pos and occurrence to 32-bit int: occurrence 4294967298 acts as 2
121558	2026-10-20 3:31	2026-10-20 3:31	MySQL Server: FULLTEXT search	Open	S2	26.7.0, trunk 3b99be40f8a (26.10.0)	Any	Any	InnoDB FULLTEXT never indexes a row whose transaction later moves it to a smaller primary key
121557	2026-10-20 3:30	2026-10-20 3:30	MySQL Server: Foreign Keys	Open	S3	26.7.0, trunk 3b99be40f8a (26.10.0)	Any	Any	SQL-layer FKs: UPDATE IGNORE row skipped for a duplicate key keeps its ON UPDATE CASCADE / SET NULL child changes
121556	2026-10-20 3:29	2026-10-20 3:29	MySQL Server: Foreign Keys	Open	S2	26.7.0, trunk 3b99be40f8a (26.10.0)	Any	Any	SQL-layer FKs: ON UPDATE CASCADE skips the parent UPDATE (0 rows, no error) when a child already holds the new value
121552	2026-10-19 15:13	2026-10-19 15:17	Connector / J	Open	S3	26.7.0 (also 9.5.0, 9.6.0, 9.7.0)	Any (reproduced on Windows 11 / Java 25; seen on Linux / Java 25)	Any	OpenTelemetry context propagation leaks query attributes into reused statements, causing 1835 errors
121549	2026-10-19 13:48	2026-10-19 13:48	Shell VSCode Extension	Open	S3		Any	Any	Contribution: Add SSH agent authentication option
121545	2026-10-19 10:32	2026-10-19 10:34	MySQL Server: Components / Services	Open	S3		Any	Any	OpenID Connect client plugin: process-wide id-token-file does not fit multi-connection programs
121543	2026-10-19 6:14	2026-10-19 9:13	MySQL Server: InnoDB storage engine	Open (10 days)	S3	8.4.11, 9.7.2	Any	Any	READ COMMITTED range DELETE waits on a record outside the exclusive upper bound
121102	2026-08-17 1:29	2026-10-19 8:48	MySQL Server: InnoDB storage engine	Documenting (69 days)	S2	8.0.46,8.4.11,9.7.2, 26.10.0	Any	Any	INPLACE rebuild may corrupt long-prefix secondary indexes
121531	2026-10-16 9:20	2026-10-19 6:05	MySQL Server: Optimizer	Verified (10 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Any	Any	IP address validation functions incorrectly return 0 instead of NULL for integer-typed NULL arguments
121539	2026-10-18 13:40	2026-10-19 6:01	MySQL Server: Optimizer	Verified (10 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Ubuntu (24.04)	x86 (x86_64)	Wrong result: INTERSECT ALL with hash_set_operations=off returns too few rows when its temporary table exceeds tmp_table
121540	2026-10-18 13:41	2026-10-19 5:59	MySQL Server: Optimizer	Verified (10 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Ubuntu (24.04)	x86 (x86_64)	Wrong result: second NOT EXISTS (always-true correlated predicate) is looked up on the first subquery's materialized col
121506	2026-10-14 13:04	2026-10-19 4:55	MySQL Server: Optimizer	Verified (10 days)	S2	8.4.11, 9.7.2, 26.7.0	Ubuntu (24.04)	x86 (x86_64)	Wrong result: with subquery_to_derived=on, a correlated scalar COUNT(*) over a derived table is not grouped when the cor
121505	2026-10-14 13:02	2026-10-19 4:52	MySQL Server: Optimizer	Verified (10 days)	S2	26.7.1	Ubuntu (24.04)	x86 (x86_64)	Wrong result: EXISTS (semijoin duplicate weedout) over a derived table with INTERSECT ALL / EXCEPT ALL removes the dupli
121500	2026-10-14 7:42	2026-10-19 4:50	MySQL Server: Optimizer	Verified (10 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Linux	Any	CTE omits a row from a GROUP BY WITH ROLLUP result
121529	2026-10-16 7:40	2026-10-18 19:55	MySQL Server: Optimizer	Verified (11 days)	S2	26.7.0, 26.10.0-er	Linux	Any	CASE WHEN TRUE changes the result of a DATETIME comparison with subquery
121541	2026-10-18 18:55	2026-10-18 18:55	MySQL Server: User-defined functions ( UDF )	Open	S2	8.4.0 through 8.4.11	Any	Any	Loadable function receives a corrupted string argument when the argument is CONCAT(...) of a CAST(... AS CHAR) (MySQL 8.
121494	2026-10-13 10:42	2026-10-16 18:50	MySQL Server: InnoDB storage engine	Open	S2	8.0.36	Any	Any	UPDATE statement fails with a duplicate-key error but partially applies changes to the table
120599	2026-06-02 8:24	2026-10-16 14:48	MySQL Server: Optimizer	Documenting (121 days)	S3	8.0.43	Any	Any	Field_set::sql_type() Corrupts 4-byte UTF-8 Characters, Breaking Replication
121532	2026-10-16 10:10	2026-10-16 10:11	MySQL Server: InnoDB storage engine	Open	S5		Any	Any	InnoDB: narrow LRU list mutex scope in buf_page_init_for_read() and fix LRUItr::start() scan restart
121528	2026-10-16 7:27	2026-10-16 8:37	MySQL Server: Optimizer	Verified (13 days)	S2	8.0.46	Any	Any	Wrong results with dynamic range and covering index merge intersection
121527	2026-10-16 7:03	2026-10-16 7:03	MySQL Utilities: Binlog Events	Open	S3	8.4, 8.0	Any	Any	redundant Table_map events in the binlog when triggers are present
120338	2026-04-23 20:37	2026-10-15 15:47	MySQL Server: Documentation	Open (14 days)	S3	9.7	Any	Any	What Is New in MySQL 9.7 manual page has contents from 9.5
121520	2026-10-15 13:46	2026-10-15 13:46	Shell VSCode Extension	Open	S3		Any	Any	Contribution: Fix Visual Explain to use the SQL editor session
95548	2019-05-27 16:05	2026-10-15 12:34	MySQL Server: Parser	Verified	S3	5.7.25	Any	Any	Rounding of datetime constants in WHERE is inconsistent
121519	2026-10-15 10:52	2026-10-15 10:52	MySQL Workbench: SQL Editor	Open (14 days)	S3	26.7	Windows	Any	ctrl+enter is different on workbench 26.7
121271	2026-09-12 2:30	2026-10-15 9:52	MySQL Server: Optimizer	Verified (14 days)	S5	8.0.46, 8.4.11, 9.7.2, 26.07	Ubuntu (22.04.4 LTS)	x86 (Intel(R) Xeon(R) Gold 5220 CPU @ 2.20GHz)	Equivalent range-predicate rewrite exposes ORDER BY cost-ranking inversion: 2.9x higher-cost plan runs 2.85x faster
121329	2026-09-21 2:45	2026-10-15 9:38	MySQL Server: Optimizer	Verified (14 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Any	Any	MIN()/MAX() on indexed DATETIME with a range predicate returns a value it excludes
121480	2026-10-11 15:44	2026-10-15 9:37	MySQL Server: Optimizer	Verified (14 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Ubuntu (24.04)	x86 (x86_64)	Wrong result with subquery materialization: lookup on <auto_distinct_key> converts the probe value to the key type
121449	2026-10-07 12:18	2026-10-14 20:48	MySQL Workbench	Documenting (20 days)	S3	26.7	Any	Any	MariaDB connections are blocked
121450	2026-10-07 15:31	2026-10-14 20:48	Shell VSCode Extension	Documenting (20 days)	S3		Any	Any	Contribution: Fix MariaDB connection setup and binlog metadata
121343	2026-09-21 14:37	2026-10-14 14:48	MySQL Server: Replication	Documenting (17 days)	S2	MySQL 8.4 branch, commit `99960bf74fa919	Any	Any	Group Replication generates invalid Clone SQL from a valid TLS path containing an apostrophe
121504	2026-10-14 12:30	2026-10-14 12:30	MySQL Server: Federated storage engine	Open	S3	8.4.11	Any	Any	FEDERATED: ER_NET_ERROR_ON_WRITE (1160) from closing a dead remote connection is returned to an unrelated statement
109173	2022-11-23 7:51	2026-10-14 12:04	MySQL Server: Optimizer	Verified (1435 days)	S5	.31, 8.0.31	Any	Any	Contribution: Offset pushdown to InnoDB and removal of redundant conditions
121503	2026-10-14 10:21	2026-10-14 10:21	Connector / NET	Open	S1	Version: 26.7.0	Windows (Windows (10 x64))	Any	Concurrent TransactionScopes share one physical connection: failures, leaked open transactions, finalizer-thread crash
121435	2026-10-05 14:28	2026-10-14 10:13	MySQL Server: Optimizer	Verified (15 days)	S3	26.7	Windows (Windows 11 64-bit)	x86 (x86_64 architecture)	derived_condition_pushdown causes incorrect REGEXP matching with JSON_TABLE under NO_BACKSLASH_ESCAPES mode
39298	2008-09-08 6:42	2026-10-14 9:20	MySQL Server: Optimizer	Verified (6450 days)	S3	4.0, 4.1, 5.0, 5.1, 6.0	Any	Any	Prefix key search returns wrong result for multi-level collations
77805	2015-07-23 2:01	2026-10-14 8:36	MySQL Server: DML	Verified (4116 days)	S1	5.6.25 MySQL Community Server (GPL)	Ubuntu (Ubuntu 14.04.2 LTS x86_64)	Any	NULLIF cause wrong value with cast datetime
121490	2026-10-12 16:39	2026-10-14 8:11	MySQL Server: Optimizer	Verified (15 days)	S2	26.7.0, 26.10.0-er	Linux	Any	Wrapping a correlated scalar subquery in CASE changes its result when the outer aggregate has no matching rows
121436	2026-10-06 9:02	2026-10-14 7:45	MySQL Server: Optimizer	Verified (15 days)	S2	26.7.0, 26.10.0-er	Linux	Any	Wrapping COUNT(*) in CASE with identical branches changes the result of a scalar subquery in WHERE
121285	2026-09-15 7:31	2026-10-13 20:48	MySQL Workbench	Documenting (22 days)	S1	26.7.0	Windows (Win11)	x86 (64-bit)	Workbench 26.7.0 does not connect
121412	2026-09-30 18:08	2026-10-13 20:48	MySQL Server: Replication	Documenting (27 days)	S3		Any	Any	Contribution: Initialize binlog event scalar members
121498	2026-10-13 17:00	2026-10-13 17:00	MySQL Server: DDL	Open	S3	8.4.11, 9.7.2, 26.7.0	Linux (official Docker images mysql:8.4.11, mysql:9.7.2, mysql:26.7.0)	x86	DROP COLUMN silently drops CHECK constraints that use no column
121497	2026-10-13 16:44	2026-10-13 16:44	MySQL Server: DDL	Open	S3	8.4.11, 9.7.2, 26.7.0	Linux (official Docker images mysql:8.4.11, mysql:9.7.2, mysql:26.7.0)	x86	ALTER TABLE rewrites CHECK (c = 0) on DATETIME to '0000-00-00 00:00:00'
121492	2026-10-13 0:27	2026-10-13 15:20	Shell Upgrade Checker	Verified (16 days)	S3	26.7.1, 9.7.1, 8.4.10	Any	Any	Upgrade checker misses most FLOAT/DOUBLE AUTO_INCREMENT columns, so the 8.4 upgrade aborts after a clean check
121493	2026-10-13 7:22	2026-10-13 14:51	Shell Upgrade Checker	Verified (16 days)	S3	8.0.36	Red Hat	x86	MySQL Shell Upgrade Checker reports 3 errors but output identifies only 1 actual error during upgrade validation
120940	2026-07-16 2:03	2026-10-13 14:16	Shell Upgrade Checker	Verified (16 days)	S2	8.4.10, 9.7.1	Any	Any	check-for-server-upgrade misses removed-function usage when whitespace separates the function name from '('
121433	2026-10-04 5:28	2026-10-13 9:45	MySQL Server: Optimizer	Verified (16 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Any	Any	Index on NO PAD column drops rows for "= ... COLLATE utf8mb4_bin" (PAD SPACE)
121432	2026-10-04 5:27	2026-10-13 9:37	MySQL Server: JSON	Verified (16 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Any	Any	Multi-valued index on CAST(... AS UNSIGNED ARRAY) rounds 1.5 to 2; DELETE ... WHERE 2 MEMBER OF removes it
121431	2026-10-04 5:24	2026-10-13 9:30	MySQL Server: Optimizer	Verified (16 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Any	Any	Index on BIGINT hides rows equal to a DOUBLE constant just above BIGINT max (range optimizer: value_out_of_range)
121468	2026-10-09 12:17	2026-10-13 6:16	MySQL Server: Optimizer	Verified (16 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Linux	Any	Row IN returns NULL instead of FALSE when a candidate contains a CTE scalar subquery
121475	2026-10-10 16:06	2026-10-13 6:07	MySQL Server: GIS	Verified (16 days)	S3	8.0.46, 8.4.11, 9.7.2, 26.07	Windows	Any	ST_Within returns different results when a geographic SPATIAL index is forced
121476	2026-10-11 15:27	2026-10-13 6:05	MySQL Server: Optimizer	Verified (16 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Ubuntu (24.04)	Any (x86_64)	Wrong result: join on "a = b AND a <=> b" returns (NULL, NULL) when an index lookup is used
121479	2026-10-11 15:43	2026-10-13 5:59	MySQL Server: Optimizer	Verified (16 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Ubuntu (24.04)	x86 (x86_64)	ERROR 1815 "Internal error: Key not found" for IN subquery comparing a unique key with (out-of-range constant < column)
121482	2026-10-11 15:47	2026-10-13 5:25	MySQL Server: Optimizer	Verified (16 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Ubuntu (24.04)	Any (x86_64)	Wrong result: with SQL_BUFFER_RESULT, HAVING COUNT() on a query without GROUP BY is evaluated as if COUNT() were 0
121491	2026-10-12 19:03	2026-10-12 19:03	MySQL Server: Foreign Keys	Open	S5	9.6.0	MacOS (Homebrew build, x86_64)	Any	SQL-layer FKs prepare ON UPDATE CASCADE for UPDATEs that don't touch referenced columns
121489	2026-10-12 15:42	2026-10-12 15:54	Shell Upgrade Checker	Verified	S3	9.7.1	Any	Any	Upgrade checker: mysql_native_password=ON in option file not flagged for 9.x target
121350	2026-09-22 7:49	2026-10-12 5:20	MySQL Server: Group Replication	Documenting (31 days)	S2	MySQL 8.4 branch, commit `99960bf74fa919	Any	Any	SQL RESTART is not exempted from Group Replication consistency waits
121474	2026-10-10 8:38	2026-10-10 8:38	MySQL Cluster: Cluster (NDB) storage engine	Open	S2	MySQL/NDB 8.4.11 source, commit `99960bf	Any	Any	ndbxfrm returns success after destination fsync fails with EIO
121473	2026-10-10 8:35	2026-10-10 8:36	MySQL Cluster: Cluster (NDB) storage engine	Open	S3	MySQL/NDB 8.4.11 source, commit `99960bf	Any	Any	malformed NDBXFRM1 trailer causes an unsigned underflow and SIGSEGV in ndbxfrm
121471	2026-10-10 8:28	2026-10-10 8:28	MySQL Server: InnoDB storage engine	Open	S3	26.7.0	Any	Any	InnoDB: online ALTER TABLE UPDATE replay leaks persistent cursor buffer on reuse
121470	2026-10-09 22:31	2026-10-09 22:31	MySQL Server: Documentation	Open	S3	9.7	Any	Any	Typo in Section 5.6.6 Using Foreign Keys
121334	2026-09-21 8:43	2026-10-09 21:34	Connector / NET	Verified (20 days)	S2	26.7	Windows	Any	Process Crash because of MySQL Driver
121442	2026-10-07 0:25	2026-10-09 21:06	Connector / NET	Verified (20 days)	S3		Any	Any	DATETIME data type fields exposed as MySqlDateTime through the ADO.NET driver are not IFormattable
114523	2024-04-01 9:48	2026-10-09 13:21	Connector / J	Verified (903 days)	S2	8.3.0	Any	Any	Deadlock when closing connection
41293	2008-12-08 10:21	2026-10-09 11:58	MySQL Server	Verified (6407 days)	S2	5.0 bzr, 5.1	Any	Any	user variables from remote hosts can be considerably slow
121467	2026-10-09 11:49	2026-10-09 11:56	MySQL Server: Replication	Open (20 days)	S2	26.7.10	Any	Any	Replica SQL thread stops with ER_DUP_ENTRY when HASH_SCAN replays an Update_rows event that rotates unique key values
96236	2019-07-17 14:56	2026-10-09 7:14	MySQL Server: InnoDB storage engine	Verified (2660 days)	S1	5.7.25, 8.0.16	Any	Any	Big intrinsic tmp InnoDB table make InnoDB engine get totally stuck
121465	2026-10-09 6:59	2026-10-09 6:59	MySQL Server: InnoDB storage engine	Open	S2	8.0.46	Any	Any	Optimize purge by checking multiple secondary index entries in one clustered version-chain scan
121463	2026-10-09 1:23	2026-10-09 1:23	MySQL Cluster: Cluster (NDB) storage engine	Open	S3	\|26.10.0-cluster	Ubuntu (24.04)	Any	INSERT reports error while inserting data in a table with foreign key references a partitioned table in NDB
121462	2026-10-09 1:15	2026-10-09 1:15	MySQL Cluster: Cluster (NDB) storage engine	Open	S3	\|26.10.0-cluster	Ubuntu (24.04)	Any	Inconsistant result in NDB and InnoDB while using foreign key
121461	2026-10-09 1:03	2026-10-09 1:03	MySQL Cluster: Cluster (NDB) storage engine	Open	S3	\|26.10.0-cluster	Ubuntu (24.04)	Any	INSERT ... SELECT duplicate key reports the source table instead of the target
121460	2026-10-09 0:54	2026-10-09 0:54	MySQL Cluster: Cluster (NDB) storage engine	Open	S3	\|26.10.0-cluster	Ubuntu (24.04)	Any	Inconsistant result after modifying optimizer_switch while using binary
121459	2026-10-09 0:33	2026-10-09 0:33	MySQL Cluster: Cluster (NDB) storage engine	Open	S3	\|26.10.0-cluster	Ubuntu (24.04)	Any	Inconsistant result after modifying optimizer switch while using date
120196	2026-03-31 23:50	2026-10-08 23:54	MySQL Server: InnoDB storage engine	Verified (21 days)	S3	9.6.0	Any	Any	n_mysql_tables_in_use uint32 underflow via MRR dsmrr_init() error path in handler.cc
121458	2026-10-08 22:01	2026-10-08 22:01	MySQL Cluster: Cluster (NDB) storage engine	Open	S3	\|26.10.0-cluster	Ubuntu (24.04)	Any	Inconsistant result after modifying optimizer_switch with enum
121457	2026-10-08 21:56	2026-10-08 21:56	MySQL Cluster: Cluster (NDB) storage engine	Open	S3	\|26.10.0-cluster	Ubuntu (24.04)	Any	Inconsistant result after modifying engine_condition_pushdown
121456	2026-10-08 21:51	2026-10-08 21:51	MySQL Cluster: Cluster (NDB) storage engine	Open	S3	\|26.10.0-cluster	Ubuntu (24.04)	Any	Inconsistant result while disabling engine_condition_pushdown
89486	2018-01-31 15:00	2026-10-08 14:48	MySQL Server: Compiling	Documenting (3193 days)	S3	5.6, 5.7, 5.6.39	Any	Any	using MYSQL_SERVER_SUFFIX longer than 55 bytes causes mysqld crash at start
121079	2026-08-12 12:49	2026-10-08 9:08	MySQL Server: Optimizer	Verified (21 days)	S2	8.4.9	Linux	Any	Wrong result: quantified comparison subquery (>= ALL etc.) evaluates FALSE under double negation
121404	2026-09-30 7:03	2026-10-08 8:58	MySQL Server: Optimizer	Verified (21 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Linux	Any	Wrong result: row constructor comparison in WHERE returns no rows when a tuple element is a null-extended outer-join col
121452	2026-10-07 19:25	2026-10-07 19:25	MySQL Cluster: Cluster (NDB) storage engine	Open	S3	\|26.10.0-cluster	Ubuntu (24.04)	Any	XA PREPARE causes connection lost
121451	2026-10-07 15:34	2026-10-07 15:34	Connector / ODBC	Open	S3		Any	Any	Contribution: Fix sign extension for unsigned TINYINT in SSPS
121385	2026-09-28 11:48	2026-10-07 14:48	MySQL Router	Documenting (28 days)	S3	26.10.0-er	MacOS (27.0)	ARM	"ignoring return value of function declared with 'nodiscard' attribute"
120739	2026-06-22 11:42	2026-10-07 14:17	MySQL Server: Replication	Need Feedback (22 days)	S1	5.7.25	Linux	x86	Corruption of the index file caused stale binary log entries to be re-applied after executing FLUSH LOGS
121445	2026-10-07 7:50	2026-10-07 13:05	MySQL Server: Logging	Open (22 days)	S3	8.4.8	Windows (Microsoft Windows 11 build 26200 (x86_64))	x86 (x86_64)	Windows: my_win_freopen() omits FILE_APPEND_DATA, so two mysqld instances overwrite each other's error log
120417	2026-05-08 6:22	2026-10-07 12:26	MySQL Server: InnoDB storage engine	Open	S3	8.0.40	Linux	x86	MY-013028] [InnoDB] MySQL is freeing a thd though trx->n_mysql_tables_in_use is X and trx->mysql_n_tables_locked is Y
121444	2026-10-07 5:00	2026-10-07 5:00	MySQL Server: InnoDB storage engine	Open	S2	26.7.0	Any	Any	Composite self-referencing FOREIGN KEY not enforced: a dangling row with both key columns set is accepted
80478	2016-02-23 12:52	2026-10-06 15:36	MySQL Server: Replication	Documenting (23 days)	S3	5.7.11	CentOS	Any	Replication is failing as CASCADE clause is not working as expected in 5.7
91236	2018-06-13 12:47	2026-10-06 13:07	MySQL Server: Errors	Patch approved (150 days)	S3	8.0.11	Any	Any	Bug 89313 patch
121438	2026-10-06 12:05	2026-10-06 12:05	MySQL Server: Foreign Keys	Open	S2	26.7.0 MySQL Community Server	Any	Any	Foreign key not enforced when the index used for the check contains a NULL in a non-FK column
97836	2019-11-30 12:54	2026-10-06 11:51	MySQL Server: Group Replication	Documenting (23 days)	S2	8.0.18	Linux (CentOS Linux release 7.6.1810)	Any (Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz)	In group replication foreign key will break slave aplier
121030	2026-07-29 21:55	2026-10-05 14:48	MySQL Server: Data Dictionary	Documenting (90 days)	S2	8.0.42+ and 8.4.5+	Any	Any	Upgrade fails with MY-013135 on tables with CHECK constraints/generated columns/partitions
121430	2026-10-04 0:02	2026-10-05 8:55	MySQL Server: Optimizer	Verified (24 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Any	Any	ORDER BY on a 64-member SET column sorts values containing member 64 as negative
121429	2026-10-03 23:57	2026-10-05 8:48	MySQL Server: Optimizer	Verified (24 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Any	Any	Row with BIGINT 2^53+1 is in neither IN (subquery) nor NOT IN when compared to a DOUBLE
121348	2026-09-22 7:29	2026-10-05 8:48	MySQL Server: Replication	Documenting (31 days)	S2	MySQL 8.4 branch, commit `99960bf74fa919	Any	Any	Concurrent first enable and disable can lose the requested binlog_encryption OFF state
121426	2026-10-02 15:38	2026-10-05 8:43	MySQL Server: JSON	Verified (24 days)	S2	9.7.2, 26.07	Windows (Windows 11)	Any (x86_64)	JSON Duality View INSERT silently drops a nested child row on secondary UNIQUE conflict
121424	2026-10-02 11:25	2026-10-05 8:39	MySQL Server: DML	Verified (24 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Any	Any	WITH LOCAL CHECK option on a join view ignores its own ON condition
121419	2026-10-01 18:25	2026-10-05 8:34	MySQL Server: Optimizer	Verified (24 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Linux	Any	`IN (SELECT NULL WHERE tautology) IS TRUE` returns NULL instead of 0
121423	2026-10-02 10:58	2026-10-05 7:13	MySQL Server: DML	Verified (24 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Any	Any	BEFORE INSERT trigger causes ER_BAD_NULL_ERROR on NOT NULL generated column
121422	2026-10-02 8:29	2026-10-05 7:03	MySQL Workbench: SQL Editor	Verified (24 days)	S2	26.7.1	Any	Any	Workbench 26.7.1 reverses Ctrl+Enter / Ctrl+Shift+Enter shortcuts, creating risk of unintended script execution
121428	2026-10-03 22:50	2026-10-05 7:02	MySQL Workbench: SQL Editor	Verified (24 days)	S2	MySQL Workbench 26.7.0	Windows	Any	SQL Editor executes the next statement when selection includes whitespace after the semicolon
121421	2026-10-02 4:08	2026-10-05 7:02	MySQL Server: Optimizer	Verified (24 days)	S3	8.0.46, 8.4.11, 9.7.2, 26.07	Windows ( x86_64)	Any	Possible incorrect error under derived condition pushdown with NULL and DATE predicates
81045	2016-04-12 9:55	2026-10-04 20:45	MySQL Server	Verified (3852 days)	S1	5.6	Debian (Jessie)	Any	Debian packages broken (mysql-common and libmysqlclient18) in mysql 5.6
83046	2016-09-20 7:16	2026-10-04 20:45	MySQL Package Repos	Verified (3674 days)	S3		Ubuntu (16.04 LTS)	Any	Unable to install mysql-server-5.6 from official MySQL APT Repo
85203	2017-02-27 11:29	2026-10-04 20:45	MySQL Package Repos	Verified (3531 days)	S3	0.8.2	Debian (any)	Any	mysql-apt-config can't be installed when pgp.mit.edu is unavailable/unreachable
87166	2017-07-22 7:25	2026-10-04 20:45	MySQL Package Repos	Verified (3384 days)	S3		Debian	Any	mysql.list written by mysql-apt-config is incompatible with Debian Stretch
87943	2017-10-02 14:06	2026-10-04 20:45	MySQL Package Repos	Verified (3313 days)	S2	5.7.19	Any (docker image)	Any	non default bin-log location in mysql enterprise docker image is not considered
106534	2022-02-22 4:52	2026-10-04 20:45	MySQL Server: Docker Image	Verified (1710 days)	S3	8.0	Any	ARM	Missing arm64 manifest for mysql/mysql-server:8.0 docker hub tag
121414	2026-10-01 9:15	2026-10-03 18:30	MySQL Workbench	Open	S2	26.7.0	Windows (64bit)	Any	my database connection is not opening in sql editor
119533	2025-12-10 12:51	2026-10-02 23:31	Connector / Python	Verified (27 days)	S3	9.3.0	Any	Any	Python mysql-connector templating crashes on weird inputs
119315	2025-11-06 8:04	2026-10-02 23:21	Connector / Python	Verified (27 days)	S3	9.0.0~9.5.0	Any	Any	mysql.connector.aio TypeError when connecting to MySQL without explicit SSL config (even if server requires SSL)
116472	2024-10-24 16:12	2026-10-02 21:03	MySQL Server: Install Configuration Tool	Verified (658 days)	S3		Any	Any	Inconsistencies is data directory case, cause failures on case sensitive file sy
121199	2026-09-01 22:54	2026-10-02 20:58	MySQL Server: Install Configuration Tool	Verified (27 days)	S2	8.4.11	Windows (Microsoft Windows Server 2022 Datacenter (10.0.20348) (en-US))	Any	Windows MySQL Configurator - Unable to select valid my.ini
95734	2019-06-11 11:54	2026-10-02 16:57	MySQL Server: Stored Routines	Verified (27 days)	S3	8.0.16, 5.7.26	Any	Any	Failing SET statement in a stored procedure changes variables
118863	2025-08-20 14:23	2026-10-02 14:48	MySQL Server: Optimizer	Patch pending (434 days)	S2	8.4.x, 8.4.6	Any	Any	Complex collection query incorrectly missing '0'
121393	2026-09-29 8:03	2026-10-02 10:58	MySQL Server: GIS	Verified (27 days)	S3	8.0.46, 8.4.11, 9.7.2, 26.07	Any	Any	Trigger prevents GEOMETRY NOT NULL guard from working
121235	2026-09-04 21:26	2026-10-01 20:48	Connector / Python	In progress (28 days)	S2	9.2.0, 9.7.0, 26.7.0	MacOS (also reproduces on Linux)	Any	mysql-connector-python mis-splits statements containing the word “delimiter”
91594	2018-07-10 15:35	2026-10-01 16:20	MySQL Server: Optimizer	Verified	S3	8	Any	Any	Inconsistent rounding of fraction decimals in TIME, DATETIME/TIMESTAMP constant
119276	2025-10-31 6:05	2026-10-01 14:48	MySQL Server: InnoDB storage engine	Documenting (85 days)	S3	8.0.44	Any	Any	ALTER TABLE ANALYZE PARTITION statement causes incorrect results in the mysql.table_table_stats
53341	2010-05-01 10:52	2026-10-01 10:18	MySQL Server: General	Verified (6024 days)	S3	5.0+, 8.0	Any	Any	No way to find out the current transaction's isolation level
121411	2026-09-30 17:42	2026-10-01 5:09	MySQL Server: Optimizer	Verified (28 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Linux	Any	Wrapping SUM(j) in CASE WHEN TRUE drops three rows from a DISTINCT ROLLUP query with a window function
121403	2026-09-30 5:56	2026-10-01 5:04	MySQL Server: Optimizer	Verified (28 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Linux	Any	sql_buffer_result=ON causes a CASE-wrapped IN subquery to return an extra row
121378	2026-09-28 7:54	2026-10-01 5:02	MySQL Server: Optimizer	Verified (28 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Linux	Any	CASE WHEN TRUE changes the result of an identical WHERE predicate after SET NAMES binary
116346	2024-10-13 0:37	2026-09-30 18:29	Shell VSCode Extension	Verified (745 days)	S3	1.16.4	Windows	Any	selecting from table with datetime or timestamp does not show time portion
121314	2026-09-18 10:03	2026-09-30 14:48	MySQL Server: Replication	Documenting (38 days)	S2	8.0.40/5.7.44	Any	Any	MTS recovery silently skips transactions, leaving holes in gtid_executed
121408	2026-09-30 12:26	2026-09-30 12:26	MySQL Server: Windows	Open	S2		Any	Any	MySQL Workbench crashes when attempting to open a database connection
121406	2026-09-30 10:18	2026-09-30 10:18	MySQL Server: Replication	Open	S3	8.0.x, 8.4.x	Any	Any	Error message after stop semi sync replication
121398	2026-09-29 17:27	2026-09-30 8:45	MySQL Server: Optimizer	Verified (29 days)	S2	26.10.0	Linux	Any	UNION loses a distinct DATE value after changing sql_mode on a partitioned table
121402	2026-09-30 3:07	2026-09-30 8:42	MySQL Server: Optimizer	Verified (29 days)	S3	8.0.46	Ubuntu (Ubuntu 22.04)	Any	NOT EXISTS subquery with tautological OR condition ignores NULL semantics
121401	2026-09-30 2:15	2026-09-30 7:30	MySQL Server: Optimizer	Verified (29 days)	S5	8.0.46, 8.4.11, 9.7.2, 26.07	Ubuntu (22.04.4 LTS)	x86 (Intel(R) Xeon(R) Gold 5220 CPU @ 2.20GHz)	Join-order enumeration and final AccessPath disagree on equality-derived filter cost, causing ~230x slowdown
121399	2026-09-29 18:04	2026-09-30 7:26	MySQL Server: Optimizer	Verified (29 days)	S2	9.7.2, 26.07	Linux	Any	subquery_to_derived=on incorrectly filters rows for ALL over an empty subquery inside CASE
121395	2026-09-29 9:54	2026-09-30 7:16	MySQL Server: Optimizer	Verified (29 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Linux	Any	BIGINT UNSIGNED column incorrectly matches a negative value in an IN (...) list when that value is derived from a non-co
121394	2026-09-29 8:27	2026-09-30 7:12	MySQL Server: DML	Verified (29 days)	S2	8.4.11, 9.7.2, 26.10.0-er	Any	Any	Buffered multi table update stores NULL instead of DEFAULT when asked for DEFAULT
121392	2026-09-29 8:00	2026-09-30 6:35	MySQL Server: Optimizer	Verified (29 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Linux	Any	SELECT DISTINCT with a COLLATE-qualified WHERE predicate incorrectly drops matching rows when the optimizer uses an inde
121391	2026-09-29 7:50	2026-09-30 6:28	MySQL Server: GIS	Verified (29 days)	S3	8.0.46, 8.4.11, 9.7.2, 26.07	Any	Any	UPDATE IGNORE set geometry DEFAULT fails after DROP DEFAULT where INSERT IGNORE stores NULL
121293	2026-09-16 8:32	2026-09-30 2:48	MySQL Server: Group Replication	Documenting (38 days)	S3	26.7.0, 9.7.2	Any	Any	Member-action UDF truncates identifiers at embedded NUL bytes
121400	2026-09-30 2:01	2026-09-30 2:14	MySQL Server: Partitions	Open (29 days)	S2	8.0.24, 9.4	Any	Any	Wrong result after extended secondary-index lookup on a partitioned InnoDB table
69260	2013-05-16 23:22	2026-09-30 0:07	Connector / NET	Verified (29 days)	S5	6.6.5	Windows (Windows 7, MySQL Server 5.6, ASP.Net 4)	Any	MySqlDataAdapter.Update runs very slow
74196	2014-10-02 16:37	2026-09-29 22:50	Connector / NET	Verified (30 days)	S3	6.9.2	Windows	Any	Extraneous / unnecessary column output in derived tables (i.e. `Filter1`, etc.)
71673	2014-02-11 20:58	2026-09-29 22:47	Connector / NET	Verified (30 days)	S3	6.8.3	Any	Any	DropProcedureOperation and AlterProcedureOperation are not implemented
74135	2014-09-29 12:59	2026-09-29 22:35	Connector / NET	Verified (30 days)	S3		Windows	Any	MySqlScript does not have a CommandTimeout property
67543	2012-11-09 20:00	2026-09-29 20:00	Connector / NET	Verified (30 days)	S3	6.5.4	Windows	Any	Object reference not set to an instance of an object in get_ServerThread()
121043	2026-07-30 19:53	2026-09-29 19:55	Connector / NET	Verified (30 days)	S2	MySql.EntityFrameworkCore 10.0.7	Any	Any	EF Core 10 idempotent migration script contains invalid MySQL syntax
85215	2017-02-28 3:25	2026-09-29 19:22	Connector / NET	Verified (30 days)	S2	6.9.9 and below	Windows	Any	Broken connection will be enqueued into the idle pool which may cause problems
86043	2017-04-22 2:23	2026-09-29 18:08	Connector / NET	Verified (30 days)	S1	6.8.8	Any	Any	Can't use BigInt or Double as userId instead of Int32 (default)
121234	2026-09-04 19:53	2026-09-29 16:43	Shell Dump & Load	Verified (30 days)	S3	8.4.10	Any	Any	Util.dumpTables: Thread stack overrun when list of tables to dump is too long
121387	2026-09-28 14:46	2026-09-29 15:30	MySQL Server: Replication	Documenting (30 days)	S3		Any	Any	Contribution: Bug#121063 Members of one group assign different GNOs to the ...
121063	2026-08-07 1:37	2026-09-29 14:48	MySQL Server: Group Replication	Documenting (56 days)	S1	MySQL 8.4.8 - 8.4.11	Any	Any	Members of one Group Replication group assign different GNOs to the same transaction
121379	2026-09-28 8:25	2026-09-29 11:21	MySQL Server: Optimizer	Verified (30 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Linux	Any	Identical UNION operands return different values when counting an EXCEPT ALL CTE
121377	2026-09-28 7:07	2026-09-29 10:30	MySQL Server: Optimizer	Verified (30 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Linux	Any	LIKE with an equivalent computed numeric pattern returns inconsistent results under utf16_unicode_ci
121390	2026-09-29 7:32	2026-09-29 7:32	MySQL Server: Data Dictionary	Open	S3	8.4.11, 9.7.2, 26.10.0-er	Any	Any	View column metadata shows default NULL together with DEFAULT_GENERATED for TEXT expression
121125	2026-08-19 9:36	2026-09-29 5:54	MySQL Server	Open (30 days)	S1	8.0.38	Windows (Windows 11)	x86	Mysql gets corrupted whenever the windows system gets restarted
121389	2026-09-29 1:05	2026-09-29 5:28	MySQL Server: Optimizer	Verified (30 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.07	Any	Any	COUNT(DISTINCT) returns a wrong (too small) result on a partitioned table when loose index scan is chosen
121375	2026-09-27 21:47	2026-09-28 20:48	MySQL Workbench: SQL Editor	Documenting (31 days)	S2	26.7.0 / 26.7.1	Windows	Any	SQL editor hangs on "Starting editor session..." when server sql_mode includes ANSI_QUOTES
119689	2026-01-15 14:51	2026-09-28 16:36	MySQL Workbench	Verified (31 days)	S3	26.7.0	Linux (Ubuntu)	x86	SSH Tunnels do not support usernames which include "@"
121306	2026-09-17 10:07	2026-09-28 16:23	MySQL Workbench	Verified (31 days)	S3	26.7.0	MacOS (27.0)	ARM	Object Info missing
116754	2024-11-22 11:20	2026-09-28 14:48	MySQL Server: Data Dictionary	Documenting (703 days)	S3	8.0	Any	Any	Memory leak when migrate trigger during upgrade from 57 to 80
116750	2024-11-21 21:21	2026-09-28 14:48	MySQL Server: Data Dictionary	Documenting (703 days)	S3	8.0.40	Any	Any	Not all errors were thrown during the upgrade from 5.7 to 8.0
116751	2024-11-21 21:43	2026-09-28 14:48	MySQL Server: Data Dictionary	Documenting (703 days)	S3	8.0.40	Any	Any	Incomplete error of event/trigger during upgrade from 5.7 to 8.0
121262	2026-09-10 8:06	2026-09-28 12:47	MySQL Server: Foreign Keys	Verified (31 days)	S2	9.7.2	Ubuntu	Any	SET SESSION foreign_key_checks = DEFAULT incorrectly sets the session value to 0
117299	2025-01-27 11:48	2026-09-28 12:28	MySQL Server: Compiling	Verified (31 days)	S3	8.4.9, 26.10.0-er	MacOS (15.2)	ARM	ddl0bulk.h:236:15: error: parameter 'prebuilt' not found in the function declaration [-Werror,-Wdocumentation]
121386	2026-09-28 12:19	2026-09-28 12:19	MySQL Server: Compiling	Open	S3	26.10.0-er	MacOS (27.0)	ARM	"no matching constructor for initialization of 'MutexLock' (aka 'testing::internal::GTestMutexLock')"
121382	2026-09-28 9:23	2026-09-28 9:51	MySQL Server: Replication	Open (31 days)	S3	8.4.11	Any	Any	Fix for Bug#39254896 rejects legitimate Heartbeat events when the receiver's cached Format_description_event is older/na
121383	2026-09-28 9:29	2026-09-28 9:29	MySQL Server: Replication	Open	S3	8.4.11	Any	Any	get_event_type_as_string() reports "Unknown" instead of "Heartbeat" for HEARTBEAT_LOG_EVENT_V2 events
121374	2026-09-27 18:59	2026-09-28 5:07	MySQL Server: Optimizer	Verified (31 days)	S2	8.0.46, 8.4.11, 9.7.2	Any	Any	Queries using a JSON array index silently return incomplete results in joins (realworld bug)
120980	2026-07-23 2:09	2026-09-28 1:45	MySQL Server: DML	Verified (31 days)	S3	8.0.46	Any	Any	DATE column vs INTEGER column comparison returns different results with column reference vs literal value
118594	2025-07-07 14:16	2026-09-27 14:48	MySQL Server: InnoDB storage engine	Documenting (479 days)	S2	8.0.42	Any	Any	In-place ALTER TABLE ... ADD FOREIGN KEY can sometimes fails with unwarranted error or even crashes
121368	2026-09-24 8:43	2026-09-24 11:00	MySQL Server: GIS	Verified (35 days)	S3	8.4.11, 9.7.2, 26.7.0	Any	Any	Possible to store an empty value into a non-NULL GEOMETRY column
121229	2026-09-04 8:21	2026-09-24 9:54	MySQL Server: Information schema	Open	S3	26.7	Any	Any	Outdated help contents
121251	2026-09-09 19:32	2026-09-24 9:52	MySQL Server: Compiling	Open	S3		Any	Any	Contribution: Add feature_contribution.yaml ISSUE_TEMPLATE
121291	2026-09-16 7:46	2026-09-24 9:33	MySQL Server: Optimizer	Verified (35 days)	S3	9.7.2, 26.07	Any	Any	EXPLAIN FORMAT=JSON v2 omits access_type for LooseScan/FirstMatch nodes
121360	2026-09-23 10:51	2026-09-24 8:27	MySQL Server: DML	Verified (35 days)	S3	8.4.11, 9.7.2, 26.7.0	Any	Any	No-op UPDATE assigning NULL to an already-NULL executes update, firing triggers etc
121266	2026-09-11 3:29	2026-09-24 6:54	MySQL Server: Optimizer	Verified (35 days)	S5	8.0.46, 8.4.11, 9.7.2	Ubuntu (22.04.4 LTS)	x86 (Intel(R) Xeon(R) Gold 5220 CPU @ 2.20GHz)	Optimizer misses cheaper join order when range predicate is only available through join equality
121364	2026-09-24 6:32	2026-09-24 6:44	MySQL Server: Options	Open	S2	MySQL 8.4 branch, commit `99960bf74fa919	Linux	x86	RESET PERSIST reports success after a disk-write failure and leaves stale configuration on disk
121363	2026-09-24 6:31	2026-09-24 6:42	MySQL Server: Security: Privileges	Open	S2	MySQL 8.4 branch, commit `99960bf74fa919	Linux	x86	Generated account passwords become predictable when RAND_bytes() fails
121126	2026-08-19 11:43	2026-09-24 5:39	MySQL Server: Optimizer	Verified (35 days)	S3	8.4.10	Any	Any	Prepared Cast Unsigned Parameter Truncation
121358	2026-09-23 7:46	2026-09-23 10:29	MySQL Server: Optimizer	Verified (36 days)	S2	9.7.2	Ubuntu	Any	Prepared statement does not reflect updated group_concat_max_len during execution
121352	2026-09-22 17:01	2026-09-23 10:12	MySQL Server: Documentation	Verified (36 days)	S2	8.0.46, 9.4.11, 9.7.2	Ubuntu	Any	Prepared statement returns an unexpected WEEK() result after changing default_week_format
121231	2026-09-04 14:57	2026-09-23 7:16	MySQL Server	Open (36 days)	S2	9.7.2	Any	Any	Prepared statement uses stale div_precision_increment value after SESSION variable change
121336	2026-09-21 10:42	2026-09-23 6:51	MySQL Server: Optimizer	Verified (36 days)	S2	8.0.46, 8.4.11, 9.7.2	Ubuntu (24.04)	x86	SQL_BUFFER_RESULT causes aggregate row failing HAVING predicate to be returned
121355	2026-09-23 2:56	2026-09-23 3:44	MySQL Server: FULLTEXT search	Open (36 days)	S2	8.0.46	Any	Any	DROP FULLTEXT INDEX can crash when INFORMATION_SCHEMA.INNODB_TABLES concurrently opens InnoDB FTS auxiliary table
121349	2026-09-22 7:48	2026-09-22 8:46	MySQL Server: Connection Handling	Open	S3	MySQL 8.4 branch, commit `99960bf74fa919	Any	Any	mysql_native_password once-per-start warning uses a non-atomic claim sequence
121341	2026-09-21 14:34	2026-09-22 6:35	MySQL Server: Security: Encryption	Open	S1	MySQL 8.4 branch, commit `99960bf74fa919	Any	Any	Concurrent authentication_policy update can free the plugin name used by a handshake
121326	2026-09-20 20:03	2026-09-21 12:29	MySQL Server: Optimizer	Verified (38 days)	S2	8.0.46, 8.4.11, 9.7.2	Any	Any	YEAR column compared to a non-integral constant returns and drops wrong rows
121328	2026-09-21 2:41	2026-09-21 12:26	MySQL Server: Optimizer	Verified (38 days)	S3	8.0.46, 8.4.11, 9.7.2	Any	Any	`LAST_INSERT_ID(expr)` returns different results when the same non-NULL `LONGTEXT` value is passed directly or through a
121331	2026-09-21 5:05	2026-09-21 9:29	MySQL Server: Optimizer	Verified (38 days)	S3	8.4.12, 9.7.3, 26.7.1	Linux	Any	Optimizer discards the chosen range access and falls back to a table scan for antijoin / LEFT JOIN queries
121325	2026-09-20 20:01	2026-09-21 8:46	MySQL Server: Optimizer	Verified (38 days)	S2	8.0.46, 8.4.11, 9.7.2, 26.10.0	Any	Any	MIN()/MAX() with BETWEEN and a non-integral bound returns NULL while rows match
121323	2026-09-20 13:59	2026-09-21 8:39	MySQL Server: Optimizer	Verified (38 days)	S2	8.0.46, 8.4.11, 9.7.2	Linux	Any	UNION truncates the result of REPLACE() when the replacement increases string length
121332	2026-09-21 7:54	2026-09-21 8:34	MySQL Server: Options	Open (38 days)	S3	8.4.11	Any	Any	Empty --datadir= value not handled by the Bug#39181231 fix, asserting mysqld in debug builds
121322	2026-09-20 13:42	2026-09-21 8:21	MySQL Server: Optimizer	Verified (38 days)	S2	8.0.46, 8.4.11, 9.7.2	Linux	Any	GROUP_CONCAT() returns incorrectly ordered results with a leading constant ORDER BY item
120972	2026-07-21 13:42	2026-09-21 7:02	MySQL Server: Optimizer	Verified (99 days)	S2	8.0.46, 8.4.10, 9.7.1	Any	Any	Redundant outer DISTINCT creates a second temporary-table deduplication above EXCEPT in MySQL
121302	2026-09-17 6:34	2026-09-20 2:31	MySQL Server: Information schema	Open (39 days)	S1	8.4.11;8.0.46;8.0.44;8.0.36	Any	x86	Server hangs: INSTALL PLUGIN (I_S plugin) re-locks LOCK_plugin via DD attachable transaction
121321	2026-09-19 18:59	2026-09-19 18:59	MySQL Server: Memory storage engine	Open	S2	26.10.0 (trunk), 9.7.2 (LTS), 8.4.11 (LT	Any	Any	ERROR 1062 '<group_key>' on DISTINCT over a DOUBLE column containing both -0e0 and 0e0
121320	2026-09-19 15:09	2026-09-19 15:09	MySQL Cluster: Cluster (NDB) storage engine	Open	S3	26.7.1-cluster	Ubuntu (24.04)	Any	Cluster failure on NDB cluster
121312	2026-09-18 2:56	2026-09-18 8:00	MySQL Server: Optimizer	Verified (41 days)	S3	9.7.2	Any	Any	`DISTINCTROW` causes `REPEAT()` with a scalar subquery to return an incorrectly duplicated value.
121313	2026-09-18 5:38	2026-09-18 7:59	MySQL Server: Optimizer	Verified (41 days)	S3	9.7.2	Any	Any	REPLACE() Produces Different Results Depending on Whether GROUP BY Is Applied
121311	2026-09-18 2:48	2026-09-18 7:50	MySQL Server: Data Types	Verified (41 days)	S3	26.7.0	MacOS (15.6.1)	ARM (Apple Silicon)	Inconsistent handling of FLOAT ZEROFILL in UPPER() and CHARACTER_LENGTH()
121298	2026-09-16 16:02	2026-09-18 7:18	MySQL Server: FULLTEXT search	Verified (42 days)	S2	9.6.0	Any	Any	MATCH() AGAINST() returns incorrect (near-random) relevance scores when wrapped in a CASE expression combined with DISTI
121309	2026-09-18 0:15	2026-09-18 0:25	MySQL Server: Installing	Open (41 days)	S3	26.7	Any	Any	Hard to copy & print End-User License Agreement when installing with mysql-26.7.0-win64.msi
121307	2026-09-17 11:06	2026-09-17 11:06	MySQL Server: DDL	Open	S3	8.4.11, 9.7.2, 26.7.0	Any	Any	CTAS through temp table VIEW resets TIMESTAMP DEFAULT
121294	2026-09-16 10:22	2026-09-17 10:48	MySQL Server: Components / Services	Open	S3	9.7.2, 26.7.0	Any	Any	mysql_query_attribute_string accepts numeric argument without diagnostic
121249	2026-09-09 14:28	2026-09-17 9:03	MySQL Server: Optimizer	Verified (49 days)	S2	8.0.46, 8.4.11, 9.7.2	Linux	x86	With sql_buffer_result=ON, IN / quantified (ANY/ALL/SOME) subquery predicates in the SELECT list evaluate to NULL
121295	2026-09-16 13:35	2026-09-17 8:58	MySQL Server: JSON	Verified (42 days)	S3		Any	Any	JSON_ARRAY() returns different JSON types for equivalent TRUE expressions when one expression is a table-referencing sca
121304	2026-09-17 7:51	2026-09-17 8:53	MySQL Server: Optimizer	Verified (42 days)	S2	8.4.10	Any (Docker container)	Any (x86_64)	Incorrect empty result for RIGHT JOIN with always-false EXISTS condition
98050	2019-12-23 8:13	2026-09-17 7:51	MySQL Server: Clone Plugin	Verified (2214 days)	S2	8.0.18	CentOS (7)	x86	Deadlock on LOCK_global_system_variables, LOCK_plugin, LOCK_system_variables_has
121303	2026-09-17 7:37	2026-09-17 7:44	MySQL Server: Optimizer	Verified (42 days)	S3	9.7	Any	Any	IN() returns 1 instead of NULL when no list element matches the left-hand expression and the list contains NULL
121301	2026-09-17 6:12	2026-09-17 7:33	MySQL Server: Optimizer	Verified (42 days)	S3	8.4	MacOS (15.6.1)	ARM (Apple Silicon)	NULLIF() returns different results for a NULL literal and a NULL-valued BIGINT
121300	2026-09-17 2:25	2026-09-17 7:14	MySQL Server: Optimizer	Verified (42 days)	S2	9.7.2	Any	Any	`IN` predicate returns `TRUE` even though every corresponding equality comparison returns `FALSE`
121281	2026-09-14 14:08	2026-09-16 15:06	MySQL Server: Optimizer	Verified (43 days)	S3	8.4.11 - 9.4	Any	Any	Wrong results in multi-join queries due to derived merge
121290	2026-09-16 7:08	2026-09-16 11:23	MySQL Server: DDL	Verified (43 days)	S3	8.4.11, 9.7.2, 26.7.0	Any	Any	CTAS with a JSON expression results in literal NULL default, broken SHOW CREATE TABLE
121292	2026-09-16 8:29	2026-09-16 10:39	MySQL Server: Optimizer	Verified (43 days)	S2	8.4.11 (LTS), 9.7.2, 26.7.0 (current) —	Any (observed on Linux x86_64, Ubuntu 22.04.2 LTS, kernel 5.15.0-187-generic;)	Any (Any (observed on x86))	INTERSECT ALL / EXCEPT ALL lose duplicate counts when the hash set operation spills to disk
83856	2016-11-17 4:19	2026-09-16 7:50	MySQL Server: Optimizer	Verified (3602 days)	S3	5.7.13,5.7.16	CentOS	Any	Index ref not used for multi-column IN - type or collation conversion warning
120326	2026-04-22 19:32	2026-09-15 14:48	MySQL Server: Data Dictionary	In progress (189 days)	S2	8.4	Any	Any	Upgrade fails on partitioned tables due to stale THD error from stored procedure compilation
121267	2026-09-11 13:16	2026-09-15 7:25	MySQL Server: DDL	Open (44 days)	S3	8.4.11, 9.7.2, 26.7.0	Any	Any	CREATE TABLE AS SELECT FROM view drops column default expression in SHOW CREATE TABLE
121284	2026-09-15 6:13	2026-09-15 6:48	MySQL Server: Partitions	Open	S2	MySQL 9.7.2 and 26.7.0	Any (Linux on x86_64)	Any	EXCHANGE PARTITION accepts mismatched functional indexes and causes wrong results
120874	2026-07-06 13:30	2026-09-14 13:14	MySQL Server: Optimizer	Verified (114 days)	S3	8.4.x, 9.7.x	Any	Any	MySQL's INET6_NTOA function is not RFC 5952 complaint
121272	2026-09-12 14:16	2026-09-14 11:39	MySQL Server: Optimizer	Verified (45 days)	S3	8.0.45	MacOS (MacOS 26.5.2, using Homebrew)	ARM	Incorrect ORDER BY when using GROUP BY, GROUP_CONCAT() and COUNT(id) OVER()
107139	2022-04-27 12:30	2026-09-10 9:12	MySQL Server: DDL	Verified (822 days)	S3	8.0	Any	Any	CREATE USER IF NOT EXISTS fails if user is definer of view/trigger for nonroot
121259	2026-09-10 4:05	2026-09-10 4:05	MySQL Server: InnoDB storage engine	Open	S2	8.0.45	Any	Any	Use-after-free in InnoDB virtual column template during FK cascade DELETE
121250	2026-09-09 15:52	2026-09-09 15:54	MySQL Server: InnoDB storage engine	Open	S3	8.0.49, 8.4.12, 9.7.3	Any	Any	Fil_shard::do_io() skips complete_io() on DB_PAGE_IS_STALE after prepare_file_for_io()
120901	2026-07-13 8:53	2026-09-09 15:17	MySQL Server: InnoDB storage engine	Verified (107 days)	S3	8.4.9, 8.4.10	Any	Any	SELECT ... LOCK IN SHARE MODE returns different row sets depending on index choice under RC/RU
121236	2026-09-05 4:57	2026-09-08 9:23	Connector / ODBC	Open (51 days)	S1	26.7.1	Any	x86	TINYINT UNSIGNED values corrupted (negative or 18446744073709551615) when read via SSPS
120237	2026-04-08 17:05	2026-09-08 8:48	MySQL Server: DDL	Documenting (203 days)	S3	9.6 and 8.4	Any	Any	DEFAULT(UUID()) allowed at CREATE TABLE but rejected in ALTER TABLE with binary logging enabled
121246	2026-09-08 3:54	2026-09-08 3:55	MySQL Server: Storage Engines	Open	S2	8.4.11,8.0.46	Any	Any	Contribute by tencent: Fix incomplete TempTable-to-InnoDB fallback for multiply-referenced CTEs
121240	2026-09-07 3:00	2026-09-07 9:15	MySQL Server: Data Types	Verified (52 days)	S3	8.4.11	Linux (Oracle Linux Server 9.8; mysql:8.4.11 Docker image via Docker Desktop on Windows/WSL2)	x86 (x86_64 / amd64)	Scientific-notation strings: integer casts differ from arithmetic conversion
121243	2026-09-07 8:12	2026-09-07 8:12	Connector / ODBC	Open	S2	8.0.33 - 26.7.x	Any (Windows 11 Pro 64bit)	x86 (64bit)	Unicode driver regression: VARCHAR PK with umlaut/accent shows #Deleted in Access linked-table UI (works via code)
121241	2026-09-07 3:28	2026-09-07 3:28	MySQL Server: Documentation	Open	S3	8.4.11、8.4.0	Any	Any	LEAST/GREATEST documentation: overlapping numeric and mixed-string comparison rules
121228	2026-09-03 13:25	2026-09-04 9:08	MySQL Server: FULLTEXT search	Open (55 days)	S2	8,8.4,9	Any	Any	Boolean FTS: "phrase" word* misses rows in FTS cache until OPTIMIZE TABLE
121208	2026-09-02 9:04	2026-09-04 8:53	MySQL Server: Optimizer	Verified (55 days)	S3	8.0.46, 8.4.11, 9.7.2	Any	Any	Materializing a shared `UNION` CTE changes a scalar `ORDER BY ... LIMIT` result
121207	2026-09-02 9:03	2026-09-04 8:43	MySQL Server: Optimizer	Verified (55 days)	S2	8.0.46, 8.4.11, 9.7.2	Any	Any	Materializing an `EXISTS` input changes a `RIGHT JOIN` result
121230	2026-09-04 8:25	2026-09-04 8:25	MySQL Server: Documentation	Open	S3	26.7, 8.4	Any	Any	Storage engine help is broken/useless
121206	2026-09-02 9:01	2026-09-04 7:49	MySQL Server: Optimizer	Verified (55 days)	S2	8.0.46, 8.4.11, 9.7.2	Any	Any	Materializing a computed derived column changes a false `HAVING` result
121213	2026-09-02 15:24	2026-09-04 5:11	MySQL Server: Optimizer	Verified (55 days)	S2	8.0.46, 8.4.11, 9.7.2	Linux	Any	UNIQUE const-table plan evaluates `GROUPING()=1` before ROLLUP and drops the super-aggregate row
101283	2020-10-23 10:13	2026-09-04 3:09	MySQL Server: InnoDB storage engine	Verified (2197 days)	S5	8.0	Any	Any	Is single_scan_itr.start() reasonable?
121226	2026-09-03 7:52	2026-09-03 13:01	MySQL Server: Optimizer	Verified (56 days)	S3	9.7.2	Any	Any	WHERE int_col = CAST(decimal AS DOUBLE) index access stores the rounded key and returns wrong rows (literal path correct
121222	2026-09-03 7:43	2026-09-03 12:31	MySQL Server: Optimizer	Verified (56 days)	S3	9.7.2	Any	Any	GREATEST/LEAST mixed-type aggregation produces illegal packed dates (16383-15-31 and 7 more)
121221	2026-09-03 7:42	2026-09-03 12:27	MySQL Server: Optimizer	Verified (56 days)	S3	9.7.2	Any	Any	BIT column vs BIT literal: comparator path split (column numeric, literal byte-string)
121220	2026-09-03 7:41	2026-09-03 12:22	MySQL Server: Optimizer	Verified (56 days)	S3	9.7.2	Any	Any	One DATE constant in an IN list silently disables all other elements ('abc' IN ('abc', DATE'...') cannot find 'abc')
121219	2026-09-03 7:40	2026-09-03 12:15	MySQL Server: Optimizer	Verified (56 days)	S3	9.7.2	Any	Any	TIME column BETWEEN contradicts its decomposition: both single-sided =1, AND =1, yet BETWEEN =0
121218	2026-09-03 7:36	2026-09-03 12:04	MySQL Server: Optimizer	Verified (56 days)	S3	9.7.2	Any	Any	TIME column vs TIMESTAMP/DATETIME constant: the constant's date part is silently discarded
121216	2026-09-03 7:28	2026-09-03 10:13	MySQL Server: Optimizer	Verified (56 days)	S3	8.4	Any	Any	VARCHAR column vs DATE constant: failed conversion silently acts as a "smallest sentinel"
121214	2026-09-03 7:23	2026-09-03 9:16	MySQL Server: Optimizer	Verified (56 days)	S3	9.7.2	Any	Any	TIME column compared with a >= 10^10 integer constant returns inverted results (column vs literal context semantic split
121193	2026-08-31 11:03	2026-09-02 13:30	MySQL Server: InnoDB storage engine	Open	S2	8.0, 8.4, 26.7.0	Any	Any	Crash during BLOB UPDATE: recovery rollback frees the old, still-referenced LOB
121211	2026-09-02 11:59	2026-09-02 12:03	MySQL Server: Storage Engines	Open	S3	9.7.2	Any	Any	InnoDB INPLACE table rebuild corrupts a spatial index after a scan latch release
114777	2024-04-25 7:09	2026-09-02 10:52	MySQL Cluster: Cluster (NDB) storage engine	Verified (904 days)	S2	8.0.35-cluster MySQL Cluster Community S	Any (20.04)	Any	lost connection in MySQL NDB cluster
119318	2025-11-06 11:28	2026-09-01 23:15	MySQL Server: Data Dictionary	Verified (128 days)	S3	8.4.10	CentOS (CentOS Linux release 7.7.1908 (Core))	x86 (x86_64)	When modifying the system time to a date beyond 2038, MySQL installation reports an error
121198	2026-09-01 22:42	2026-09-01 22:42	MySQL Server: Information schema	Open	S3	8.0.42	Any	Any	SHOW TABLE STATUS repeats the error of an unreadable table in the Comment of all the following tables
121177	2026-08-27 7:59	2026-09-01 12:11	MySQL Server: InnoDB storage engine	Open (58 days)	S2	8.0.45, 8.4.8, 9.6.0	Any	Any	different innodb_ddl_buffer_size for master and slave masy cause duplicated key error
121184	2026-08-28 8:45	2026-09-01 4:59	MySQL Server: Optimizer	Verified (58 days)	S3	8.0.46, 8.4.11, 9.7.2	Any	Any	Adding an unrelated element to a mixed-type temporal IN list flips the match result of other elements
121187	2026-08-29 13:28	2026-09-01 4:53	MySQL Server: Optimizer	Verified (58 days)	S2	8.0.46, 8.4.11, 9.7.2	Any	Any	Materializing a `TIME` expression changes comparison with `DATETIME` literals
121188	2026-08-29 13:30	2026-09-01 4:50	MySQL Server: Optimizer	Verified (58 days)	S2	8.0.46, 8.4.11, 9.7.2	Any	Any	Materializing an `IN` subquery changes a `UNION`/`RIGHT JOIN` result
121192	2026-08-31 8:55	2026-08-31 8:55	Connector / ODBC	Open	S3	8.4.0, 9.7.0, 26.7.1	Windows	Any	Connector/ODBC returns incorrect DATA_TYPE and COLUMN_SIZE for BIT(n) columns
121181	2026-08-28 8:03	2026-08-31 5:41	MySQL Server: Optimizer	Verified (59 days)	S2	8.0.46, 8.4.11, 9.7.2	Any	Any	Temporal BETWEEN returns FALSE instead of NULL when LHS->temporal conversion fails (uninitialized Time_val/Date_val comp
107462	2022-06-02 9:02	2026-08-28 14:48	MySQL Server: Data Dictionary	Patch pending (1610 days)	S1	8.0.29	Any	Any	Failed upgrade attempt to 8.0.29 corrupts the data dictionary
121185	2026-08-28 10:27	2026-08-28 10:27	MySQL Cluster: Cluster (NDB) storage engine	Open	S3	8.4.11	Any	Any	Crash after master node failure
121179	2026-08-27 18:23	2026-08-28 5:01	MySQL Server: Optimizer	Verified (62 days)	S2	8.0.46, 8.4.11, 9.7.2	Any	Any	Framed window functions return wrong results when windowing steps are skipped (const plan, implicit grouping)
112704	2023-10-12 12:19	2026-08-27 23:47	MySQL Server: Optimizer	Verified (329 days)	S2	8.0, 8.4.7	Any	Any	CTE query got internal table doesn't exist error with small tmp_table_size
121180	2026-08-27 23:39	2026-08-27 23:39	Tests: System	Open	S3		Any	Any	Contribution: Codex/ci cd pipeline test
121176	2026-08-26 15:34	2026-08-27 12:24	MySQL Cluster: Cluster (NDB) storage engine	Open (63 days)	S3	8.4.11	Any	Any	Copy scan hangs
121175	2026-08-26 15:31	2026-08-26 15:31	MySQL Cluster: Cluster (NDB) storage engine	Open	S3	8.4.11	Any	Any	Crash or hang due to master node failure during TC takeover
121174	2026-08-26 15:28	2026-08-26 15:28	MySQL Cluster: Cluster (NDB) storage engine	Open	S3	8.4.11	Any	Any	Early crash leads to eternal hang in node fail handling
121171	2026-08-26 2:42	2026-08-26 5:54	MySQL Server: Optimizer	Verified (64 days)	S2	9.7.2, 26.07	Any	Any	Hypergraph optimizer loses the LATERAL dependency of a materialized derived table under ref/index access
121158	2026-08-23 6:41	2026-08-26 3:09	MySQL Server: InnoDB storage engine	Open (64 days)	S1	9.7.1	Any	Any	ALTER COLLATE skips validation of UNIQUE functional index, leaving duplicate keys
121157	2026-08-23 6:37	2026-08-25 9:36	MySQL Server: Optimizer	Verified (65 days)	S1	8.0.46, 8.4.11, 9.7.2	Any	Any	Timezone-dependent generated column breaks UNIQUE and makes table unrestorable
120997	2026-07-23 15:31	2026-08-25 7:29	MySQL Server: Optimizer	Verified (84 days)	S2	8.0.46, 8.4.10, 9.7.1	Ubuntu	Any	Incorrect index lookup range pushdown/coercion for IN (COALESCE(decimal, string)) on integer indexed column violates TLP
121152	2026-08-22 6:09	2026-08-25 6:46	MySQL Server: Optimizer	Verified (65 days)	S3	9.2	Any	Any	CTE merge incorrectly loses the first alias when a BIT column is projected twice with different aliases
121166	2026-08-25 1:41	2026-08-25 1:43	MySQL Server: InnoDB storage engine	Open	S2	8.0.30	Any	Any	concurrent updates make FK ON UPDATE CASCADE miss child rows
112223	2023-08-30 20:44	2026-08-24 13:32	MySQL Server: InnoDB storage engine	Verified (1140 days)	S3	all version	Any	Any	Adaptive Hash Index(AHI) use 1/64 memory, even it never be switch on
121151	2026-08-22 2:15	2026-08-24 4:36	MySQL Server: Documentation	Open (66 days)	S3	8.4.5	Any	Any	InnoDB Locking docs don't qualify the unique-index equality gap-lock guarantee for IN (...) lists
121163	2026-08-23 8:00	2026-08-23 8:58	MySQL Server: Command-line Clients	Open (67 days)	S1	9.7.1	Any	Any	mysqldump discards time_zone and sql_mode, silently changing generated column data
121162	2026-08-23 7:59	2026-08-23 7:59	MySQL Server: Partitions	Open	S1	9.7.1	Any	Any	EXCHANGE PARTITION definition check ignores expressions and CHECK constraints
121002	2026-07-23 17:59	2026-08-22 16:12	Connector / J	Open (68 days)	S3	9.7.0	Any	Any	Time zone detection triggers JDK 25 three-letter zone ID deprecation warning
121147	2026-08-21 4:11	2026-08-21 20:40	MySQL Server: Optimizer	Verified (69 days)	S3	9.7.1	Ubuntu (22.04)	Any	QUOTE() incorrectly treated as null-rejecting in outer joins
121149	2026-08-21 13:17	2026-08-21 20:37	MySQL Server: Optimizer	Verified (69 days)	S2	9.7.1	Any	Any	MySQL temporal implicit conversion changes `TIMEDIFF` predicate results after materialization
121145	2026-08-20 11:33	2026-08-21 6:44	MySQL Server: Optimizer	Verified (69 days)	S3	8.0	Ubuntu (22.04)	Any	COUNT(DISTINCT UUID()) / RAND() returns 1 under implicit grouping
116619	2024-11-11 20:52	2026-08-20 21:13	MySQL Server: Logging	Verified (70 days)	S2	8.0.39, 8.0.40, 8.4.3, 9.1.0	Any	Any	Startup without Signs of Progress with Many Tables (1M+).
121144	2026-08-20 11:08	2026-08-20 11:20	MySQL Server: Performance Schema	Open (70 days)	S2	8.4.4 (Any)	Any	Any	Performance Schema reports ROWS_EXAMINED inside stored programs wrongly as a running total
120971	2026-07-21 9:01	2026-08-20 5:52	MySQL Server: Optimizer	Verified (99 days)	S2	8.0.46, 8.4.10, 9.7.1	Any	Any	Redundant IS NOT NULL on SHA2() expression causes extra evaluation and slower execution
121141	2026-08-20 1:50	2026-08-20 5:26	MySQL Server: Optimizer	Verified (70 days)	S1	8.0.46, 8.4.11, 9.7.2	Any	Any	group skip scan for deduplication collapses each group to one row before a semijoin/antijoin condition on a later index
121114	2026-08-18 10:00	2026-08-19 14:31	MySQL Server: Security: Audit	Open (71 days)	S3	8.4.11	Linux	Any	Audit plugin invoked once per sub-statement for stored routines via prepared statements
121113	2026-08-18 9:22	2026-08-19 14:23	MySQL Server: Optimizer	Verified (71 days)	S3	8.0.46, 8.4.11, 9.7.2	Any	Any	`JSON_QUOTE()` metadata overflow truncates valid output
121112	2026-08-18 9:20	2026-08-19 14:17	MySQL Server: Optimizer	Verified (71 days)	S3	8.0.46, 8.4.11, 9.7.2	Any	Any	Character-set conversion metadata overflow causes silent data loss
121129	2026-08-19 13:44	2026-08-19 13:44	MySQL Utilities: Binlog Events	Open	S3	8.4.0	Any	Any	The binlog event inconsistency error
121111	2026-08-18 9:15	2026-08-19 8:24	MySQL Server: Optimizer	Verified (71 days)	S3	8.0.46, 8.4.11, 9.7.2	Any	Any	Hex Result Metadata Uint32 Wrap
121122	2026-08-19 5:49	2026-08-19 5:55	MySQL Server: Performance Schema	Open	S3	26.7.0	Any	Any	Race in Performance Schema shared memory-stat capacity accounting can underflow size_t and corrupt high/low watermarks
121100	2026-08-16 22:04	2026-08-19 5:22	MySQL Server: Optimizer	Verified (71 days)	S3	8.0.46, 8.4.11, 9.7.2	Linux	ARM	Merged `CAST(col AS CHAR) COLLATE utf8mb4_0900_bin` makes col = UPPER(col) return wrong result
121099	2026-08-16 22:01	2026-08-19 4:53	MySQL Server: Optimizer	Verified (71 days)	S3	8.0.46, 8.4.11, 9.7.2	Linux	ARM	Merged CASE/CAST view + aliased HAVING MIN(col) >= IFNULL(col, col) returns wrong result
121120	2026-08-19 4:50	2026-08-19 4:51	MySQL Server: DDL	Open (71 days)	S3	9.7.2	Any	Any	INPLACE utf8mb3-to-utf8mb4 conversion corrupts unindexed CHAR in REDUNDANT tables
119767	2026-01-24 12:57	2026-08-19 3:06	MySQL Server: Compiling	Verified (71 days)	S2	9.6.0	FreeBSD (15)	x86	MySQL fails to build on FreeBSD
121117	2026-08-18 12:41	2026-08-18 12:41	MySQL Server: Data Dictionary	Open	S1	8.0 all version	Linux	x86	SIGSEGV in rec_convert_dtuple_to_rec_comp during ALTER TABLE ... COALESCE PARTITION on a partitioned InnoDB
121116	2026-08-18 11:25	2026-08-18 11:25	MySQL Server: Partitions	Open	S2	9.7.1	MacOS	ARM	index scan on a subpartitioned table silently omits rows when a secondary index contains a VIRTUAL generated column
121115	2026-08-18 11:00	2026-08-18 11:08	MySQL Server: DDL	Open	S3	9.7.2	Any	Any	Online rebuild can corrupt REDUNDANT CHAR records after utf8mb3-to-utf8mb4 conversion
118296	2025-05-29 2:32	2026-08-18 10:08	MySQL Server: DML	Verified (518 days)	S3	8.0.41	Linux	x86	When join_buffer_size is set to a different value, the query returns different results.
120033	2026-03-11 15:01	2026-08-17 14:48	MySQL Server: Optimizer	Documenting (232 days)	S3	8.4.8	Any	Any	Inconsistent Results with SUBTIME(1, SYSDATE()) in HAVING Clause: UNIQUE Constraint Affects Optimizer Evaluation
121091	2026-08-13 14:00	2026-08-14 11:08	MySQL Server: Optimizer	Verified (76 days)	S2	8.0.46, 8.4.11, 9.7.2	Any	Any	Wrapping a SET column in VIEW/CTE changes `HAVING MAX(set_col) > numeric_literal` semantics
102586	2021-02-12 16:35	2026-08-14 4:16	MySQL Server: Replication	Verified (1113 days)	S1	8.1.0, 8.0.34, 8.0.23, 5.7.33	Any	Any	Foreign Key ON DELETE CASCADE breaks with RBR and multiple-table DELETE.
121085	2026-08-12 21:49	2026-08-13 7:14	MySQL Server: Optimizer	Verified (77 days)	S3	8.0.46,8.4.11, 9.7.2	Linux	ARM	A VIEW whose column is an expression drops a group in query
121084	2026-08-12 20:45	2026-08-13 7:13	MySQL Server: Optimizer	Verified (77 days)	S3	8.0.46,8.4.11, 9.7.2	Linux	ARM	VAR_SAMP() result depends on the query plan
121070	2026-08-11 0:30	2026-08-13 7:11	MySQL Server: Optimizer	Verified (77 days)	S3	8.0.46, 8.4.11, 9.7.2	Linux	ARM	VAR_SAMP (and VAR_POP / STDDEV_SAMP) over BIGINT UNSIGNED values near 2^64 is insertion-order dependent
121082	2026-08-12 20:31	2026-08-13 6:31	MySQL Server: Optimizer	Verified (77 days)	S3	8.0.46, 8.4.11, 9.7.2	Linux	ARM	`x NOT IN (<set-operation subquery>)` drops rows
121083	2026-08-12 20:39	2026-08-13 6:28	MySQL Server: Optimizer	Verified (77 days)	S3	8.0.46,8.4.11, 9.7,2	Linux	ARM	SELECT DISTINCT ... GROUP BY <same list> drops rows
121061	2026-08-06 8:37	2026-08-13 2:36	MySQL Server: InnoDB storage engine	Open (77 days)	S2	9.7, 8.4, 26.7, 8.0.46	Any	Any	InnoDB wrong result for a full-column secondary index on an externally stored field during MVCC lookup
120829	2026-07-01 22:32	2026-08-12 3:40	MySQL Server: Optimizer	Verified (78 days)	S5	8.0.48, 8.4.11	Any	Any	Functional index intermittently unusable under concurrent load: possible_keys=NULL, FORCE INDEX silently ignored
115157	2024-05-29 7:34	2026-08-11 14:48	MySQL Server: InnoDB storage engine	Patch pending (883 days)	S3	mysql-trunk, 8.0	Any	Any	Potential Nullptr Derefence in file `storage\innobase\lob\zlob0update.cc`
117135	2025-01-08 11:54	2026-08-11 12:43	MySQL Server: DDL	Verified (657 days)	S2	8.0	Any	Any	When executing online ddl rebuilt table, concurrent delete operations may cause row_log memory to be read out of bounds.
121065	2026-08-07 9:16	2026-08-11 12:42	MySQL Server: InnoDB storage engine	Open	S1	8.4.10, 8.0.45, 5.7.39	Linux	x86	mysqld crashes with signal 11 while OPTIMIZE and concurrent DML on the same table
121071	2026-08-11 3:56	2026-08-11 5:58	MySQL Server: Command-line Clients	Open (79 days)	S3	9.7.1	Linux (AlmaLinux 9.2)	x86 (x86_64)	mysql_tzinfo_to_sql drops TZif future DST rules after 2037
120838	2026-07-02 15:28	2026-08-10 18:00	MySQL Server: Optimizer	Verified (80 days)	S2	9.6.0	Ubuntu	Any	Wrong result with CTE, UNION, BIT column and NOT IN subquery containing NULL
121019	2026-07-28 6:04	2026-08-10 5:53	MySQL Server: Optimizer	Verified (80 days)	S2	8.0.46, 8.4.10, 9.7.1	MacOS	ARM	subquery_to_derived + semijoin=off produces wrong WHERE-clause EXISTS results with LIMIT (dual boundary interaction, sil
121066	2026-08-07 12:41	2026-08-10 5:48	MySQL Server: Command-line Clients	Open	S3	8.4.4 (Any)	Any	Any	comment entry is not working with DELIMITER in mysql client via cli command
121068	2026-08-07 22:26	2026-08-10 5:21	MySQL Server: Optimizer	Verified (80 days)	S3	8.0.46, 8.4.11, 9.7.2	Ubuntu	ARM	NO_BACKSLASH_ESCAPES + UNION + escaped apostrophe raises error
26033	2007-02-02 0:53	2026-08-09 20:45	MySQL Server: Installing	Verified (4868 days)	S3	5.0.24a-Debian_9-log (Ubuntu .deb Pkg)	Linux (Ubuntu Linux 6.10 64-bit)	Any	Cannot use directories that contain spaces in my.cnf
28516	2007-05-18 12:58	2026-08-09 20:45	MySQL Server: General	Verified (6903 days)	S3	5.0.41	Solaris	Any	64-bit version fails to bind a tcp socket if bind-address is the hostname
34748	2008-02-21 20:29	2026-08-09 20:45	MySQL Server: Compiling	Verified (6824 days)	S3	5.1	Windows	Any	Windows executable files are missing a Version Resource
43918	2009-03-27 17:45	2026-08-09 20:45	MySQL Server: Security: Privileges	Verified (6387 days)	S3	5.1.31sp1	Any	Any	Generated version string is too long for the binlog
44742	2009-05-08 8:49	2026-08-09 20:45	Tools: Pushbuild	Verified (6383 days)	S3	PB2	Any	Any	PB2 missing links
50837	2010-02-02 14:24	2026-08-09 20:45	MySQL Server: Compiling	Verified (6113 days)	S2	5.1.43	Windows (XP with MinGW32)	Any	mysql_config.pl returns incorrect cflags
53129	2010-04-23 20:58	2026-08-09 20:45	MySQL Server: Installing	Verified (6032 days)	S3	5.1.46	Any	Any	mysqld_multi defaults to logging to /usr/share
56522	2010-09-02 22:47	2026-08-09 20:45	MySQL Server: Compiling	Verified (5868 days)	S1	5.5-bugfixing	Any	Any	Compiler warnings in mysys/lf_hash.c
58568	2010-11-29 20:36	2026-08-09 20:45	MySQL Server: Compiling	Verified (5812 days)	S3	5.5+	Any	Any	CMake does not prevent incompatible DEFAULT_CHARSET/DEFAULT_COLLATION settings
62627	2011-10-05 3:20	2026-08-09 20:45	MySQL Server: Compiling	Verified (5292 days)	S3	5.5.16	Windows (cygwin 1.7 (XP 64 bit))	Any	mysql-5.5.16 fails to build (only client tested) on cygwin 1.7
119795	2026-01-27 18:01	2026-08-09 20:45	MySQL Operator	Documenting (267 days)	S3		Any	Any	Contribution: Add resources configuration for operator pods
119997	2026-03-06 13:12	2026-08-09 20:45	MySQL Server: InnoDB storage engine	Open (224 days)	S3	8.0.40	Any	Any	Setting innodb_use_native_aio to OFF can lead to severe lock contention.
114053	2024-02-19 18:42	2026-08-06 15:22	MySQL Server: InnoDB storage engine	Verified	S3	8.0	Any	Any	Rollback of transactions during startup shouldn't delay opening for public
121062	2026-08-06 14:41	2026-08-06 14:50	MySQL Server: Prepared statements	Open (84 days)	S3	8.0.33	Any	Any	Prepared statement with USING variables returns empty result against DATE + TIME columns
120900	2026-07-13 8:03	2026-08-06 14:48	MySQL Server: Optimizer	Patch pending (87 days)	S2	8.0.46, 8.4.10, 9.7.1	Any	Any	Redundant OR FALSE Predicate Causes a Much Slower Plan
120917	2026-07-14 10:34	2026-08-06 14:48	MySQL Server: Optimizer	Patch pending (106 days)	S3	9.5.0	Any	Any	Adding OR FALSE to an IN-subquery predicate changes the query result
110071	2023-02-15 6:41	2026-08-06 13:20	MySQL Server: Row Based Replication ( RBR )	Verified (1352 days)	S2	Any, 5.7, 8.0	Any	Any	Foreign Key should not be added to Writeset-based Dependency Tracking.
120985	2026-07-23 10:39	2026-08-06 12:46	MySQL Server: Optimizer	Verified (84 days)	S2	9.6.0,9.7.0	Ubuntu	Any	ENUM comparison with a CHAR() binary-string expression changes after CREATE TABLE AS SELECT materialization
119677	2026-01-14 9:08	2026-08-06 8:54	MySQL Server: Documentation	Verified (84 days)	S3	8.4, 9.5	Any	Any	Session Tracking example doesn't work
120987	2026-07-23 12:16	2026-08-06 7:44	MySQL Server: Optimizer	Verified (84 days)	S2	8.0.46, 8.4.10, 9.7.1	Ubuntu	Any	Inconsistent boolean evaluation of LEAST(TIME, VARCHAR) between dynamic calculation and CTAS materialized column
121051	2026-08-04 6:20	2026-08-06 7:41	MySQL Server: Packaging	Open (86 days)	S2	26.7.0, 9.7.2	Fedora (Fedora 44)	Any	Package dependency issues on Fedora 44
113126	2023-11-17 18:54	2026-08-06 5:14	MySQL Server: Compiling	Analyzing (1074 days)	S3		Any	Any	Contribution: libmysql: workaround missing res_n* functions on e.g. musl
121041	2026-07-30 9:21	2026-08-06 4:29	MySQL Server: Optimizer	Verified (84 days)	S5	8.0.46, 8.4.11, 9.7.2	Linux	x86	JOIN a table with a condition that does not belong to it
121059	2026-08-06 1:47	2026-08-06 1:47	MySQL Server: Packaging	Open	S3	9.7.2	Ubuntu (22.04)	Any	MySQL 9.7.2 debuild fails because of embedded -DMRS_JIT_EXECUTOR_LIB= build host path
120362	2026-04-28 6:13	2026-08-05 21:33	MySQL Server: Documentation	Verified (184 days)	S2	9.7.0	Any	Any	Incorrect syntax for CREATE VIEW in docs
118168	2025-05-12 12:27	2026-08-05 15:38	MySQL Server: Replication	Verified (85 days)	S1	8.4.10	Any	Any	MySQL data dictionary fails to upgrade at startup with lock timeout on ALTER TABLE
121058	2026-08-05 12:33	2026-08-05 13:11	MySQL Server: InnoDB storage engine	Open (85 days)	S3	9.7.2	Any	Any	KILL QUERY during an in-place ALTER TABLE leaves a bulk-load page buffer fixed
92109	2018-08-21 17:53	2026-08-04 22:32	MySQL Server: Replication	Verified (86 days)	S2	5.7, 8.0	Any	Any	Please make replication crash safe with GITD and less durable setting (bis).
70659	2013-10-18 18:31	2026-08-04 22:31	MySQL Server: Replication	Verified (4756 days)	S3	5.6.14	Any	Any	Make crash safe slave work with gtid + less durable settings
121055	2026-08-04 22:14	2026-08-04 22:26	MySQL Server: Documentation	Open (86 days)	S2	8.0, 8.4, 9.7 and 26.7.0 (and 5.7)	Any	Any	The documentation of gtid_purged (and more) is incomplete since 8.0.17.
121034	2026-07-30 7:54	2026-08-04 22:16	Connector / NET	Verified (86 days)	S3	26.7.0	Any	Any	Regression in ef core Contains using StringComparison.InvariantCultureIgnoreCase
121046	2026-08-01 0:46	2026-08-04 7:45	MySQL Server: Optimizer	Verified (86 days)	S3	8.0.46, 8.4.10, 9.7.1	Any	Any	HAVING applied after SELECT DISTINCT deduplication → order-dependent wrong (empty) result
120525	2026-05-22 9:41	2026-08-04 6:38	MySQL Server: Optimizer	Verified (156 days)	S2	8.0.45	Ubuntu (Ubuntu 20.04.4 LTS)	x86 (Intel(R) Xeon(R) Platinum 8358P @ 2.60GHz (64 Cores, 96MB L3 Cache))	Append-Only Growth Breaks Subset Monotonicity for Implicit VARCHAR-to-DECIMAL IN-Subquery Comparison
120899	2026-07-13 7:34	2026-08-03 13:59	MySQL Server: Optimizer	Verified (87 days)	S2	8.0.46, 8.4.10, 9.7.1	Any	Any	An equivalent query becomes much slower after a redundant duplicated IN-subquery predicate is added
120998	2026-07-23 15:39	2026-08-03 10:55	MySQL Server: Optimizer	Verified (87 days)	S2	8.0.46, 8.4.10, 9.7.1	Ubuntu	Any	Inconsistent evaluation of NOT ((CASE WHEN ... LIKE a) OR a) on SMALLINT ZEROFILL UNIQUE column causes duplicate rows
121033	2026-07-30 0:39	2026-08-03 8:51	MySQL Server: Optimizer	Verified (87 days)	S3	8.0.46, 8.4.10, 9.7.1, 26.7.0	Ubuntu	ARM	Semijoin returns wrong row count over a LATERAL-derived-table view vs the base table
121036	2026-07-30 8:55	2026-08-03 8:13	MySQL Server: Optimizer	Verified (87 days)	S3	8.0.46, 8.4.10, 9.7.1	MacOS	ARM	Creating a secondary index on an ENUM column changes the result of MIN()/MAX()
121040	2026-07-30 9:06	2026-08-03 8:00	MySQL Server: Optimizer	Verified (87 days)	S2	8.0.46, 8.4.10, 9.7.1	MacOS	ARM	derived condition pushdown across a set operation ignores collation equality, breaking predicate monotonicity (default)
120992	2026-07-23 13:06	2026-08-03 6:53	MySQL Server: Optimizer	Verified (87 days)	S2	8.0.46, 8.4.10, 9.7.1	Ubuntu	Any	Inconsistent comparison behavior between CHARSET() string expression vs CTAS materialized column against hex literal (0x
120991	2026-07-23 12:59	2026-08-03 6:50	MySQL Server: Optimizer	Verified (87 days)	S2	8.0.46, 8.4.10, 9.7.1	Ubuntu	Any	Inconsistent comparison behavior between integer and ADDDATE(DATETIME, 0) expression vs CTAS materialized column
120990	2026-07-23 12:50	2026-08-03 6:49	MySQL Server: Optimizer	Verified (87 days)	S2	8.0.46, 8.4.10, 9.7.1	Ubuntu	Any	Inconsistent boolean evaluation between MAX(ENUM) aggregate expression and CTAS materialized ENUM column
120988	2026-07-23 12:31	2026-08-03 6:40	MySQL Server: Optimizer	Verified (87 days)	S2	8.0.46, 8.4.10, 9.7.1	Any	Any	Redundant DISTINCT in UNION, INTERSECT and EXCEPT branches is not eliminated
121047	2026-08-01 1:37	2026-08-01 1:37	MySQL Server: Data Dictionary	Open	S2	8.0	Linux	x86	Replica crash in `dd_first_index` on empty `dd::Table::indexes()` collection under concurrent DD
121045	2026-07-31 23:14	2026-07-31 23:14	MySQL Server: Performance Schema	Open	S3	9.7.2, 8.4 (present since 8.2.0)	Any	Any	Server telemetry metrics (mysql.stats, mysql.stats.handler) always report 0
121028	2026-07-29 6:09	2026-07-31 11:49	MySQL Server: Optimizer	Verified (90 days)	S2	9.7.1	MacOS	ARM	Cardinality Check Granularity Error in subquery_to_derived
121026	2026-07-29 3:26	2026-07-31 11:37	MySQL Server: Optimizer	Verified (90 days)	S2	8.0.42, 8.0.46, 8.4.9, 9.7.2	Any (official mysql Docker images, linux/arm64 and linux/amd64)	Any	Semijoin duplicate-weedout missing from plan: EXISTS + NOT EXISTS returns duplicate rows
121044	2026-07-31 10:50	2026-07-31 11:01	MySQL Server: InnoDB storage engine	Open (90 days)	S1	8.0.44, 8.0.45, 8.4.7, 8.4.8	Linux (Official mysql Docker image (Oracle Linux 9); also Azure Database for MySQL Flexible Server)	ARM (aarch64 (local repro); production/test instances affected are x86_64)	mysqld crashes (signal 11) building multi-valued index via ALTER TABLE on JSON column holding both empty and non-empty a
121032	2026-07-30 0:14	2026-07-31 10:39	MySQL Server: Optimizer	Verified (90 days)	S3	8.0.46, 8.4.10, 9.7.1, 26.7	Ubuntu	ARM	`REGEXP` backslash character-class in a WHERE over a UNION ALL derived table drops all matching rows
121035	2026-07-30 8:50	2026-07-30 8:54	MySQL Server: Replication	Open (91 days)	S5	8.0.46+, 8.4.10+	Linux	x86	Extra Table_map events are included in the binary log
120984	2026-07-23 10:19	2026-07-30 6:55	MySQL Server: Optimizer	Verified (91 days)	S2	8.0.46, 8.4.10, 9.7.1	Ubuntu	Any	Inconsistent type metadata and display for COALESCE() on a BIT column before and after CREATE TABLE AS SELECT
120983	2026-07-23 10:07	2026-07-29 10:20	MySQL Server: Optimizer	Verified (92 days)	S2	9.7.1	Ubuntu	Any	Wrong result for NOT IN subquery on a BIT column while an equivalent materialized query returns the expected row
121020	2026-07-28 6:11	2026-07-29 9:47	MySQL Server: Optimizer	Verified (92 days)	S2	9.7.1	MacOS	ARM	subquery_to_derived transforms LIMIT 1 into MIN aggregate when subquery is inside derived table (= fast-path context fai
121027	2026-07-29 5:35	2026-07-29 5:35	MySQL Server: Document Store: MySQL Shell	Open	S2	8.4.9, 8.4.10	Ubuntu (22.04)	Any	MySQL Shell 8.4.9 / 8.4.10 — util.loadDump() crashes with SIGSEGV in __strlen_evex (NULL pointer dereference)
121017	2026-07-28 5:06	2026-07-29 4:26	MySQL Server: Optimizer	Verified (92 days)	S3	9.7.1	MacOS	ARM	subquery_to_derived drops LIMIT 1 from non-equality scalar subqueries
121025	2026-07-28 21:38	2026-07-28 21:38	MySQL Server: Data Dictionary	Open	S3	8.4.9	Any	Any	check_table_funs retains opened tables; 1M-table upgrade OOMs with #117983 fix
121023	2026-07-28 13:23	2026-07-28 13:23	MySQL Server: Documentation	Open	S3	8.4,9.7	Any	Any	Request to improve detail level in AI-generated release notes (restore 1–2 sentence bug descriptions)
121001	2026-07-23 16:12	2026-07-28 13:13	MySQL Server: Optimizer	Verified (93 days)	S2	8.0.46, 8.4.10, 9.7.1	Ubuntu	Any	Incorrect evaluation of NOT (A AND NOT A AND (A IS NOT NULL)) drops NULL rows due to invalid ternary logic simplificatio
121021	2026-07-28 11:40	2026-07-28 11:40	MySQL Server: Connection Handling	Open	S3	5.7 (all), 8.0 (all, verified on 8.0.x s	Linux	Any	Shutdown can hang: lost SIGUSR1/SIGALRM between abort-flag check and poll() in connection accept loop
113260	2023-11-28 14:55	2026-07-28 6:30	MySQL Server: Replication	Verified (139 days)	S3	8.0.46, 8.4.9, 9.5.0	MacOS	Any	Client error in error log: MY-004031 - The client was disconnected ...
121011	2026-07-27 9:52	2026-07-27 14:18	MySQL Server: Optimizer	Verified (94 days)	S3	8.0.46, 8.4.10, 9.7.1	MacOS	ARM	subquery_to_derived causes wrong result with GROUP BY ... WITH ROLLUP
121012	2026-07-27 9:55	2026-07-27 14:15	MySQL Server: Optimizer	Verified (94 days)	S3	8.0.46, 8.4.10, 9.7.1	MacOS	ARM	subquery_to_derived bypasses only_full_group_by check
121013	2026-07-27 9:57	2026-07-27 14:00	MySQL Server: Optimizer	Verified (94 days)	S3	9.7.1	MacOS	ARM	subquery_to_derived causes row count mismatch with window function + LEFT JOIN
121010	2026-07-27 7:15	2026-07-27 7:15	MySQL Server: User-defined functions ( UDF )	Open	S2	8.4.7-7	Any	Any	Contribution by ByteDance RDS MySQL team: mysqld crashes on keyring_key_store UDF return-type mismatch
121007	2026-07-24 15:25	2026-07-24 15:25	MySQL Operator	Open	S3		Any	Any	Contribution: Make operator security contexts configurable and restricted P ...
121004	2026-07-24 4:03	2026-07-24 6:53	Connector / C	Open	S2	3.4.9	Debian (bookworm)	x86	Error build mariadb c connector 3.4.9 with openssl 3.5.7.9
110790	2023-04-24 18:37	2026-07-23 20:48	Connector / NET	In progress (1240 days)	S2	8.0.33	Windows (10)	Any	ExecuteReaderAsync hangs instead of cancelling query after CommandTimeout
120989	2026-07-23 12:44	2026-07-23 12:44	MySQL Server: Documentation	Open	S3	9.4.0, 8.3.0(behavior); manual: multiple	Any	Any	Documentation: FLOAT(p) boundary on floating-point-types page contradicts numeric-type-syntax page and actual server beh
72215	2014-04-03 3:13	2026-07-23 5:45	MySQL Server: User-defined functions ( UDF )	Verified (4575 days)	S3	5.6.16	Linux	Any	When LOCK_plugin conflicts very much, one uninstall-audit-plugin operation crash
118535	2025-06-26 17:43	2026-07-22 16:08	MySQL Server: FULLTEXT search	Verified (489 days)	S3	9.3.0, 8.4.5, 8.0.42	Ubuntu (25.04 Server)	x86	Arithmetic operations fail on fulltext-indexed fields inserted with DISABLE KEYS
111212	2023-05-31 8:30	2026-07-22 14:44	MySQL Server: Compiling	Verified (1231 days)	S2	8.0.30, 8.0.33	Debian (10)	Any (x86 and arm)	compile failed with gcc-10 when lto is enable
111914	2023-07-28 16:38	2026-07-22 14:41	MySQL Server: Replication	Verified (1186 days)	S2	8.0.33	Any	Any	Global replication filters replace channel specific filters
115572	2024-07-12 9:51	2026-07-22 14:40	Connector / NET	Verified (423 days)	S2	8.0.33	Any	Any	CancellationToken causes unhandled exception crash when in StartSSLAsync
116382	2024-10-16 20:09	2026-07-22 14:38	Connector / NET	Verified (742 days)	S2	8.0.33, 9.1.0	Windows (10)	Other (x64)	ExecuteNonQueryAsync hangs with DDL if UseCompression=True
113812	2024-01-31 2:06	2026-07-22 14:36	MySQL Server: DDL	Verified (997 days)	S2	8.0.33, 8.0.36	Linux	x86	alter table tablename engine=innodb cause data loss
3052	2004-03-03 2:46	2026-07-22 14:27	MySQL Server: Stored Routines	Verified (7493 days)	S3	5.1	Linux (SuSE 8.2)	Any	Rollback in stored procedure doesn't close cursor
120935	2026-07-15 10:45	2026-07-22 14:06	MySQL Server: Optimizer	Verified (99 days)	S2	8.0.46, 8.4.10, 9.7.1	Any	Any	Duplicate equivalent EXISTS predicate is not eliminated and causes a much slower execution plan
120956	2026-07-19 12:30	2026-07-22 14:02	MySQL Server: Optimizer	Verified (99 days)	S2	8.0.46, 8.4.10, 9.7.1	Ubuntu	Any	MySQL does not normalize duplicated OR predicates, causing a ~158x execution-time difference for equivalent WHERE clause
119797	2026-01-27 20:09	2026-07-22 11:21	MySQL Server: General	Open	S3		Any	Any	Contribution: Feat: Native Vector Search with HNSW Indexing
120976	2026-07-22 4:45	2026-07-22 9:34	MySQL Server: Optimizer	Verified (99 days)	S1	9.3	Any	Any	LATERAL Derived Table Causes IFNULL to Ignore Inner Table Column, Returning NULL for All Rows
120975	2026-07-22 4:42	2026-07-22 9:05	MySQL Server: Optimizer	Verified (99 days)	S1	8.0.46, 8.4.10, 9.7.1	Any	Any	Mixed-Type IFNULL Constant Causes Wrong Integer Conversion in Index Lookup
120974	2026-07-21 18:54	2026-07-22 8:43	MySQL Server: Information schema	Open (99 days)	S2	8.0.34-26	Any	Any	Client connection kill command doesn't kill process
120966	2026-07-21 5:58	2026-07-22 8:41	MySQL Server: Optimizer	Verified (99 days)	S1	8.0.46, 8.4.10, 9.7.1	Any	Any	LEAST Expression Incorrectly Evaluated as Integer for Index Lookup in IN Condition
120921	2026-07-14 13:51	2026-07-21 18:23	MySQL Server: Optimizer	Verified (100 days)	S3	8.0.46, 8.4.10, 9.7.1	Any	Any	Wrong result with VIEW, GROUP BY, STDDEV(DOUBLE), and IN subquery
120926	2026-07-14 14:07	2026-07-21 18:21	MySQL Server: Optimizer	Verified (100 days)	S3	8.4.10	Any	Any	Wrong result with CTE, AVG(DECIMAL), GROUP BY, comparison, and UNION
120925	2026-07-14 14:04	2026-07-21 18:19	MySQL Server: Optimizer	Verified (100 days)	S3	8.4.10	Any	Any	Wrong result with VIEW, GROUP_CONCAT, JSON_QUOTE, UPPER, and UNION
120924	2026-07-14 13:59	2026-07-21 18:14	MySQL Server: Optimizer	Verified (100 days)	S3	8.4.10	Any	Any	Wrong result with VIEW, GROUP_CONCAT, JSON_QUOTE, HEX, LOWER, and self JOIN
120923	2026-07-14 13:53	2026-07-21 18:06	MySQL Server: Optimizer	Verified (100 days)	S3	8.4.10	Any	Any	Wrong result with CTE, UNION ALL, GROUP BY, and COUNT()
120833	2026-07-02 10:32	2026-07-21 16:27	MySQL Server: Optimizer	Verified (118 days)	S1	8.0.46, 8.4.10, 9.7.1	Any	Any	Index Lookup Truncates DOUBLE to BIGINT for IF(NULL, …) and GREATEST(string, double) in IN Conditions
120834	2026-07-02 10:38	2026-07-21 16:25	MySQL Server: Optimizer	Verified (119 days)	S1	8.0.46, 8.4.10, 9.7.1	Any	Any	AVG on Large DOUBLE Values Returns Inconsistent Results Across Execution Paths (Index Scan vs. Temporary Table)
120867	2026-07-04 10:14	2026-07-21 15:50	MySQL Server: Optimizer	Verified (115 days)	S1	8.0.46, 8.4.10, 9.7.1	Any	Any	Const Table Optimization Incorrectly Evaluates FLOAT Comparison with Extreme DOUBLE Constant Due to Overflow
120903	2026-07-13 9:57	2026-07-21 15:45	MySQL Server: Optimizer	Verified (107 days)	S1	8.0.46, 8.4.10, 9.7.1	Any	Any	WITH ROLLUP in Derived Table Incorrectly Evaluates IFNULL Expression Due to Partial NULL Propagation
120907	2026-07-13 10:36	2026-07-21 15:19	MySQL Server: Optimizer	Verified (107 days)	S1	8.0.46, 8.4.10, 9.7.1	Any	Any	Index Lookup Loses Unary Plus Operator During Condition Pushdown, Causing String-to-Integer Truncation and Wrong Match
120909	2026-07-13 11:05	2026-07-21 15:16	MySQL Server: Optimizer	Verified (107 days)	S1	8.0.46, 8.4.10, 9.7.1	Any	Any	ROLLUP Incorrectly Sets Base Group Row to NULL for Constant Folded Expression
120929	2026-07-14 16:35	2026-07-21 8:24	MySQL Server: Documentation	Verified (100 days)	S3	9.7.1	Any	Any	LATEST FOREIGN KEY ERROR is not printed in SHOW ENGINE INNODB STATUS
119197	2025-10-20 15:21	2026-07-20 22:24	MySQL Server: Group Replication	Open	S3	8.0.43	Any	Any	Switching primary Group Replication/InnoDB Cluster member restricted too much
120963	2026-07-20 15:37	2026-07-20 15:37	Connector / ODBC	Open	S3		Any	Any	Contribution: fix: SQL_DATETIME_SUB value for char
120962	2026-07-20 15:37	2026-07-20 15:37	Connector / ODBC	Open	S3		Any	Any	Contribution: fix: SQLGetTypeInfo column name typo
120908	2026-07-13 10:50	2026-07-20 11:16	MySQL Server: Optimizer	Verified (107 days)	S1	9.1	Any	Any	DISTINCTROW with GROUP BY in Derived Table Loses Rows Due to Incomplete Duplicate Removal Key
120832	2026-07-02 10:02	2026-07-20 11:08	MySQL Server: Optimizer	Verified (119 days)	S1	9.1	Any	Any	WITH ROLLUP Super‑Aggregate Row Missing in Zero Input Rows Short‑Circuit Path
120905	2026-07-13 10:06	2026-07-20 11:02	MySQL Server: Optimizer	Verified (107 days)	S1	9.1	Any	Any	CASE Expression with Mixed FLOAT/INT Constant Returns Different Results in Single Table vs. Derived Table Due to Type In
120953	2026-07-18 16:47	2026-07-20 7:09	MySQL Server: InnoDB storage engine	Verified (101 days)	S3	9.7	Windows (Windows 11)	Any	Cannot create table - row size too large
116209	2024-09-24 7:44	2026-07-17 19:54	MySQL Server: InnoDB storage engine	Verified (765 days)	S5	8.0	Any	Any	Crash recovery is slow because of repeated scans of double-wrtie
120950	2026-07-17 11:52	2026-07-17 11:52	MySQL Server: Documentation	Open	S3		Any	Any	Employee database installation instructions need update for 9.x
120941	2026-07-16 2:34	2026-07-16 3:21	MySQL Server: InnoDB storage engine	Open (105 days)	S3	8.4.7-7	Any	Any	Contribution by ByteDance RDS MySQL team: InnoDB may permanently skip an undo record during shutdown
120931	2026-07-15 2:52	2026-07-15 2:52	Tests: System	Open	S3		Any	Any	Contribution: Mock ci GitHub config v2
120758	2026-06-24 6:13	2026-07-14 14:43	MySQL Server: InnoDB storage engine	Open	S3		Any	Any	Add logging for redo log scan performance statistics
120902	2026-07-13 9:13	2026-07-14 13:06	MySQL Server: Optimizer	Verified (107 days)	S5	9.7.1	Linux (Ubuntu (22.04.4 LTS))	x86 (x86_64, Intel(R) Xeon(R) Gold 5220)	Hash join AccessPath double-applies probe-side condition filtering
120906	2026-07-13 10:18	2026-07-14 12:50	MySQL Server: Optimizer	Verified (107 days)	S3	8.4.10	Any	Any	Wrong result with VIEW, UNION, NOT IN, NULL-safe equality, and LENGTH()
120910	2026-07-13 12:29	2026-07-14 12:31	MySQL Server: Optimizer	Verified (107 days)	S3	8.4.10	Any	Any	Wrong result with VIEW, EXISTS, BINARY comparison, nullable boolean expression, and RIGHT JOIN
120911	2026-07-13 13:28	2026-07-14 7:03	MySQL Server: Optimizer	Verified (107 days)	S2	9.6.0,9.7.0	Ubuntu	Any	Wrong result after predicate pushdown to HAVING for SUM(DOUBLE) in VIEW/CTE
120912	2026-07-13 15:04	2026-07-14 6:52	MySQL Server: Security: Privileges	Open	S3	8.4.10	Any	Any	REQUIRE SUBJECT/ISSUER authentication fails on OpenSSL 3.x (RHEL 9) due to X509_NAME_oneline() escaping + as \+
119585	2025-12-23 3:17	2026-07-13 23:49	MySQL Server: InnoDB storage engine	Open	S3	8.0.30/9.4.0/8.4.6	Any	Any	In extreme cases, sync_array_get_and_reserve_cell fails to obtain a cell even have space
120458	2026-05-12 16:02	2026-07-13 17:38	MySQL Operator	Open	S1	8.4.9	Linux	Any (docker)	Missing OCI image tag for MySQL Operator 8.4.9-2.1.11
120712	2026-06-17 6:44	2026-07-09 6:19	MySQL Server: Optimizer	Verified (112 days)	S3	9.7.0	Any	Any	Inconsistent EXPLAIN row estimation
120683	2026-06-14 15:21	2026-07-09 5:10	MySQL Server: Optimizer	Verified (112 days)	S5	9.7.0	Any	Any	Optimizer overestimates cost and rows for LIMIT 1 without ORDER BY on a primary key index
119431	2025-11-20 7:59	2026-07-09 5:01	MySQL Server: InnoDB storage engine	Open	S3	8.0.30, 8.0.39	Any	Any	Concurrent inserts generate duplicate AUTO_INCREMENT values after changing auto_increment settings
120896	2026-07-08 23:11	2026-07-08 23:11	MySQL Server: Logging	Open	S3	8.4.10	Any	Any	General query log inconsistency: SECURITY DEFINER function/trigger bodies logged as definer (host %); SP body not logged
120347	2026-04-27 4:05	2026-07-08 23:11	Connector / NET	Verified (113 days)	S2	9.7.0	Windows (11)	x86	"IsAutoIncrement" in GetSchemaTable is False in 9.7.0 (regression)
119500	2025-12-03 15:23	2026-07-08 21:39	Connector / NET	Verified (113 days)	S2	8.4	Any	Any	MySql.Data 8.4.0 Fails with "Access denied" during mysql_clear_password (LDAP) handshake, while MySQL CLI succeeds.
119774	2026-01-26 2:28	2026-07-08 21:27	Connector / NET	Verified (113 days)	S2	9.0.11	Windows (10)	x86 (64)	MySQL.EntityFrameworkCore ignores command timeout settings and causes permanent blocking after long lock periods.
119419	2025-11-18 10:30	2026-07-08 19:16	Connector / NET	Verified (113 days)	S3	9.0.9	Any	Any	MySql.EntityFrameworkCore error connecting with MySqlConnection when running migrations
120191	2026-03-31 13:32	2026-07-08 12:40	MySQL Server: Optimizer	Verified (113 days)	S2	8.0.43 (MySQL Community Server - GPL)	Any (Docker container)	Any (x86_64)	TLP bug: Incorrect result under Ternary Logic Partitioning (TLP) with complex RIGHT JOIN chains
119909	2026-02-12 21:31	2026-07-08 12:22	MySQL Server: Optimizer	Verified (113 days)	S2	9.5.0	Any	Any	Wrong result due to unsafe Item_max optimization triggering on homogeneous subqueries but not heterogeneous ones
119808	2026-01-29 14:44	2026-07-08 12:18	MySQL Server: DML	Verified (113 days)	S2		Any	Any	Error 3569 with HIGH_PRIORITY + VIEW + GROUP BY + FOR UPDATE
120821	2026-07-01 8:16	2026-07-08 11:11	MySQL Server: Optimizer	Verified (113 days)	S2	9.5.0	Any	Any	SELECT DISTINCT makes an equivalent query ~170x faster on round90.t1 in MySQL 9.5.0
120793	2026-06-27 11:52	2026-07-08 9:30	MySQL Server: Optimizer	Verified (113 days)	S5	9.7.1	Ubuntu (22.04.4 LTS)	x86 (Intel(R) Xeon(R) Gold 5220 CPU @ 2.20GHz)	Default heuristic pruning misses join-connected prefix in 3-table query, causing ~40x slower plan
120772	2026-06-25 10:27	2026-07-08 9:03	MySQL Server: Optimizer	Verified (113 days)	S5	9.7.1 and 8.0.31	Ubuntu (22.04.4 LTS)	x86 (Intel(R) Xeon(R) Gold 5220 CPU @ 2.20GHz)	UPDATE HISTOGRAM causes optimizer to use stale cardinalities and miss faster join order
120736	2026-06-22 6:46	2026-07-08 8:56	MySQL Server: Optimizer	Verified (113 days)	S3	9.6.0	Any	Any	FORCE INDEX make a query with OR (NOT NULL column <=> NULL) degrade from an index range scan to a full table scan
120856	2026-07-03 6:15	2026-07-08 8:18	MySQL Server: Data Types	Verified (113 days)	S2	9.7.0	Any	Any	COERCIBILITY() differs for expression-derived strings between VIEW/CTE and TEMPORARY TABLE
103684	2021-05-13 12:43	2026-07-08 5:17	MySQL Server: Logging	Verified (1995 days)	S3	8.0.24	Any	Any	Warning issued when querying ps. keyring_component_status
120717	2026-06-17 13:33	2026-07-07 19:02	MySQL Server: Compiling	Open (114 days)	S3	9.7.0, 26.7.0-er	MacOS (26.5.1)	ARM	Build fails under macOS with LLVM 18
120887	2026-07-07 10:53	2026-07-07 10:53	MySQL Server: Tests	Open	S3	26.7.0-er	MacOS (26.5.2)	Any	merge_large_tests-t hanging at Bgc_ticket_manager_test.Several_tickets_test
120857	2026-07-03 6:23	2026-07-07 7:25	MySQL Server: Optimizer	Verified (114 days)	S2	9.6.0,9.7.0	Ubuntu	Any	Wrong result with LOWER(REVERSE(ST_AsGeoJSON())) comparison under utf8mb4_bin collation in VIEW/CTE
120870	2026-07-06 5:20	2026-07-07 6:30	MySQL Server: Optimizer	Verified (114 days)	S5	9.7.1	Ubuntu (22.04.4 LTS)	x86 (x86_64, Intel(R) Xeon(R) Gold 5220)	Hypergraph misses BETWEEN equality, causing 100x slowdown
120869	2026-07-05 10:46	2026-07-06 5:40	MySQL Server: Optimizer	Verified (115 days)	S5	9.7.1	Ubuntu (22.04.4 LTS)	x86 (x86_64, Intel(R) Xeon(R) Gold 5220)	Optimizer chooses 26x slower join order due to fanout misestimation despite histograms
120868	2026-07-05 8:42	2026-07-06 5:30	MySQL Server: Optimizer	Verified (115 days)	S5	9.7.1	Linux (22.04.4 LTS)	x86 (x86_64, Intel(R) Xeon(R) Gold 5220)	Optimizer misses ORDER BY LIMIT optimization when ordering key is equivalent through join equality
120861	2026-07-03 12:43	2026-07-04 13:48	MySQL Server: Optimizer	Verified (117 days)	S5	9.7.1	Ubuntu (22.04.4 LTS)	x86 (x86_64, Intel(R) Xeon(R) Gold 5220)	SELECT DISTINCT inner join expands duplicate-insensitive fanout instead of using semijoin/existence semantics
120848	2026-07-02 17:43	2026-07-03 16:34	MySQL Server: Data Types	Verified (118 days)	S2	9.6.0	Ubuntu	Any	Inconsistent comparison behavior for MAKETIME() expression between VIEW/CTE and TEMPORARY TABLE
120853	2026-07-03 5:42	2026-07-03 10:12	MySQL Server: Optimizer	Verified (118 days)	S2	9.6.0,9.7.0	Ubuntu	Any	Wrong result with LOWER(JSON), UPPER() comparison and utf8mb4_bin collation in VIEW/CTE
120852	2026-07-03 5:32	2026-07-03 10:09	MySQL Server: Data Types	Verified (118 days)	S2	9.6.0,9.7.0	Ubuntu	Any	Wrong result with YEAR() over DATE after UNION: value displayed as 0000 but satisfies vc > 1970
120850	2026-07-03 3:32	2026-07-03 9:57	MySQL Server: Optimizer	Verified (118 days)	S5	9.7.1	Linux (Ubuntu (22.04.4 LTS))	x86 (x86_64, Intel(R) Xeon(R) Gold 5220)	Optimizer misses impossible INNER JOIN condition with IS NULL and normal equality
120847	2026-07-02 17:28	2026-07-03 9:22	MySQL Server: Data Types	Verified (118 days)	S2	9.6.0	Ubuntu	Any	Inconsistent comparison behavior for ENUM-derived CASE expression between VIEW/CTE and TEMPORARY TABLE
120859	2026-07-03 9:14	2026-07-03 9:20	MySQL Server: InnoDB storage engine	Open	S3	8.0.30	Any	Any	mysqld crashes with SIGSEGV in temptable::Block::can_accommodate() due to shared_block_pool use-after-free race conditio
120843	2026-07-02 16:43	2026-07-03 9:14	MySQL Server: Optimizer	Verified (118 days)	S2	9.6.0	Ubuntu	Any	VIEW and CTE return wrong results with YEAR(), UNION and uncorrelated EXISTS subquery
115208	2024-06-04 8:51	2026-07-03 8:48	MySQL Server: Optimizer	Patch pending (877 days)	S3	8.0.33	Any	Any	Last_query_cost could be negative number due to unmatched cost values in JOIN
120846	2026-07-02 17:00	2026-07-03 7:49	MySQL Server: Optimizer	Verified (118 days)	S2	9.6.0	Ubuntu	Any	Wrong result with CTE, AVG(NUMERIC(62)), MIN() and derived table join
120845	2026-07-02 16:55	2026-07-03 7:44	MySQL Server: Optimizer	Verified (118 days)	S2	9.6.0	Ubuntu	Any	Wrong result with CTE, nested STDDEV_POP(), GROUP BY and UNION
120842	2026-07-02 16:34	2026-07-02 20:22	MySQL Server: Optimizer	Verified (119 days)	S2	9.6.0	Ubuntu	Any	Wrong result with CTE, DISTINCT, NULL vs empty string, GROUP_CONCAT() and UNION
120841	2026-07-02 16:26	2026-07-02 20:14	MySQL Server: Optimizer	Verified (119 days)	S2	9.6.0	Ubuntu	Any	Wrong result with CTE, ORDER BY LIMIT, GROUP BY, SUM() and outer UNION
120840	2026-07-02 16:20	2026-07-02 20:09	MySQL Server: Optimizer	Verified (119 days)	S2	9.6.0	Ubuntu	Any	VIEW and equivalent CTE differ when LOWER(JSON_TYPE(...)) is compared with JSON_TYPE() result in a UNION query
120839	2026-07-02 15:37	2026-07-02 20:04	MySQL Server: Optimizer	Verified (119 days)	S2	9.6.0	Ubuntu	Any	Wrong result with CTE, YEAR column, scalar subquery, outer UNION and MAX() aggregate
120837	2026-07-02 15:20	2026-07-02 19:44	MySQL Server: Optimizer	Verified (119 days)	S2	9.6.0	Any	Any	Wrong result with CTE, UNION ALL, GROUP BY/HAVING and LOCATE('', column)
120836	2026-07-02 15:08	2026-07-02 19:35	MySQL Server: Optimizer	Verified (119 days)	S2	9.6.0	Ubuntu	Any	Wrong result with VIEW, UNION, MAKETIME(), MEDIUMTEXT and NOT IN subquery containing NULL
120835	2026-07-02 14:24	2026-07-02 14:24	MySQL Server: InnoDB storage engine	Open	S3	9.7.0	Any	Any	UBSan error on log0log.log_writer test
118213	2025-05-16 11:01	2026-07-02 14:11	Tests	Verified (119 days)	S3	8.4.9, 9.7.0	MacOS (15.5)	ARM	Test perfschema.idx_compare_mutex_instances fails under debug
120809	2026-06-29 7:31	2026-07-02 14:07	MySQL Server: Optimizer	Verified (119 days)	S5	9.7.1 and 8.0.31	Ubuntu (22.04.4 LTS)	Any	Optimizer misses DISTINCT early-out and chooses 40M-row hash join Cartesian product
120797	2026-06-27 15:18	2026-07-02 13:29	MySQL Server: Optimizer	Verified (119 days)	S5	9.7.1	Ubuntu (22.04.4 LTS)	x86	Poor plan for DISTINCT Cartesian product: hash join materializes full product while NO_BNL is about 50x faster
120830	2026-07-02 3:11	2026-07-02 9:34	MySQL Server: Optimizer	Verified (119 days)	S5	9.7.1	Ubuntu (22.04.4 LTS)	x86 (x86_64, Intel(R) Xeon(R) Gold 5220)	Optimizer chooses 2800x slower join order despite lower-cost JOIN_PREFIX plan
120827	2026-07-01 12:25	2026-07-01 12:25	MySQL Server: InnoDB storage engine	Open	S5	8.0.45	Linux	Any	Clarification on deadlock during concurrent INSERT into secondary index without preceding locking reads
120698	2026-06-16 3:17	2026-07-01 2:39	MySQL Server: InnoDB storage engine	Open (120 days)	S1	8.0.44	Any	Any	Contribution by Tencent: Compressed pages' records may out of order when using change buffer
120677	2026-06-13 17:33	2026-06-30 13:29	MySQL Server: Optimizer	Verified (121 days)	S3	9.6.0	Ubuntu	Any	Incorrect result for `col OR GREATEST(...)`
120675	2026-06-13 17:32	2026-06-30 13:24	MySQL Server: Optimizer	Verified (121 days)	S3	9.6.0	Ubuntu	Any	Incorrect result for `CAST(NULL) IN col \|\| CASE ... IN col`
120285	2026-04-18 15:49	2026-06-30 6:34	MySQL Server: Optimizer	Verified (121 days)	S2	8.0.45	Ubuntu (Ubuntu 20.04.4 LTS)	x86 (Intel(R) Xeon(R) Platinum 8358P @ 2.60GHz (64 Cores, 96MB L3 Cache))	Materialized Semijoin + Outer ORDER BY Loses Rows for Correlated EXISTS,Causing Plan-Dependent Result Divergence
120189	2026-03-31 12:43	2026-06-30 6:11	MySQL Server: Optimizer	Verified (121 days)	S2	8.0.43 (MySQL Community Server - GPL)	Any (Docker container)	Any (x86_64)	TLP Bug: COUNT(*) on orders returns 5, but equivalent TLP-style with complex NULLIF and CASE expressions return 10
120187	2026-03-31 11:46	2026-06-30 5:37	MySQL Server: Optimizer	Verified (121 days)	S2	8.0.43 (MySQL Community Server - GPL)	Any (Docker container)	Any (x86_64)	Bug: COUNT(*) vs SUM(CASE WHEN ...) returns inconsistent results with NULL-sensitive joins
117809	2025-03-27 13:06	2026-06-30 5:31	MySQL Server: InnoDB storage engine	Verified (581 days)	S5		Any	Any	Statistics update failed.
120180	2026-03-30 13:32	2026-06-30 5:29	MySQL Server: Optimizer	Verified (121 days)	S2	8.0.43 (MySQL Community Server - GPL)	Any (Docker container)	Any (x86_64)	NoREC Bug: COUNT(*) and SUM(CASE WHEN ...) return inconsistent results with string-length expression and NULL-sensitive
120190	2026-03-31 13:04	2026-06-30 5:22	MySQL Server: Optimizer	Verified (121 days)	S2	8.0.43 (MySQL Community Server - GPL)	Any (Docker container)	Any (x86_64)	TLP Bug: COUNT(*) returns 20, while TLP-partitioned queries return 0 under RIGHT JOIN with LATERAL subqueries
104720	2021-08-25 13:08	2026-06-29 17:56	MySQL Server: DML	Verified (1890 days)	S3	8.0	Any	Any	Ref scan with impossible where condition returns wrong result
120808	2026-06-29 7:13	2026-06-29 7:13	MySQL Cluster: Cluster (NDB) storage engine	Open	S2	MySQL NDB Cluster 9.3.0-cluster	Any	Any	NDB SQL/API node aborts in Ndb_binlog_setup::setup() after NDB schema UUID differs from local DD schema UUID during rest
120182	2026-03-30 21:14	2026-06-29 5:47	MySQL Server: Compiling	Open	S3		Any	Any	Contribution: Consolidate duplicated cmake flags in MySQL DEB packaging usi ...
120183	2026-03-30 21:14	2026-06-29 5:46	MySQL Server: Compiling	Open	S3		Any	Any	Contribution: Consolidate duplicated cmake flags in MySQL RPM spec using sh ...
120803	2026-06-28 13:20	2026-06-29 2:51	MySQL Server: Optimizer	Verified (122 days)	S1	9.6	Any	Any	CTE Materialization Causes LEAST to Degenerate from String Comparison to Numeric Comparison
120804	2026-06-28 13:41	2026-06-28 21:27	MySQL Server: InnoDB storage engine	Open	S1	mysql 8.4.9	Ubuntu (20.04)	x86	Unexpected deadlock under RR/SER when updating a row already locked by the same transaction
120794	2026-06-27 11:54	2026-06-27 11:56	MySQL Server: Compiling	Open	S3	9.7.0	Ubuntu	Any	Compiling MySQL produces warnings
120792	2026-06-26 18:00	2026-06-26 18:20	MySQL Package Repos	Open (125 days)	S3	9.7 LTS	Oracle Linux (OL10)	x86	No mysql97-community-release RPM to enable upgrading from 8.4
120773	2026-06-25 11:54	2026-06-26 10:38	MySQL Server: Optimizer	Verified (125 days)	S5	9.7.1	Ubuntu (Ubuntu (22.04.4 LTS))	x86 (Intel(R) Xeon(R) Gold 5220 CPU @ 2.20GHz)	Hash join misses DISTINCT ORDER BY LIMIT early termination
119785	2026-01-27 1:52	2026-06-26 8:42	MySQL Cluster: Cluster/J	Open (125 days)	S2	MySQL NDB Cluster 9.3.0-cluster	Ubuntu (22.04)	Any	After cluster restart, mysql.ndb_schema creation fails on SQL nodes (ERROR 1146) but NDB dictionary shows it exists.
119781	2026-01-26 15:00	2026-06-26 8:42	MySQL Cluster: Cluster/J	Open (125 days)	S2	9.3.0	Ubuntu (22.04)	Any	mysql.ndb_schema missing (ERROR 1146) on all MySQL Server nodes after NDB Cluster restart
120627	2026-06-08 7:59	2026-06-26 8:38	MySQL Cluster: Cluster (NDB) storage engine	Open (125 days)	S2	9.3.0	Ubuntu (22.04)	Any	CREATE TABLE may fail during early NDB recovery
120629	2026-06-08 8:12	2026-06-26 8:38	MySQL Cluster: Cluster (NDB) storage engine	Open (125 days)	S2	9.3.0	Any	Any	MySQL not reachable after NDB node rejoin
120626	2026-06-08 7:54	2026-06-26 8:38	MySQL Cluster: Cluster (NDB) storage engine	Open (125 days)	S2	9.3.0	Ubuntu (22.04)	Any	NDB data diverges after SHOW and concurrent updates
120437	2026-05-11 8:47	2026-06-26 7:08	MySQL Server: Information schema	Verified (125 days)	S2	8.0.35, 8.4.8, 9.3.0, 9.7.0	Any	Any	information_schema.partitions returns UINT64_MAX (18446744073709551615) for DATA_LENGTH of partition dropped during conc
120780	2026-06-25 20:19	2026-06-26 7:00	MySQL Server: DML	Verified (125 days)	S2	9.7.0	Linux	Any	Nested DATE_ADD on a date string adds spurious 00:00:00, drops WHERE rows
120777	2026-06-25 19:24	2026-06-26 6:29	MySQL Server: Replication	Verified (125 days)	S3	8.4.9, 9.7.0	Linux	Any	Replica crash on short Format_description_event post_header_len
120782	2026-06-25 20:24	2026-06-26 4:47	MySQL Server: Optimizer	Verified (125 days)	S2	9.7.0	Linux	Any	Derived merge: temporal expr ignores NULL-extended LEFT JOIN row
120674	2026-06-13 17:32	2026-06-26 4:38	MySQL Server: Optimizer	Verified (125 days)	S3	9.6.0	Ubuntu	Any	Incorrect result for `CASE with EXISTS` compared to column
120775	2026-06-25 16:38	2026-06-25 16:38	Tests: System	Open	S3		Any	Any	Contribution: Add open source contribution workflows
120774	2026-06-25 12:16	2026-06-25 12:16	MySQL Server: Replication	Open	S2	8.4.8	Linux	Any	replication worker thread dealock
119456	2025-11-25 6:52	2026-06-25 8:48	MySQL Server: Optimizer	Patch pending (335 days)	S3	8.0.44, 8.4.7, 9.5	Any	Any	Query block name uses mixed decimal/hexadecimal in optimizer trace and hint
120634	2026-06-09 4:07	2026-06-25 2:28	MySQL Server: InnoDB storage engine	Open	S1	8.0.44 8.4.9	Any	Any	buf_stat_per_index inc/dec is not paired: root page inc is never decremented, causing unbounded growth of ut_lock_free_h
119246	2025-10-27 15:02	2026-06-24 21:31	MySQL Server: Compiling	Open (140 days)	S3	8.0.46, 8.4.9, 9.7.0-er2	MacOS (26.0.1)	ARM	9.7.0-er2 compilation error with LLVM 21
120742	2026-06-22 16:32	2026-06-22 16:32	Connector / ODBC	Open	S3		Any	Any	Contribution: Update macOS Apple Silicon hombrew rpath
120741	2026-06-22 16:32	2026-06-22 16:32	Connector / ODBC	Open	S3		Any	Any	Contribution: Update macOS Apple Silicon hombrew rpath
120737	2026-06-22 8:28	2026-06-22 10:31	MySQL Server: Optimizer	Verified (129 days)	S1	8.0.45	Any	Any	Inconsistent CAST Handling of Out-of-Range TEXT Values in Single Table vs. View/Join Paths
120734	2026-06-20 14:02	2026-06-22 9:59	MySQL Server: Optimizer	Verified (129 days)	S1	8.0.45	Any	Any	Constant Table Optimization Ignores WHERE Condition for MAX(DISTINCT), Returning Incorrect Non-NULL Value
120733	2026-06-20 13:38	2026-06-22 9:29	MySQL Server: Optimizer	Verified (129 days)	S1	MySQL 9.6	Any	Any	DISTINCTROW with ROW_NUMBER() Derived Table and GROUP BY Causes Duplicate Removal Key to Miss a Non‑Aggregate Column, Me
120732	2026-06-20 13:22	2026-06-22 6:37	MySQL Server: Optimizer	Verified (129 days)	S3	MySQL 9.6	Any (Storage Engine: InnoDB)	Any	Derived Table Merging Causes Incorrect Duplicate Removal with DISTINCT + GROUP BY + SUM(DISTINCT EXISTS(subquery))
119280	2025-10-31 11:55	2026-06-20 21:50	MySQL Server: InnoDB storage engine	Open (153 days)	S2	9.5.0	Any	Any	INSTANT ADD succeeds even when the size of a row crosses row_size_limit
120199	2026-04-01 8:00	2026-06-19 12:42	MySQL Server: InnoDB storage engine	Open (132 days)	S2	9.4.0	Any	Any	Two transactions simultaneously acquire the same exclusive lock
113665	2024-01-17 14:06	2026-06-18 12:18	MySQL Server: Tests	Verified (133 days)	S3	8.0.44, 8.4.9, 9.7.0	MacOS (12.4.1)	ARM	perfschema.relaylog fails with a result difference
120715	2026-06-17 8:28	2026-06-18 2:12	MySQL Server: InnoDB storage engine	Open (133 days)	S2	9.7.0	Any	Any	Unexpected deadlock when one of the two transactions does not acquire any locks
118185	2025-05-13 14:43	2026-06-17 13:05	Tests	Verified (134 days)	S3	8.0.46, 8.4.9	MacOS (15.4.1)	ARM	Non-specific ASan error on TestLoaderGood/LoaderReadTest.load_wrong_version/0
120716	2026-06-17 12:31	2026-06-17 12:53	MySQL Server: Optimizer	Verified (134 days)	S1	8.0.45	Any (Storage Engine: MEMORY)	Any	MEMORY Engine Empty Outer Join Derived Table Causes Incorrect Aggregate Result (Should Be NULL)
119625	2026-01-05 13:03	2026-06-16 16:42	MySQL Router	Verified (135 days)	S3	MySQL Router: 8.4.7 (MySQL Community - G	Linux (RHEL 7.x)	x86	MySQL Router 8.4.7 logs max_total_connections=512 while InnoDB Cluster metadata shows max_total_connections=1000
120690	2026-06-15 13:33	2026-06-16 7:40	MySQL Server: DML	Verified (135 days)	S3	8.0.46	Any	Any	CHAR type: inconsistent behavior between WHERE clause and UNIQUE constraint when comparing strings with trailing spaces
120666	2026-06-12 15:58	2026-06-16 6:23	MySQL Server: Optimizer	Verified (136 days)	S5	9.7.0	Any	Any	Optimizer fails to convert ABS(column) < constant to range scan, resulting in full table scan
120669	2026-06-13 17:29	2026-06-16 5:35	MySQL Server: Optimizer	Verified (135 days)	S3	9.6.0	Ubuntu	Any	Incorrect result for `CASE + LIKE + XOR` with `\|\|`
120693	2026-06-15 15:46	2026-06-15 15:46	MySQL Operator	Open	S3		Any	Any	Contribution: Fix read replica reconcile status handling
120668	2026-06-13 17:28	2026-06-15 12:40	MySQL Server: Optimizer	Verified (136 days)	S3	9.6.0	Ubuntu	Any	Incorrect result for `LEAST(...) IN (col)`
120687	2026-06-15 8:48	2026-06-15 11:06	MySQL Server: JSON	Verified (136 days)	S3	9.7.0	Any	Any	Incorrect result of MEMBER OF
120664	2026-06-12 7:56	2026-06-15 8:33	MySQL Server: JSON	Verified (136 days)	S3	9.6.0	Any	Any	INDEX hint blocks generated column substitution for multi-valued indexes with MEMBER OF
120685	2026-06-15 6:28	2026-06-15 6:40	MySQL Server: XA transactions	Open	S3	8.0, 9.7.0	Any	Any	XA recovery corrupts database name with special characters in MDL lock key (double filename_to_tablename())
120684	2026-06-15 3:22	2026-06-15 3:28	MySQL Server: InnoDB storage engine	Open (136 days)	S2	9.4.0	Any	Any	Inconsistent deadlock of UPDATE and SELECT FOR UPDATE with the same WHERE clause
120681	2026-06-14 5:43	2026-06-14 5:43	MySQL Server: FULLTEXT search	Open	S2	9.7	Debian (Debian GNU/Linux 12 (bookworm))	x86 ((86_64)	ngram FULLTEXT parser fails to match certain Latin tokens (e.g. "Sarah") in any query mode
120667	2026-06-13 3:56	2026-06-13 3:56	MySQL Server: Installing	Open	S3	8.0.46	Windows	Any	MySQL Installer 8.0.46 fails at "Updating the Start menu link" although MySQL Server installs and runs successfully
120480	2026-05-14 20:59	2026-06-12 21:18	MySQL Server: Replication	Open (139 days)	S3	8.0.40	Any	Any	Crash in set_and_validate_user_attributes during relay log recovery
92403	2018-09-13 10:37	2026-06-12 15:10	MySQL Server: Command-line Clients	Verified (2964 days)	S3	5.7.23-0ubuntu0.18.04.1 (Ubuntu)	Ubuntu	Any	Wrong error message printed when password is too long.
55209	2010-07-13 13:17	2026-06-12 14:32	MySQL Server: General	Verified (5564 days)	S3	5.1, all	Any	Any	UUID() generates the same value if it is run in the same time
120662	2026-06-11 22:16	2026-06-12 6:14	MySQL Server: InnoDB storage engine	Open	S3		Any	Any	Contribution: Use public variable name innodb_open_files in open-file timeo ...
113190	2023-11-22 20:45	2026-06-12 6:11	Tests	Verified (139 days)	S3	8.0.46, 8.4.9	Any	Any	Several tests in routertest_integration_routing_sharing_constrained_pools fail
119735	2026-01-21 14:21	2026-06-12 5:41	MySQL Server: Tests	Open (139 days)	S3	8.4.9	MacOS (26.2)	ARM	Unhandled error log warning in main.initialize-sha256
79248	2015-11-12 12:19	2026-06-11 20:48	MySQL Server: Replication	Patch pending (4004 days)	S3	5.7.9	Any	Any	GRANT ... IDENTIFIED BY '' expires password on slave but not on master
120653	2026-06-10 7:44	2026-06-11 9:51	MySQL Server: Compiling	Open (140 days)	S3	8.0.46, 8.4.9	MacOS (26.5.1)	ARM	LLVM 21 -Wformat / -Wmissing-format-attribute warnings
119242	2025-10-27 12:13	2026-06-11 4:08	MySQL Server: Compiling	Open (140 days)	S3	8.0.46, 8.4.9	MacOS (26.0.1)	ARM	Clang 21 / XCode build warnings
119239	2025-10-27 7:53	2026-06-11 4:05	MySQL Server: Compiling	Open (140 days)	S3	8.0.46, 8.4.9	MacOS (26.0.1)	ARM	Compilation error with clang 21 / XCode
113196	2023-11-23 11:49	2026-06-11 2:48	MySQL Operator	Documenting (1071 days)	S3	8.2.0-2.1.1	Any	Any	MySQL Operator - Metrics provider doesn't take command line arguments
113189	2023-11-22 20:05	2026-06-10 19:43	Tests	Verified (141 days)	S3	8.0.46, 8.4.3, 9.1.0	Any	Any	ColumnStatisticsTest.StoreAndRestoreAttributesEquiHeight unit test fails
118171	2025-05-12 12:49	2026-06-10 19:41	MySQL Server: mysqldump Command-line Client	Verified (141 days)	S3	8.0.46	MacOS (15.4.1)	ARM	Test main.mysqldump-tablespace-escape failing
120650	2026-06-09 19:25	2026-06-09 19:25	MySQL Server: Compiling	Open	S3	8.0.46	MacOS (26.5.1)	ARM	-Wunused-but-set-variable failing build
120649	2026-06-09 17:53	2026-06-09 18:51	MySQL Server: InnoDB storage engine	Open	S3		Any	Any	Contribution: InnoDB: crash recovery of unfinished ALTER TABLESPACE ENCRYPT ...
120648	2026-06-09 17:53	2026-06-09 18:51	MySQL Server: InnoDB storage engine	Open	S3		Any	Any	Contribution: InnoDB: Crash resuming interrupted ALTER TABLESPACE ENCRYPTIO ...
120647	2026-06-09 17:40	2026-06-09 18:50	MySQL Server: InnoDB storage engine	Open	S3		Any	Any	Contribution: InnoDB: make_page_dirty debug command logs MLOG_2BYTES on com ...
120646	2026-06-09 14:50	2026-06-09 14:50	MySQL Cluster: Cluster (NDB) storage engine	Open	S3	9.3.0	Ubuntu (22.04)	Any	Lock wait timeout with high MaxSendDelay
120645	2026-06-09 14:49	2026-06-09 14:49	MySQL Cluster: Cluster (NDB) storage engine	Open	S3	9.3.0	Ubuntu (22.04)	Any	Lock wait timeout with larger EventLogBufferSize
120644	2026-06-09 14:48	2026-06-09 14:48	MySQL Cluster: Cluster (NDB) storage engine	Open	S3	9.3.0	Ubuntu (22.04)	Any	Lock wait timeout after SHOW with low GCP interval
119238	2025-10-27 7:31	2026-06-09 13:52	MySQL Server: Compiling	Open (142 days)	S3	8.0.45	MacOS (26.0.1)	ARM	Compilation error with clang 20
120640	2026-06-09 10:13	2026-06-09 11:00	MySQL Server: Optimizer	Verified (142 days)	S3	9.6.0	Ubuntu (22.04)	Any	WHERE NULLIF(...) IS NULL returns rows when NULLIF is non-NULL
119706	2026-01-16 10:46	2026-06-08 11:37	MySQL Server: Optimizer	Verified (143 days)	S2	8.0.44, 9.5.0	Any	Any	Incorrect Results from ALL/ANY Subquery MIN/MAX Optimization with Type Mismatch
119340	2025-11-10 7:58	2026-06-08 11:35	MySQL Server: Optimizer	Verified (143 days)	S3	9.4.0 8.4.6	Any	Any	Incorrect result for RLIKE when INSERT() uses CURRENT_USER() as an argument.
120502	2026-05-20 10:16	2026-06-08 11:31	MySQL Server: Optimizer	Verified (143 days)	S5	9.7.0	Any	Any	Impossible WHERE with inequality-only contradictions not optimized
120269	2026-04-15 7:40	2026-06-08 9:29	MySQL Server: JSON	Verified (143 days)	S1	8.0.45	Any	Any	Wrong result in string comparison with JSON_UNQUOTE(JSON_EXTRACT(...))
120628	2026-06-08 8:03	2026-06-08 8:13	MySQL Cluster: Cluster (NDB) storage engine	Open (143 days)	S3	9.3.0	Ubuntu (22.04)	Any	Lock wait timeout after NDB node rejoin
119624	2026-01-05 12:51	2026-06-07 23:00	MySQL Server: Packaging	Open	S3	8.4.7	Red Hat (RHEL 7.x)	x86	mysql-community-8.4.7-1.el7.src.rpm installs an unexpected mysql-5.6.51.tar.gz into SOURCES
120625	2026-06-07 13:13	2026-06-07 18:54	MySQL Package Repos	Open (144 days)	S3	8.4	Oracle Linux (9)	Any	leapp ugprade from oracle linux 9 to oracle linux 10 breaks because mysql-community rpms are not signed by Oracle!
120621	2026-06-05 12:52	2026-06-05 12:52	MySQL Package Repos	Open	S2		Red Hat (10)	Any	outdated GPG key is provided by mysql84-community-release-el10-3.noarch.rpm package
117865	2025-04-02 17:41	2026-06-04 15:53	MySQL Cluster: Cluster (NDB) storage engine	In progress (147 days)	S3	8.4.3	Any	Any	ALTER TABLE with copying and BLOB column uses too large transactions
120614	2026-06-03 23:45	2026-06-04 9:52	MySQL Server: Optimizer	Verified (147 days)	S3	8.0.45	Windows	Any	LOWER() truncates trailing characters after character Ⱥ
120472	2026-05-14 4:07	2026-06-04 8:43	MySQL Server: Optimizer	Verified (147 days)	S2	8.0.43	Any	Any	Wrong Result After Removing Semantically Redundant RIGHT JOIN ... ON FALSE
120377	2026-04-29 8:45	2026-06-04 8:43	MySQL Server: Optimizer	Verified (147 days)	S2	8.0.43 (MySQL Community Server - GPL)	Any (Docker container)	Any (x86_64)	Incorrect row count in MySQL when using LATERAL derived table with DISTINCT and CASE
120363	2026-04-28 6:58	2026-06-04 8:42	MySQL Server: Optimizer	Verified (147 days)	S2	8.0.43	Any (Docker container)	Any (x86_64)	LEFT JOIN ON FALSE causes incorrect NULL comparison result in MySQL
120279	2026-04-17 7:23	2026-06-04 8:42	MySQL Server: Optimizer	Verified (147 days)	S2	8.0.43 (MySQL Community Server - GPL)	Any	Any	Severe performance degradation with window function + joins (works fast in PostgreSQL/DuckDB/TiDB)
120271	2026-04-15 10:54	2026-06-04 8:42	MySQL Server: Optimizer	Verified (147 days)	S2	8.0.43 (MySQL Community Server - GPL)	Any (Docker container)	Any (x86_64)	Logic error: EXISTS subquery treated as constant TRUE yields different result than literal TRUE
120225	2026-04-07 13:40	2026-06-04 8:41	MySQL Server: Optimizer	Verified (147 days)	S2	8.0.43 (MySQL Community Server - GPL)	Any (Docker container)	Any (x86_64)	Inconsistent behavior between SELECT and DELETE/UPDATE with EXISTS and LEFT JOIN subquery
120224	2026-04-07 12:25	2026-06-04 8:41	MySQL Server: Optimizer	Verified (147 days)	S2	8.0.43 (MySQL Community Server - GPL)	Any (Docker container)	Any (x86_64)	Inconsistent row counts for DELETE vs SELECT with EXISTS and lateral subquery on the same table
120179	2026-03-30 10:54	2026-06-04 8:39	MySQL Server: Optimizer	Verified (147 days)	S2	8.0.43 (MySQL Community Server - GPL)	Any (Docker container)	Any (x86_64)	NoREC Test: COUNT(*) vs SUM(CASE...) produces inconsistent results with RIGHT JOIN + LEFT JOIN
120159	2026-03-26 11:41	2026-06-04 8:38	MySQL Server: Optimizer	Verified (147 days)	S2	8.0.43 (MySQL Community Server - GPL)	Any (Docker container)	Any (x86_64)	RIGHT JOIN + Complex Subqueries Returns Extra Rows
120152	2026-03-25 8:50	2026-06-04 8:38	MySQL Server: Optimizer	Verified (147 days)	S2	8.0.43 (MySQL Community Server - GPL)	Any (Docker container)	Any (x86_64)	Unexpected behavior of LEFT JOIN + empty subquery with NULL comparison in WHERE clause
119955	2026-02-27 5:03	2026-06-04 8:37	MySQL Server: Optimizer	Verified (147 days)	S2	8.0.43 (MySQL Community Server - GPL)	Any (Docker container)	Any (x86_64)	Semantically equivalent scalar expressions yield different result sets in WHERE clause involving RPAD()
119309	2025-11-05 13:37	2026-06-03 12:37	MySQL Server: Partitions	Verified (282 days)	S3	8.0.42	Any	Any	An insert prepared statement fails to write across partitions
120610	2026-06-03 12:00	2026-06-03 12:21	MySQL Server: InnoDB storage engine	Open (148 days)	S3	5.7	Any	Any	REPEATABLE READ: no-change UPDATE causes MVCC Rule 1 violation — transaction cannot see own modification
120602	2026-06-02 11:44	2026-06-03 8:05	MySQL Server: InnoDB storage engine	Verified (148 days)	S2	8.0.46, 8.4.9, 9.7.0	Any	Any	Memory leak in fil_ibd_same_as_default_path()
120598	2026-06-02 7:06	2026-06-02 7:07	MySQL Server: InnoDB storage engine	Open (149 days)	S3	8.0.46, 8.4.9	Linux	x86	Autoincrement problem
120597	2026-06-02 6:58	2026-06-02 6:58	MySQL Server: Performance Schema	Open	S5	8.0.46, 8.4.9	Linux	x86	performance_schema atomic values maintaining CPU cache-friendliness
120596	2026-06-02 6:37	2026-06-02 6:37	MySQL Server: InnoDB storage engine	Open	S5	8.0.46, 8.4.9	Linux	x86	WAIT_FOR_READ, WAIT_FOR_WRITE is stuck in the 2012
120594	2026-06-02 2:00	2026-06-02 2:00	MySQL Server: Packaging	Open	S3	8.4	Red Hat (10)	x86	The MySQL Server RPM install fails due to MariaDB 11.8 package conflicts not only on Fedora 42 but also on RHEL 10
119784	2026-01-27 0:53	2026-06-01 23:27	MySQL Server: Partitions	Open (275 days)	S3	8.0.42 and later	Any	Any	Fix partition pruning with non-constant defaults regression
101811	2020-12-01 3:44	2026-06-01 13:47	MySQL Server: Documentation	Verified (2152 days)	S2	8.0.22	CentOS	Any	replication interrupted when slave restart after crash
120527	2026-05-22 11:47	2026-06-01 9:39	MySQL Server: Optimizer	Verified (150 days)	S2	9.6.0	Linux	Any	FULLTEXT index scan with ORDER BY and numeric WHERE filter returns empty result set
120584	2026-06-01 5:18	2026-06-01 7:16	MySQL Server: Optimizer	Verified (150 days)	S2	8.0.45	Any	Any	Optimizer picks BIGINT gen col index for DECIMAL expression, BIGINT truncation falsely matches fractional values
120522	2026-05-22 6:39	2026-06-01 6:58	MySQL Server: Optimizer	Verified (150 days)	S5	9.7.0	Any	Any	Sub‑optimal execution plan for multi‑table row‑value IN condition leads to full index scan instead of index range scans
120579	2026-05-30 11:39	2026-06-01 6:53	MySQL Server: Optimizer	Verified (150 days)	S3	8.0.45	Any	Any	LIKE query returns inconsistent results with MyISAM prefix index
120290	2026-04-19 15:37	2026-06-01 6:32	MySQL Enterprise Monitor	Open	S3		Any	Any	i cannot import using import wizard and it is required
120580	2026-05-31 7:52	2026-06-01 6:21	MySQL Server: Optimizer	Verified (150 days)	S3	8.0.44	Any	Any	MyISAM prefix index causes incorrect range query result
120581	2026-05-31 9:02	2026-06-01 6:17	MySQL Server: Optimizer	Verified (150 days)	S2	8.0.44	MacOS	Any	unique index causes incorrect result for IN comparison with implicit type conversion
120582	2026-05-31 10:11	2026-06-01 6:13	MySQL Server: Optimizer	Verified (150 days)	S3	8.0.44	MacOS	Any	unique index causes incorrect result when comparing DOUBLE and BIGINT
120578	2026-05-30 9:05	2026-06-01 5:47	MySQL Server: Optimizer	Verified (150 days)	S3	8.0.45	Any	Any	Multiple-Column Index Creation Changes Query Results
120583	2026-06-01 2:10	2026-06-01 5:33	MySQL Server: Optimizer	Verified (150 days)	S2	9.7.0	Any	Any	JOIN_ORDER hint causes "Optimizer failed to find a plan" with a leading derived table and same table names in nested sql
120577	2026-05-30 7:58	2026-05-30 7:58	MySQL Server: MyISAM storage engine	Open	S3	8.0.45	Any	Any	drop index can lead to different results
120576	2026-05-30 7:15	2026-05-30 7:15	MySQL Server: MyISAM storage engine	Open	S3	8.0.45	Any	Any	drop index can lead to different results
120564	2026-05-29 6:43	2026-05-29 6:46	MySQL Server: InnoDB storage engine	Open	S3	9.7.0	Any	Any	InnoDB FTS: Off-by-one error in fts_init_index() causes unsynced document to be lost after crash recovery
120561	2026-05-28 11:11	2026-05-29 4:41	MySQL Server: DDL	Open (154 days)	S3	9.7/8.4/8.0	Any	Any	tablespace marked missing after rollback of copy-style ALTER
120457	2026-05-12 15:03	2026-05-28 1:13	MySQL Server: Optimizer	Patch pending (165 days)	S2	9.7	CentOS	x86	Hypergraph optimizer returns wrong results for LEFT JOIN LATERAL with SEMI JOIN when derived_merge
119164	2025-10-16 3:35	2026-05-28 1:13	MySQL Server: DML	Documenting (288 days)	S3	8.0.41	Any	Any	CASE expression evaluation incorrectly validates REGEXP_INSTR arguments when branch is not executed
119343	2025-11-10 8:40	2026-05-28 1:13	MySQL Server: Optimizer	Documenting (343 days)	S3	8.0	Any	Any	NOT BETWEEN evaluates incorrectlywhen FROM_UNIXTIME operates on a FLOAT column
118907	2025-08-28 8:09	2026-05-28 1:13	MySQL Cluster: Cluster (NDB) storage engine	In progress (415 days)	S2	8.4.X	Any	Any	The privileges of a user persisted by NDB_STORE_USER may be corrupted after upgrading from 8.0 to 8.4.
118984	2025-09-10 7:05	2026-05-28 1:13	MySQL Server: InnoDB storage engine	Patch pending (412 days)	S3	9.4.0	Any	Any	fts_optimize_read_deleted_doc_id_snapshot reads BEING_DELETED table twice
118723	2025-07-26 11:54	2026-05-28 1:13	MySQL Server: InnoDB storage engine	Patch pending (458 days)	S5	8.0.42	Any	Any	optimize for innodb insert
118867	2025-08-20 18:35	2026-05-28 1:13	MySQL Server: InnoDB storage engine	Patch pending (434 days)	S3	9.4	Any	Any	Contribution: Optimize NUMA Scheduling
118476	2025-06-18 8:45	2026-05-28 1:13	MySQL Server: DDL	Patch pending (498 days)	S2	8.0, 8.4	Red Hat	x86	Unable to create partition with name '1e3fRQM2GhI'
118693	2025-07-22 5:52	2026-05-28 1:13	MySQL Server: InnoDB storage engine	Patch pending (464 days)	S3	8.0.42	Any	Any	Increasing length of varchar field should be inplace.
118302	2025-05-29 16:46	2026-05-28 1:13	MySQL Server: InnoDB storage engine	Patch approved (517 days)	S3	9.0.0, 9.3.0	Any	Any	Contribution: Adding \'sb\' instruction to spin_delay() for ARM v8.5 onward
118337	2025-06-03 9:26	2026-05-28 1:13	MySQL Cluster: Cluster (NDB) storage engine	Patch pending (505 days)	S2		Any	Any	MySQL stuck during restart after restoring backup on NDB data nodes
117879	2025-04-03 21:05	2026-05-28 1:13	MySQL Cluster: Cluster (NDB) storage engine	Documenting (561 days)	S1	8.4.2	Ubuntu	Any	Signal 8 received; Floating point exception
117717	2025-03-16 5:05	2026-05-28 1:13	MySQL Server: InnoDB storage engine	Patch pending (592 days)	S2	8.0.41, 8.4.4, 9.2.0	Any	Any	Import Tablespace Fails Due to Inconsistent max_prefix in dict_col_t After Dropping Index
116620	2024-11-11 21:07	2026-05-28 1:13	MySQL Server: Logging	Patch approved (710 days)	S3	8.0.39, 8.0.40, 8.4.3, 9.1.0	Any	Any	Suboptimal Startup Info Logging with Many Tables (1M+).
116760	2024-11-23 13:44	2026-05-28 1:13	MySQL Server: InnoDB storage engine	Patch pending (703 days)	S2	8.0.40,8.4.3,9.1.0	Any	Any	Page deadlock occured when searching BTREE after nullable cols dropped by INSTAN
116305	2024-10-06 11:05	2026-05-28 1:13	MySQL Server: InnoDB storage engine	Patch pending (750 days)	S2	9.0	Any	Any	row_search_mvcc process wrong page of small buffer pool
116319	2024-10-09 6:50	2026-05-28 1:13	MySQL Server: InnoDB storage engine	Patch pending (750 days)	S2	8.0, 8.4, 8.0.39	Any	Any	When locks exhaust the BP, an incorret assert about semi_consistent causes crash
115614	2024-07-16 22:56	2026-05-28 1:13	MySQL Cluster: Cluster (NDB) storage engine	Patch pending (834 days)	S3		Any	Any	Contribution: Latency glitch fix
115107	2024-05-23 18:54	2026-05-28 1:13	MySQL Server: InnoDB storage engine	Patch approved (742 days)	S5	5.7, 8.0	Any	Any	Optimization in row_purge_poss_sec Function for Undo Purge Process
114116	2024-02-26 9:21	2026-05-28 1:13	MySQL Server: InnoDB storage engine	Patch pending (975 days)	S3	8.0.36	Any	Any	buffer pool online resize is blocked by the transaction hold the blocks
113815	2024-01-31 3:35	2026-05-28 1:13	MySQL Server: InnoDB storage engine	Patch pending (1002 days)	S3	8.0	Any	Any	MySQL auto increment ID will skip 4294967294
113952	2024-02-11 7:02	2026-05-28 1:13	MySQL Server: InnoDB storage engine	Patch pending (990 days)	S2	8.0, 8.3, 8.0.36	Any	Any	Updating multiple mediumtext columns causes "Undo log record is too big." error
111675	2023-07-06 8:36	2026-05-28 1:13	MySQL Server: Data Types	Documenting (1211 days)	S3	8.0	Any	Any	wrong result when compare timestamp with undependent subselect that return time
112201	2023-08-28 10:52	2026-05-28 1:13	MySQL Server: InnoDB storage engine	In progress (1158 days)	S3	8.0.34	Any	Any	Deadlock with show fields, alter, and select
109334	2022-12-12 0:33	2026-05-28 1:13	MySQL Server: InnoDB storage engine	In progress (1416 days)	S3	8.0.31, 8.4.7, 9.5.0	Any	Any	Incorrect index cardinality when innodb_stats_method=nulls_ignored
110429	2023-03-20 5:56	2026-05-28 1:13	MySQL Server: InnoDB storage engine	In progress (1319 days)	S3	8.0.31, 8.0.32	Any	Any	Incorrect autoinc in imported tablespace after restart server
111079	2023-05-18 18:01	2026-05-28 1:13	MySQL Server: InnoDB storage engine	Patch pending (1259 days)	S3	8.0	Any	Any	InnoDB SDI index description has fields out-of-order
107634	2022-06-22 14:22	2026-05-28 1:13	MySQL Server: Information schema	In review (1589 days)	S3	8.0.27, 8.0.29	Any	Any	`information_schema.routines.routine_definition` truncated on null character
108389	2022-09-05 16:16	2026-05-28 1:13	MySQL Server: Compiling	Patch pending (1514 days)	S2	8.0.30	SUSE (OpenSUSE 15.4)	ARM	Cannot compile with Performance schema disabled
106628	2022-03-03 7:30	2026-05-28 1:13	MySQL Server: InnoDB storage engine	Patch pending (1701 days)	S3	8.0.28	Any	Any	Tencent Cloud-Native Database team: trx_t with PREPARED state in trx_pools
107426	2022-05-30 7:59	2026-05-28 1:13	MySQL Server: InnoDB storage engine	In progress (1599 days)	S3	8.0	Any	Any	checksum table for innodb inconsistent
106082	2022-01-06 11:49	2026-05-28 1:13	MySQL Cluster: Cluster (NDB) storage engine	In progress (1745 days)	S3	8.0.27	Any	Any	Activating auto update of index stats activated bugs
106264	2022-01-24 16:33	2026-05-28 1:13	MySQL Server: Optimizer	Documenting (1738 days)	S2	5.7	Any	Any	Contribution by Tencent: Prevent badly stale rec_per_key for query optimization
106437	2022-02-10 23:42	2026-05-28 1:13	MySQL Server: Row Based Replication ( RBR )	Patch pending	S2	8.0.28	Any	Any	need an option to let applier thread ignore virtual columns on replica..
105234	2021-10-15 0:58	2026-05-28 1:13	MySQL Server: Replication	In progress (1828 days)	S3	8.0.26	Any	Any	START SLAVE UNTIL SQL_AFTER_GTIDS Does not Stop When Past GTID
105954	2021-12-21 19:26	2026-05-28 1:13	MySQL Cluster: Cluster (NDB) storage engine	Patch pending (1772 days)	S3	8.0.23-8.0.27	Any	Any	testMgmd -n UnresolvedHosts2 fails on OCI ARM machine
106003	2021-12-29 20:06	2026-05-28 1:13	MySQL Server: Optimizer	In progress (1764 days)	S3	8.0.27/5.7	Any	Any	MySQL does not use indexes correctly for backwards ORDER BY conditions
105044	2021-09-26 15:32	2026-05-28 1:13	MySQL Server: InnoDB storage engine	Patch pending (1858 days)	S5	8.0	Any	Any	Added page szie judgment logic like btr_cur_optimistic_insert in btr_insert_into
104785	2021-09-01 8:20	2026-05-28 1:13	MySQL Server: Replication	In progress (1883 days)	S3	MySQL8.0.26	Any	Any	backup lock causes binlog_expire_logs_seconds invalid when the binlog is flushed
100383	2020-07-30 15:34	2026-05-28 1:13	MySQL Server: InnoDB storage engine	In progress (2249 days)	S5	8.0	Any	Any	Improve InnoDB buffer pool initialization
100875	2020-09-17 10:00	2026-05-28 1:13	MySQL Package Repos	In progress (1464 days)	S3	7.6, 8.0.25	Debian	x86	MysqlCluster under Docker shows [unhealthy]
92556	2018-09-25 11:29	2026-05-28 1:13	MySQL Server: InnoDB storage engine	Patch pending (2955 days)	S1	8.0.12	Any	Any	[ERROR] [MY-011825] [InnoDB] ... the row size .. for a record on index leaf page
96722	2019-09-03 3:19	2026-05-28 1:13	MySQL Server: Logging	In progress (2515 days)	S3	5.6.28, 5.6.45, 5.7.27	Any	Any	Event does't record slow insert in slow log
99164	2020-04-02 18:11	2026-05-28 1:13	MySQL Server: mysqldump Command-line Client	In progress (2400 days)	S3	8.0.19	Any	Any	mysqldump --set-gtid-purged=COMMENTED should not disable binlogging.
91487	2018-06-29 9:19	2026-05-28 1:13	MySQL Server: Logging	In progress (3037 days)	S5	5.7.22, 8.0.13	Windows	Any	performance of fprintf is questionable - error logging improvable?
91646	2018-07-16 4:40	2026-05-28 1:13	MySQL Server: XA transactions	In review (3027 days)	S2	5.7.22, 8.0.11	Any	Any	xa command still operation when super_read_only is true
91022	2018-05-25 7:48	2026-05-28 1:13	MySQL Server: Tests	Patch pending (3079 days)	S3	8.0.11	Any	Any	audit_null.audit_plugin_bugs test always failing
84696	2017-01-27 18:46	2026-05-28 1:13	MySQL Visual Studio Integration	In progress (3429 days)	S3	1.2.6	Windows (Windows 10)	Any	MySQL Editor Prevents Pasting in Find and Replace
87129	2017-07-20 2:59	2026-05-28 1:13	Tests: Server	In progress (3324 days)	S3	8.0.2, 8.0.3	Any	Any	Unstable test main.basedir
88827	2017-12-08 1:30	2026-05-28 1:13	MySQL Server: InnoDB storage engine	In review (3132 days)	S3	5.6.35, 5.6.38, 5.7.20, 8.0.4	Any	Any	innodb uses too much space in the PK for concurrent inserts into the same table
68987	2013-04-17 21:48	2026-05-28 1:13	MySQL Server: InnoDB storage engine	In review (3633 days)	S3	5.6.10	Linux (CentOS 6.4)	Any	MySQL crash with InnoDB assertion failure in file pars0pars.cc
82428	2016-08-03 14:32	2026-05-28 1:13	MySQL Server: Compiling	In progress (3739 days)	S3	5.6	Any	Any	Check filesize read in rsa authentication plugin (5.6) (contribution)
82953	2016-09-12 18:58	2026-05-28 1:13	MySQL Server: Errors	In progress (3698 days)	S3	8.0.0	Any	Any	Server reports that database both exists and doesn't exist
81348	2016-05-08 16:52	2026-05-28 1:13	MySQL Server: Locking	In progress (3824 days)	S3	5.7	Any	Any	table_locks_waited not updated in MySQL 5.7
81840	2016-06-14 4:53	2026-05-28 1:13	MySQL Server: Replication	Patch pending	S2	5.6	Any	Any	Automatic Replication Recovery Does Not Handle Lost Relay Log Events
82007	2016-06-26 18:47	2026-05-28 1:13	Connector / NET	In progress (3770 days)	S1	6.9.8	Windows (Window 10)	Any	The method or operation is not implemented.
79379	2015-11-23 6:45	2026-05-28 1:13	MySQL Server: InnoDB storage engine	Patch pending (3956 days)	S3	5.7.9	Any	Any	Inconsistent innodb_buffer_pool_size handling
79683	2015-12-16 23:10	2026-05-28 1:13	MySQL Server: DML	In progress (3970 days)	S3		Any	Any	Few improvements related to CPU cache line size and padding (contribution)
80681	2016-03-10 7:24	2026-05-28 1:13	MySQL Server: DML	In progress (3884 days)	S3	5.7.11	CentOS	Any	Failing assertion: len <= fixed_len in in file rem0rec.cc line 886
77340	2015-06-12 22:34	2026-05-28 1:13	MySQL Server: Optimizer	In progress (3968 days)	S3	5.6.25, 5.7.7	Any	Any	Optimizer chooses wrong index for LEFT JOIN query
77849	2015-07-28 3:53	2026-05-28 1:13	MySQL Utilities: Binlog Events	In review (4111 days)	S3	1.0.0	Any	Any	Add missing decoding support for all data types in MySQL-5.5
70500	2013-10-03 6:29	2026-05-28 1:12	MySQL Server: InnoDB storage engine	In progress (2969 days)	S3	5.6.23	Any	Any	Page cleaner should perform LRU flushing regardless of server activity
74816	2014-11-12 12:28	2026-05-28 1:12	MySQL Server: DDL	In progress (4368 days)	S3	5.6.21, 5.6.23, 5.7.6	Any	Any	Work around for charset conversion with FKs can result in wrong data
76466	2015-03-23 23:09	2026-05-28 1:12	Connector / NET	In progress (3300 days)	S3	6.9.6	Windows	Any	Error parsing boolean's on eager load (EF)
73512	2014-08-08 21:35	2026-05-28 1:12	MySQL Server: InnoDB storage engine	In progress (4462 days)	S3	mysql-5.6.20, 5.6.21	Any	Any	No useful errormsg. when trying to set innodb table datadir to non-writable path
74303	2014-10-09 17:56	2026-05-28 1:12	MySQL Server: InnoDB storage engine	Patch pending (4400 days)	S3	5.7.5	Any	Any	commited rows are visible before log sync when binlog not used
74480	2014-10-21 11:44	2026-05-28 1:12	MySQL Server: DDL	In progress (4070 days)	S1	5.6.20-debug,5.6.26, 5.6.27, 5.6.28, 5.7.8 and 5.7.9	Linux (CentOS 7)	Any	Failing assertion: os_file_status(newpath, &exists, &type), os0file.cc line 1950
72615	2014-05-12 8:29	2026-05-28 1:12	Tools: MTR / mysql-test-run	Patch pending (4383 days)	S3	5.6+	Any	Any	MTR --mysqld=--default-storage-engine=foo incompatible w/ dynamically-loaded foo
73338	2014-07-21 8:56	2026-05-28 1:12	MySQL Server: Errors	Patch pending (4483 days)	S3	5.6, 5.7, 5.6.21	Any	Any	error message is not readable when setting innodb-force-recovery=6
73463	2014-08-04 11:37	2026-05-28 1:12	MySQL Server: Locking	Patch pending (4468 days)	S2	5.5.36, 5.6.21	Linux (Centos 5)	Any	Out of memory error when concurrently write locking tables with triggers
72258	2014-04-07 6:15	2026-05-28 1:12	MySQL Server: Tests	Patch approved (4588 days)	S3	5.6.17	Any	Any	unnecessary "set global innodb_monitor_enable = default" in some testcase
72351	2014-04-15 12:10	2026-05-28 1:12	MySQL Server: InnoDB Plugin storage engine	In progress (4579 days)	S2	5.6.16+	Any	Any	mysqld failed recovery for in-place upgrading from 5.5 to 5.6
71462	2014-01-23 22:58	2026-05-28 1:12	MySQL Server: Logging	Patch pending (4658 days)	S3	5.7.3, 5.6.17, 5.5.35	Linux	Any	mysqld_safe does not cooperate with log rotation when logging to a file
71630	2014-02-07 19:36	2026-05-28 1:12	MySQL Server: Partitions	Patch pending (4647 days)	S3	5.1, 5.5, 5.6, 5.7	Any	Any	Assertion `! is_set()' fails on UPDATE on a partitioned table with subquery
72222	2014-04-03 14:21	2026-05-28 1:12	MySQL Server: Partitions	Patch pending (4592 days)	S3	mysql-5.5.35; mysql-5.6.16	Linux	Any	Strange interaction of SQL_MODE=ANSI and partition by TIMESTAMP
69799	2013-07-19 23:28	2026-05-28 1:12	Tools: MTR / mysql-test-run	Patch pending (4849 days)	S3	5.5,5.6	Any	Any	MTR does not check for warnings in the test log
70265	2013-09-06 18:10	2026-05-28 1:12	MySQL Server: Partitions	In progress (4798 days)	S5	5.6.13	Any	Any	Optimizer under-estimates rows when there are many unmatched partitions
71130	2013-12-11 20:43	2026-05-28 1:12	MySQL Server: Replication	In progress (4699 days)	S5	5.6.15	Any	Any	5.6 SQL thread is much slower than 5.1/5.5
68825	2013-04-01 16:28	2026-05-28 1:12	MySQL Server: Optimizer	In progress (4076 days)	S5	5.6.10	Any	Any	performance regressions for single-threaded workloads
69350	2013-05-30 5:44	2026-05-28 1:12	MySQL Server: Optimizer	In progress	S5	5.6	Any	Any	performance regression between 5.5 and 5.6 for simple statement in routine loop
69448	2013-06-12 10:19	2026-05-28 1:12	Connector / ODBC	Patch pending (4518 days)	S3	5.2.2	Any	Any	MySQL ODBC drivers incorrectly quotes TableName when calling SQLPrimaryKeys
67351	2012-10-24 8:02	2026-05-28 1:12	MySQL Server: Partitions	In progress (5080 days)	S2	5.5.27-29.0	Linux	Any	Cardinality samples of partitioned tables sometimes widely off
67422	2012-10-30 13:50	2026-05-28 1:12	MySQL Server: Options	Patch pending	S3	5.5.28	Linux	Any	mysqld fails to switch DNS resolver if thread_cache_size > 0
67924	2012-12-17 15:01	2026-05-28 1:12	MySQL Server: Locking	In progress (5064 days)	S2	5.1.59, 5.5.24	Linux	Any	Row lock isn't released after evaluating WHERE condition in READ COMMITTED
64391	2012-02-21 7:42	2026-05-28 1:12	MySQL Server: Federated storage engine	In progress (5357 days)	S2	5.1.59, 5.5.23, 5.6.5, 5.0.96	Linux (open suse 11.2)	Any	Select from federated table with order by clause returns no rows
66477	2012-08-21 3:29	2026-05-28 1:12	Connector / NET	In review (5144 days)	S3	6.6.1	Any	Any	Also Cache 'SHOW COLLATION' when 'CacheServerProperties' is true
60951	2011-04-22 11:21	2026-05-28 1:12	MySQL Server: Locking	In progress (5564 days)	S2	5.1.55-community-log, 5.1.59, 5.6.3	Any	Any	DELETE statement locks
62907	2011-10-24 10:53	2026-05-28 1:12	MySQL Server: Tests	Patch pending (5483 days)	S3	5.5.16	Linux	Any	mysql_plugin.test fails on a RPM-based install.
60343	2011-03-04 16:39	2026-05-28 1:12	MySQL Server: Tests	In progress (5525 days)	S3	5.5	Any	Any	where are the crash recovery tests?
60481	2011-03-15 21:56	2026-05-28 1:12	MySQL Server: Command-line Clients	In progress (5697 days)	S3	5.0.80, 5.1.57, 5.6.3	Any	Any	mysql misprocesses lines longer than MAX_BATCH_BUFFER_SIZE
57188	2010-10-01 21:58	2026-05-28 1:12	MySQL Server: Archive storage engine	Patch pending (5872 days)	S3	5.1.51, 5.5.6	Any	Any	checksum table gives 0 until 'show table status' is run against the table
58089	2010-11-09 18:40	2026-05-28 1:12	MySQL Server: Views	Patch pending (5822 days)	S3	5.1.49-2-log, 5.0, 5.1, 5.6.99	Linux (Debian)	Any	CREATE VIEW refuses WITH CHECK OPTION for updatable view
53588	2010-05-11 22:59	2026-05-28 1:12	MySQL Server: DDL	Patch pending (3208 days)	S3	5.5/5.6/5.7/8.0	Linux (Ubuntu, Synology OS)	Any	Blackhole : Specified key was too long; max key length is 1000 bytes
47118	2009-09-04 1:35	2026-05-28 1:12	MySQL Server: General	Patch pending (2164 days)	S1	5.1.39, 5.1.37, 5.0.83,8.0.22, 5.6.10	Any	Any	Wrong auto_increment value when auto_increment_offset > auto_increment_increment
53280	2010-04-29 7:36	2026-05-28 1:12	MySQL Cluster: Cluster (NDB) storage engine	In progress (5984 days)	S3	mysql-5.1-telco-6.3	Any	Any	ndb_mgm client does bash-like auto-completion
53538	2010-05-10 11:43	2026-05-28 1:12	Tools: Random Query Generator	In progress	S3		Any	Any	Tables/views missing from generated tests where views are used in a query
45727	2009-06-24 19:04	2026-05-28 1:12	Tests: Server	In progress	S3	5.4	Any	Any	Parts of index_merge_innodb.test are disabled due to EXPLAIN diffs
46493	2009-07-31 13:06	2026-05-28 1:12	MySQL Server: MyISAM storage engine	Patch pending (6075 days)	S3	5.1-bzr	Any	Any	CHECKSUM TABLE EXTENDED returns different value from QUICK if ROW_FORMAT=FIXED
44348	2009-04-17 19:58	2026-05-28 1:12	MySQL Server	In progress (6271 days)	S3	5.0.79, 5.0 bzr	Linux (RHEL-5)	Any	Patch for bug #40363 causes regression test failure
44763	2009-05-09 20:07	2026-05-28 1:12	MySQL Cluster: Cluster (NDB) storage engine	In progress (6079 days)	S3	mysql-5.1-telco-6.3	Any	Any	ndb_restore - timestamp data is printed in wrong format when using --print-data
35405	2008-03-18 15:30	2026-05-28 1:12	MySQL Server: General	In progress (6799 days)	S3	5.1,6.0	Any	Any	myisam_block_size/KEY_BLOCK_SIZE handled inconsistently
36747	2008-05-16 2:08	2026-05-28 1:12	MySQL Server: Tests	Patch pending (6678 days)	S3	6.0,5.4	Any	Any	Allocating a large query cache is not deterministic
27180	2007-03-15 15:49	2026-05-28 1:12	MySQL Server: Federated storage engine	In progress (6868 days)	S1	mysql Ver 14.12 Distrib 5.0.24a	Linux (Linux Ubuntu)	Any	#1030 - Got error 1 from storage engine with big tables
104653	2021-08-18 10:11	2026-05-28 1:10	MySQL Server: DML	Documenting (1898 days)	S3	8.0.26, 5.7.35	Any	Any	extract result incorrect
120558	2026-05-27 11:21	2026-05-27 11:41	MySQL Server: InnoDB storage engine	Open (155 days)	S3	8.4.8	Any	Any	Redo log archiving started by dead connection cannot be disabled later
120555	2026-05-27 8:22	2026-05-27 11:39	MySQL Server: Optimizer	Verified (155 days)	S2	8.0.45	Ubuntu	Any	Equivalent VIEW and CTE queries return different row counts with EXISTS, BINARY ENUM comparison, and LEFT JOIN
120389	2026-05-01 2:10	2026-05-27 6:49	MySQL Server: Command-line Clients	Open	S3	9.7	Any	Any	HELP result contains the link to MySQL 9.1
120495	2026-05-18 16:12	2026-05-27 6:34	MySQL Server: Optimizer	Verified (155 days)	S5	9.7.0	Any	Any	Incorrect Cardinality Estimation for Index Lookup with Equality Predicate on the Index Column
120543	2026-05-25 9:57	2026-05-27 5:37	MySQL Server: Optimizer	Verified (155 days)	S2	8.4.8	Any	Any	MySQL `MERGE` vs `TEMPTABLE` view evaluation changes `MAX(SET)` result
120535	2026-05-24 5:29	2026-05-26 12:42	MySQL Server: Optimizer	Verified (156 days)	S3	8.0.45	Any	Any	Incorrect Query Result: IN and NOT IN return the same row simultaneously (boolean logic violation)
120534	2026-05-24 5:19	2026-05-26 12:26	MySQL Server: Optimizer	Verified (156 days)	S3	8.0.45	Any	Any	Wrong Query Result Due to Incorrect Evaluation of GREATEST() with Mixed Types in OR (\|\|) Boolean Context
120533	2026-05-23 12:35	2026-05-26 8:30	MySQL Server: Optimizer	Verified (156 days)	S2	8.0.45	Ubuntu	x86	A LEFT JOIN over DECIMAL ZEROFILL UNIQUE wrongly loses an obvious match
120531	2026-05-23 12:33	2026-05-26 7:24	MySQL Server: Optimizer	Verified (156 days)	S2	8.0.45	Ubuntu	x86	A NULL comparison inside an IN subquery becomes spuriously true in the original path
120526	2026-05-22 11:47	2026-05-26 6:59	MySQL Server: Optimizer	Verified (156 days)	S3	8.0.43	Any	Any	Wrong result for IN subquery involving CURRENT_USER(), BIT column, and UNIQUE prefix index
120524	2026-05-22 9:40	2026-05-26 6:27	MySQL Server: Optimizer	Verified (156 days)	S2	8.0.45	Ubuntu (Ubuntu 20.04.4 LTS)	x86 (Intel(R) Xeon(R) Platinum 8358P @ 2.60GHz (64 Cores, 96MB L3 Cache))	Materialized Correlated EXISTS Returns Positive COUNT(*) But No Rows for Implicit VARCHAR-to-YEAR Comparison
120520	2026-05-21 16:34	2026-05-25 19:58	MySQL Server: Optimizer	Verified (157 days)	S3	8.0.43	Any	Any	Wrong result for IS NOT UNKNOWN when NULLIF() uses CURRENT_USER() as an argument
120519	2026-05-21 15:49	2026-05-25 19:43	MySQL Server: Optimizer	Verified (157 days)	S3	8.0.43	Any	Any	Wrong result for BETWEEN predicate with LONGBLOB prefix PRIMARY KEY and implicit type conversion
120539	2026-05-24 15:26	2026-05-24 15:26	MySQL Server: FULLTEXT search	Open	S2	9.6.0	Linux	Any	Duplicate FULLTEXT index on a column returns wrong MATCH...AGAINST results when combined with a STORED generated column
120482	2026-05-15 10:46	2026-05-24 15:09	MySQL Server: Data Dictionary	Open (163 days)	S2	8.4.9	Linux (Red Hat Enterprise Linux 9.6 (Plow )	x86	Upgrade from 8.0.35 to 8.0.45 or 8.4.9 failed due [ERROR] [MY-013135] and [Warning] [MY-014078]
120515	2026-05-21 10:36	2026-05-21 11:55	MySQL Server: Optimizer	Verified (161 days)	S3	8.0	Any	Any	Wrong result for NOT BETWEEN involving interval arithmetic and implicit type conversion
120512	2026-05-21 7:43	2026-05-21 11:23	MySQL Server: Optimizer	Verified (161 days)	S3	8.0	Any	Any	ALL quantified comparison involving implicit numeric conversion of BLOB values
120511	2026-05-21 7:24	2026-05-21 8:26	MySQL Server: Optimizer	Verified (161 days)	S3	8.0.46	Ubuntu	x86	LEFT JOIN ON with IN (empty subquery) produces a spurious match
120499	2026-05-20 5:02	2026-05-20 5:02	MySQL Server: Stored Routines	Open	S2	9.6.0	Linux	x86 (AMD EPYC 9K65)	Recursive stored procedure with max_sp_recursion_depth >= 250 crashes mysqld
120493	2026-05-18 14:26	2026-05-19 19:53	MySQL Server: Optimizer	Verified (163 days)	S3	8.0	Any	Any	Wrong result for SOME quantified comparison in WHERE clause
120435	2026-05-11 7:21	2026-05-19 14:18	MySQL Server: DDL	Open	S3		Any	Any	Add DDL Triggers Support in MySQL
120491	2026-05-18 5:53	2026-05-18 12:22	MySQL Server: Optimizer	Verified (164 days)	S2	8.0.46	CentOS	Any	Semijoin returns wrong results for VARCHAR-to-DECIMAL comparison with non-canonical numeric strings
120477	2026-05-14 15:50	2026-05-18 10:26	MySQL Server: Optimizer	Verified (164 days)	S5	9.7.0	Any	Any	Index Not Used for HAVING Without GROUP BY or aggregate functions
120475	2026-05-14 9:09	2026-05-18 10:20	MySQL Server: Optimizer	Verified (164 days)	S2	8.0.46	Linux	Any	Index Merge Intersection incorrectly drops matching rows in SELECT with OR predicate, returning wrong result count
120469	2026-05-13 17:00	2026-05-18 9:12	MySQL Server: InnoDB storage engine	Open	S3		Any	Any	Contribution: Fix ut_error() at ENABLE INNODB REDO_LOG when innodb_checkpo ...
120467	2026-05-13 15:57	2026-05-18 9:09	MySQL Server: InnoDB storage engine	Open	S3	8.0.45	Any	Any	dd_open_fk_tables function heap-use-after-free
120490	2026-05-18 3:24	2026-05-18 8:26	MySQL Server: Optimizer	Verified (164 days)	S5	9.7.0	Any	Any	Join Not Eliminated When Constant Table is Empty Due to PrimaryKeyCol IN (NULL) Condition
120476	2026-05-14 11:53	2026-05-18 8:25	MySQL Server: Optimizer	Verified (164 days)	S2	9.6.0	Linux	Any	Index Merge Union returns duplicate row for overlapping OR conditions, producing wrong result count
120488	2026-05-17 11:04	2026-05-18 7:14	MySQL Server: Group Replication	Open	S2	8.4.9	Linux (rocky linux 9.7)	x86 (9.7)	MySQL 8.4 Group Replication memory pools not released to OS srv_worker_thread 44,772x total/current ratio; xcom_cache ho
120456	2026-05-12 15:02	2026-05-17 23:00	MySQL Server: Optimizer	Verified (165 days)	S2	8.0.46	Linux	Any	Semijoin Nested Loop index lookup uses raw VARCHAR keys against a DOUBLE B-tree, causing mismatches when the string over
120489	2026-05-17 16:24	2026-05-17 16:24	MySQL Cluster: Cluster (NDB) storage engine	Open	S3	MySQL 9.6.0, commit 447eb26e094b444a88c5	Any	Any	MgmApiSession queries peer address from a moved-from NdbSocket
120484	2026-05-16 8:00	2026-05-16 10:01	Connector / ODBC	Open (166 days)	S3	9.7	Windows (Pro)	x86	The number of attributes is larger than the number of attribute values provided
119986	2026-03-05 11:29	2026-05-15 12:08	MySQL Server: InnoDB storage engine	Open (237 days)	S3	8.4.7	Any	Any	Value of sys var temptable_max_mmap not honored unless temptable_use_mmap is ON
118999	2025-09-12 10:03	2026-05-15 3:40	MySQL Server: Locking	Verified (189 days)	S3	8.4.6	Linux	Any	Unexpected background histogram update warnings(MY-015116)
120466	2026-05-13 11:23	2026-05-13 11:23	Connector / ODBC	Open	S2	MySQL ODBC 9.6	Any	x86	MySQL ODBC Driver 9.6 crashes when calling SQLColAttribute(SQL_DESC_TYPE_NAME) on wide result sets
119759	2026-01-22 18:55	2026-05-12 20:31	MySQL Server: InnoDB storage engine	Open (280 days)	S2	8.0.42	Any	Any	InnoDB allow reads on non-durable data, which can be lost after crash(visibility before durability window)
120274	2026-04-16 5:53	2026-05-12 6:59	MySQL Server: Connection Handling	Open	S2	8.4.6	Red Hat (Rocky Linux 8.8)	x86 (4.18.0-477.27.1.el8_8.x86_64)	Specific account authentication permanently fails with "Public Key Retrieval is not allowed" after FLUSH PRIVILEGES
120278	2026-04-17 2:44	2026-05-12 2:31	MySQL Server: Replication	Open (170 days)	S2	8.0.44 8.4.9	Any	Any	mts_event_coord_cmp() uses strcmp() for binlog filename comparison, causing incorrect ordering when binlog index exceeds
120414	2026-05-07 15:19	2026-05-11 12:42	MySQL Server: InnoDB storage engine	Open (171 days)	S5	8.0.32 - 9.7	Any	Any	InnoDB performance regression because of validate_rec_offset
120419	2026-05-08 7:50	2026-05-08 19:26	MySQL Server: Optimizer	Verified (174 days)	S3	8.0.46	Linux	Any	rematerialized temptable cause wrong order
119471	2025-11-27 17:03	2026-05-06 17:03	MySQL Server: Connection Handling	Open (176 days)	S2	8.4.7	Ubuntu (25.10 questing)	x86 (64 bits)	"Bad handshake" during each connection to a replication source server
120410	2026-05-06 12:31	2026-05-06 12:31	MySQL Enterprise Backup	Open	S3	9.7	Windows (Windows Server 2022)	Any	MySQL Enterprise Backup fails on Windows when using component_keyring_aws
120406	2026-05-06 4:46	2026-05-06 9:43	MySQL Server: Documentation	Verified (176 days)	S3		Any	Any	Inconsistent GBK-to-utf8mb4 conversion between implicit INSERT ... SELECT assignment and explicit CONVERT()
120268	2026-04-14 19:38	2026-05-05 13:11	MySQL Server: Documentation	Verified (177 days)	S1	5.7, 8.0, 8.4, 9.x	Any	Any	Clarify Symbolic Link Usage and Alternative for InnoDB
120402	2026-05-04 21:49	2026-05-04 21:49	Connector / ODBC	Open	S3	9.6.0-1ubuntu22.04	Ubuntu (24.04)	x86 (64-bit)	Wrong COLUMN_SIZE reported for datetime columns
120400	2026-05-04 17:19	2026-05-04 17:46	MySQL Server: Documentation	Open (178 days)	S3		Any	Any	Docs for innodb_sort_buffer_size are wrong or confusing
120399	2026-05-04 9:31	2026-05-04 9:31	MySQL Server: Packaging	Open	S2	9.7.0	Any	Any	missing build dependency: lz4-devel
120398	2026-05-04 9:29	2026-05-04 9:29	MySQL Server: Packaging	Open	S2	9.7.0	Any	Any	missing build dependency: libevent-devel
120397	2026-05-04 9:27	2026-05-04 9:27	MySQL Server: Packaging	Open	S2	9.7.0	Any	Any	missing build dependency: libzstd-devel
120396	2026-05-04 9:22	2026-05-04 9:22	MySQL Server: Packaging	Open	S3	9.7.0	Any	Any	Bogus dates in changelog
120394	2026-05-04 5:31	2026-05-04 5:31	MySQL Server: Packaging	Open	S2	9.7.0	Any	Any	missing build dependency: libedit-devel
120388	2026-04-30 19:36	2026-05-01 9:44	MySQL Server: InnoDB storage engine	Open	S5	8.4.9	Oracle Linux (9.5)	x86	High contention on InnoDB per-page BUF_BLOCK_MUTEX during concurrent range-selects to same row/page
120348	2026-04-27 4:37	2026-04-30 12:52	MySQL Server: Documentation	Open	S3	9.7	Any	Any	Doc Request: What Is New in MySQL 9.7 between MySQL 8.4 LTS and MySQL 9.7 LTS
120352	2026-04-27 9:34	2026-04-28 4:26	MySQL Server: Optimizer	Verified (184 days)	S2	9.6.0	Linux	Any	Prefix index with length 1 causes incorrect "Zero rows" optimization with float overflow literal in range condition
120294	2026-04-19 17:16	2026-04-27 14:11	MySQL Server: Optimizer	Verified (185 days)	S3	9.6.0; 8.0.45	Any	Any	Inconsistent fractional seconds precision (FSP) for TIME function results between VIEW and CTE
120293	2026-04-19 17:10	2026-04-27 14:10	MySQL Server: Optimizer	Verified (185 days)	S1	9.6.0; 8.0.45	Any	Any	Query result inconsistency between VIEW and CTE involving a UNION of scalar aggregation and grouped aggregation
120292	2026-04-19 17:01	2026-04-27 14:09	MySQL Server: Optimizer	Verified (185 days)	S2	9.6.0; 8.0.45	Any	Any	Inconsistent results between VIEW and CTE involving IN subquery and RIGHT JOIN
48326	2009-10-26 18:03	2026-04-27 13:56	MySQL Server: General	Verified (6183 days)	S2	5.0.75, 5.1 bzr	Linux (5.0.75-0ubuntu10.2-log)	Any	current_timestamp and now() don't produce the same value for a given statement
120291	2026-04-19 16:45	2026-04-27 13:16	MySQL Server: Optimizer	Verified (185 days)	S2	9.6.0	Any	Any	Inconsistent results between VIEW and CTE involving EXISTS subquery and LEFT JOIN
120344	2026-04-26 6:43	2026-04-27 4:04	MySQL Server: Optimizer	Verified (185 days)	S2	9.6.0	Any	Any	VIEW and equivalent CTE return different results with UNION, YEAR(0), and repeated reference in subquery
103218	2021-04-06 9:02	2026-04-26 18:44	MySQL Server: Optimizer	Verified (186 days)	S3	8.0.45	Any	Any	Comparing datetime with year doesn't result in sensible result nor warning/error
120317	2026-04-22 5:59	2026-04-24 5:55	MySQL Package Repos	Open (188 days)	S2	9.7.0	Any	Any	Upgrading from MySQL 9.6 to 9.7 with yum doesn't work as expected
114617	2024-04-10 20:34	2026-04-23 20:09	Connector / NET	Verified (931 days)	S3		Any	Any	Contribution: WIP Ensure sql statements end up in ActivitySource
120315	2026-04-22 3:29	2026-04-23 16:44	MySQL Package Repos	Open	S1		Red Hat (9.7)	Any	mysql-community.repo update silently enables 9.7 LTS
117304	2025-01-27 16:09	2026-04-23 12:45	MySQL Server: Connection Handling	Verified (640 days)	S3	8.0	Any	Any	Contribution: mysql.h: include plugin_auth_common.h for net_async_status en ...
120327	2026-04-23 7:46	2026-04-23 12:40	MySQL Server: Replication	Open	S2	MySQL 8.4	Any	Any	Unsigned integer wraparound in Binlog_sender::run() when binlog_row_event_max_size is set to a large value
106113	2022-01-08 6:52	2026-04-23 12:23	MySQL Server: Replication	Verified (1755 days)	S2	8.0.27, 5.7.36	Any	x86	Contribution by Tencent: insert on duplicate key cause 1032 replication error in
120330	2026-04-23 8:55	2026-04-23 8:55	MySQL Package Repos	Open	S3		Debian (13)	Any	component missing
120322	2026-04-22 12:47	2026-04-23 5:14	MySQL Server: Components / Services	Open	S3		Linux (any kernel with IPv6 module compiled-in but disabled via sysctl)	Any	IPv6 detection is insufficient when IPv6 is disabled via sysctl
120324	2026-04-22 13:23	2026-04-22 13:23	MySQL Package Repos	Open	S3		Ubuntu (24.04)	Any	Ubuntu package "mysql-apt-config" non-standard menu system
120272	2026-04-15 11:21	2026-04-22 9:30	MySQL Server: InnoDB storage engine	Verified (190 days)	S2	8.0.45	Any	Any	ddl stuck in Waiting for clone PAGE_COPY state
120318	2026-04-22 6:31	2026-04-22 6:31	MySQL Server: InnoDB storage engine	Open	S3	9.6.0	Linux	Any	InnoDB partition statistics not auto-updated after ALTER TABLE REORGANIZE PARTITION
120313	2026-04-21 17:11	2026-04-22 4:43	MySQL Server: Optimizer	Verified (190 days)	S1	9.6	Linux (Observed on Linux via the `mysql:9.6` )	Any	Wrong result when only GROUP BY key order is changed in a join query with nested window-function input
120312	2026-04-21 16:58	2026-04-22 4:40	MySQL Server: Optimizer	Verified (190 days)	S2	9.6	Linux (Observed on Linux via the `mysql:9.6` )	Any	Wrong result for MIN(TIME) UNION ALL DATE after view extraction
120311	2026-04-21 16:52	2026-04-22 4:38	MySQL Server: Optimizer	Verified (190 days)	S2	9.6	Linux (Observed on Linux via the `mysql:9.6` )	Any	Wrong result for grouped SUM(DISTINCT ...) with DENSE_RANK() after view extraction
120310	2026-04-21 16:45	2026-04-22 4:34	MySQL Server: Optimizer	Verified (190 days)	S2	9.6	Linux (Observed on Linux via the `mysql:9.6` )	Any	Wrong result for MAX(BIT(8)) UNION ALL BLOB after view extraction in a window-function workload
120308	2026-04-21 14:03	2026-04-22 4:27	MySQL Server: Optimizer	Verified (190 days)	S2	9.6	Linux (Observed on Linux via the `mysql:9.6` )	Any	Wrong result for string-vs-`BIT` comparison in a window-function query
120307	2026-04-21 14:02	2026-04-22 4:23	MySQL Server: Optimizer	Verified (190 days)	S2	9.6	Linux (Observed on Linux via the `mysql:9.6` )	Any	Wrong result for `<= ANY (subquery)` in a window-function query
120306	2026-04-21 2:23	2026-04-21 5:49	MySQL Server: DDL	Verified (191 days)	S3	8.0.43	Any	Any	ALGORITHM=INPLACE allows creating a VIRTUAL GENERATED COLUMN with invalid expressions for existing data, causing subsequ
120181	2026-03-30 21:14	2026-04-20 13:09	MySQL Server: Replication	Open	S3		Any	Any	Contribution: Fix stale sql_mode values in Query_event Doxygen documentatio ...
120302	2026-04-20 9:51	2026-04-20 11:26	MySQL Server: Optimizer	Verified (192 days)	S2	9.6.0	Any	Any	Inconsistent results between VIEW and CTE involving YEAR(DATETIME), UNION, and JOIN.
120300	2026-04-20 9:02	2026-04-20 11:03	MySQL Server: Optimizer	Verified (192 days)	S2	8.0.45	Any (Observed on Linux via the `mysql:9.6` )	Any	Window function logic mismatch across engines
120299	2026-04-20 9:00	2026-04-20 10:41	MySQL Server: Optimizer	Verified (192 days)	S2	9.6	Linux (Observed on Linux via the `mysql:9.6` )	Any	mismatch in `DELETE ... EXISTS` under window function query
120297	2026-04-20 8:44	2026-04-20 10:04	MySQL Server: Optimizer	Verified (192 days)	S2	8.0.32	Any	Any	query_term.cc:320 assert(false) crash — UNION query triggers unhandled AccessPath
120296	2026-04-20 7:50	2026-04-20 9:24	MySQL Server: Optimizer	Verified (192 days)	S2	8.0.45	Ubuntu (Ubuntu 20.04.4 LTS)	x86 (Intel(R) Xeon(R) Platinum 8358P @ 2.60GHz (64 Cores, 96MB L3 Cache))	Materialized Correlated EXISTS Loses Implicit VARCHAR-to-YEAR Coercion,Causing Plan-Dependent Result Divergence
120289	2026-04-19 14:35	2026-04-20 8:13	MySQL Server: Optimizer	Verified (192 days)	S2	9.6	Linux (Observed on Linux via the `mysql:9.6` )	Any	Mismatch in indexed `IN` under windows function query
120288	2026-04-19 14:29	2026-04-20 8:04	MySQL Server: Optimizer	Verified (192 days)	S2	8.0.45	Linux (Observed on Linux via the `mysql:9.6` )	Any	Window function logic mismatch in indexed `NOT IN`
120286	2026-04-19 5:14	2026-04-20 7:53	MySQL Server: Optimizer	Verified (192 days)	S2	8.0.45	Any	Any	`SUM(DISTINCT pk)` returns `NULL` with a window function when a secondary index is used for group-by scanning
120284	2026-04-18 15:46	2026-04-20 7:33	MySQL Server: Optimizer	Verified (192 days)	S2	8.0.45	Ubuntu (Ubuntu 20.04.4 LTS)	x86 (Intel(R) Xeon(R) Platinum 8358P @ 2.60GHz (64 Cores, 96MB L3 Cache))	Materialized `IN (subquery)` Loses VARCHAR-to-YEAR Coercion,Causing Plan-Dependent Result Divergence
120275	2026-04-16 7:10	2026-04-20 6:51	MySQL Server: Optimizer	Verified (192 days)	S2	8.0.45	Ubuntu (Ubuntu 20.04.4 LTS)	x86 (Intel(R) Xeon(R) Platinum 8358P @ 2.60GHz (64 Cores, 96MB L3 Cache))	DATE Index Lookup Loses Existing JOIN Matches Even with Explicit CAST(MEDIUMTEXT AS DATE), Causing S1/S2 Divergence
118560	2025-06-30 11:58	2026-04-17 12:01	MySQL Server: DDL	Verified (486 days)	S3	8.0, 8.4	Any	Any	drop full text can not instant
120281	2026-04-17 9:21	2026-04-17 11:32	MySQL Server: Replication	Open (195 days)	S2	8.0.42	Linux (any)	Any	replica_preserve_commit_order causes infinite deadlock in group commit pipeline, blocking all application writes
120270	2026-04-15 9:49	2026-04-16 21:20	MySQL Server: Optimizer	Verified (196 days)	S1	8.0.45	Any	Any	Incorrect result for INTERSECT ALL with semantically equivalent EXCEPT operands when right EXCEPT left operand is wrap
104587	2021-08-10 23:57	2026-04-16 20:07	MySQL Server: Logging	Verified (1905 days)	S3	8.0.26	Linux	Any	Warning should be removed from the error log when tls_version is empty
120198	2026-04-01 7:45	2026-04-16 14:30	MySQL Server: Replication	Verified (196 days)	S3	8.0.45	Any	Any	Lost gtid after crash recovery
119974	2026-03-03 2:29	2026-04-16 2:50	MySQL Server: InnoDB storage engine	Open (240 days)	S3	8.0, 8.4, 9.6	Any	Any	inplace algorithm dropping multi full text indexes only drops FTS AUX tables of the last index, leading orphaned tables
118011	2025-04-18 13:26	2026-04-16 2:26	MySQL Server: Data Types	Verified (554 days)	S3	8.0.41	Any	Any	Timestamp literals with fractional seconds and time zone offset do not convert correctly
108436	2022-09-08 16:16	2026-04-15 8:24	MySQL Server: Errors	Verified (1511 days)	S3	8.0.30, 5.7.39	Any	Any	typo in ER_IB_MSG_RECOVERY_CHECKPOINT_OUTSIDE_LOG_FILE
109635	2023-01-14 17:42	2026-04-14 18:19	MySQL Server: Logging	Verified (1382 days)	S3	8.0, 8.0.31	Any	Any	Invalid Warning error logs: Plugin sha256_password reported information
117044	2024-12-25 8:49	2026-04-14 17:51	MySQL Server: DDL	Verified (672 days)	S3	8.0.40	Any	Any	Builder::finish forgets to record MLOG_INDEX_LOAD for DDL need rebuild table
120263	2026-04-14 5:30	2026-04-14 10:56	MySQL Server: JSON	Verified (198 days)	S2	8.0.45	Any	Any	Inconsistent results for query with JSON_CONTAINS and CAST(... AS SIGNED)
120265	2026-04-14 8:24	2026-04-14 9:47	MySQL Server: Optimizer	Verified (198 days)	S1	9.6.0	Any	Any	Query returns with UNION, INTERSECT ALL and Derived SELECT DISTINCT
120266	2026-04-14 9:12	2026-04-14 9:12	MySQL Server: Replication	Open	S3	MySQL 8.4	Any	Any	Replication delay when SQL thread skips large already-executed transactions
119270	2025-10-30 9:12	2026-04-14 8:43	MySQL Server: Replication	Open	S3	MySQL8.0,5.7	Any	Any	Single-statement transactions can cause latency spikes on the replica
120259	2026-04-14 2:43	2026-04-14 4:49	MySQL Server: Optimizer	Verified (198 days)	S2	8.4.8	Any	Any	CREATE VIEW materialization changes byte-valued UNION results
120258	2026-04-14 2:07	2026-04-14 4:45	MySQL Server: Optimizer	Verified (198 days)	S2	8.4.8	Any	Any	CREATE VIEW materialization changes NULL aggregate outputs into numeric values after GROUP BY
120256	2026-04-13 11:44	2026-04-13 12:48	MySQL Server: Optimizer	Verified (199 days)	S2	8.4.8	Any	Any	CREATE VIEW materialization turns zero datetime values into runtime timestamps in UNION ALL output
120253	2026-04-13 9:14	2026-04-13 10:18	MySQL Server: Optimizer	Verified (199 days)	S3	8.0.45	Ubuntu (Ubuntu 20.04.4 LTS)	x86 (Intel(R) Xeon(R) Platinum 8358P @ 2.60GHz (64 Cores, 96MB L3 Cache))	Index Lookup Skips CAST for LONGTEXT-to-DATE Coercion in JOIN,Causing Plan-Dependent Result Divergence
98737	2020-02-25 14:38	2026-04-13 8:48	MySQL Server: Compiling	Verified (2431 days)	S5		Any	ARM	my_convert routine is suboptimal in case of non-x86 platforms
120251	2026-04-12 11:47	2026-04-13 4:58	MySQL Server: DDL	Verified (199 days)	S2	9.6.0	Any	Any	REPLACE INTO silently bypasses ON DELETE FK rules with innodb_native_foreign_keys=OFF
120248	2026-04-11 9:16	2026-04-13 4:56	MySQL Server: Optimizer	Verified (199 days)	S3	8.4.8	Ubuntu	Any	Changing the order of GROUPING columns gives wrong results
116055	2024-09-11 5:54	2026-04-11 14:59	MySQL Server: Errors	Verified (778 days)	S3	8.0.39, 8.4.2, 9.0.1	CentOS (7.9)	x86	MY-004085 and MY-014054 message is bit wrong
120231	2026-04-08 4:55	2026-04-11 11:50	MySQL Server: Documentation	Verified (201 days)	S3	8.0.29	Any	Any	Typo in MySQL 8.0.29 release note
107000	2022-04-13 8:57	2026-04-11 7:34	MySQL Server: Logging	Verified (1660 days)	S3	8.0.25, 8.0.28	Any	Any	Misspelling of words in error message
108513	2022-09-16 0:58	2026-04-11 7:14	MySQL Server: Compiling	Verified (1504 days)	S2	8.0.21	Any	Any	Return value of get_instance() not get checked
110780	2023-04-24 11:53	2026-04-11 6:19	MySQL Server: Errors	Verified (1284 days)	S3	8.0	Any	Any	correct ib::error when disk use 100%
120245	2026-04-10 13:14	2026-04-10 13:55	MySQL Server: DDL	Open	S1	9.6.0	Any	Any	Unexpected error `Got error -1 - 'Unknown error -1' from storage engine`
120244	2026-04-10 12:40	2026-04-10 13:51	MySQL Server: DDL	Open	S1	9.6.0	Any	Any	Unexpected error `'0' for column '' at row -1` triggered by ALTER
120223	2026-04-07 12:06	2026-04-09 19:33	MySQL Server: Data Types	Verified (203 days)	S2	9.6.0	Linux	Any	VECTOR(0) silently accepted, produces unusable column with corrupted metadata (dimension 4294967295)
120222	2026-04-07 12:02	2026-04-09 19:30	MySQL Server: Data Types	Verified (203 days)	S2	9.6.0	Linux	Any	VECTOR(n) dimension silently wraps to wrong value due to integer overflow in parser
120241	2026-04-09 11:02	2026-04-09 11:02	MySQL Server: InnoDB storage engine	Open	S3	trunk	Any	Any	Fix ambiguity in the name and doxygen of method buf_flush_sync_all_buf_pools()
120238	2026-04-09 9:16	2026-04-09 9:34	MySQL Server: Replication	Open	S3	5.7 8.0	Linux	Any	maybe cause "could not find next log" if rotate binary log without fsync @@log_bin_index's parent dir
120235	2026-04-08 10:17	2026-04-08 10:17	MySQL Server: XML functions	Open	S3	8.0	Windows (Win11)	x86 (na)	Un/Comment Selection
119978	2026-03-03 16:41	2026-04-08 9:16	MySQL Server: InnoDB storage engine	Open (204 days)	S3	8.0	SUSE (SLES 15 SP6)	x86	In-place upgrade of Mysql 5.7.x/8.0.19 to revision after 8.0.23 fails due to undo_00x tablespace ID
120232	2026-04-08 7:07	2026-04-08 7:07	MySQL Cluster: Cluster (NDB) storage engine	Open	S3	MySQL NDB Cluster 9.3.0-cluster	Linux	Any	NDB 9.3.0-cluster may briefly lose stable SQL/API socket readiness after full-cluster restart
120230	2026-04-08 4:35	2026-04-08 4:35	MySQL Cluster: Cluster (NDB) storage engine	Open	S3	MySQL NDB Cluster 9.3.0-cluster	Any	Any	brief post-restart SQL/API readiness instability after TimeBetweenEpochs change
120229	2026-04-08 3:08	2026-04-08 3:08	MySQL Cluster: Cluster (NDB) storage engine	Open	S3	MySQL NDB Cluster 9.3.0-cluster	Linux	Any	NDB 9.3.0-cluster shows inconsistent post-restart readines
120215	2026-04-04 16:59	2026-04-06 5:38	MySQL Server: Optimizer	Verified (206 days)	S3	9.6.0	Ubuntu (22.04)	Any	Inconsistent window aggregate results with GROUP BY ... WITH ROLLUP
120217	2026-04-05 12:27	2026-04-06 5:24	MySQL Server: Optimizer	Verified (206 days)	S3	9.6.0	Ubuntu (22.04)	Any	GROUPING() in ORDER BY of EXISTS/IN/ALL/ANY subquery: invalid arguments not rejected
22008	2006-09-05 6:52	2026-04-05 20:45	MySQL Server: Charsets	Verified (5039 days)	S2	5.4	Windows (Linux/Windows)	Any	[Request] Myanmar Collation Extension for UCS and UTF8
44560	2009-04-29 21:30	2026-04-05 20:45	MySQL Enterprise Monitor: Agent	Verified	S2	2.0.5.7153	Any	Any	agent no longer collects tablestatus data items
51662	2010-03-02 23:09	2026-04-05 20:45	MySQL Enterprise Monitor: Advisors/Rules	Verified	S3	2.1.1.1141	Any	Any	Map ON/OFF for mysql:variables lock_in_memory to 1/0
43594	2009-03-12 13:15	2026-04-05 20:45	MySQL Cluster: Cluster (NDB) storage engine	Verified (6015 days)	S3	mysql-5.1-telco-6.3	Any	Any	mysqlhotcopy does not ignore log tables and others in mysql database
47564	2009-09-23 18:47	2026-04-05 20:45	MySQL Cluster: Cluster (NDB) storage engine	Verified (6245 days)	S3	5.1	Any	Any	funcs_1.ndb_trig_1011ext.test is disabled
50776	2010-02-01 5:50	2026-04-05 20:45	MySQL Cluster: Replication	Verified	S3	mysql-5.1-telco-6.2	MacOS	Any	rpl_ndb_row_001 crashes on PB
53622	2010-05-13 17:02	2026-04-05 20:45	MySQL Cluster: Replication	Verified (6002 days)	S3	mysql-5.1-telco-6.3	Any	Any	null bitmask read incorrectly in mysqlbinlog
30288	2007-08-07 22:18	2026-04-05 20:45	MySQL Server: General	Verified (7003 days)	S3		Any	Any	There is no Handler_read_rnd_init counter.
34675	2008-02-19 20:11	2026-04-05 20:45	MySQL Enterprise Monitor: Server	Verified (6096 days)	S3	2.0.0.7122	Any	Any	Extra substitutable meta parameters not available in rule expressions
34911	2008-02-27 22:23	2026-04-05 20:45	MySQL Server: General	Verified (6818 days)	S3	5.1+	Any	Any	FLUSH STATUS doesn't flush what it should
43492	2009-03-09 8:32	2026-04-05 20:45	MySQL Enterprise Monitor: Localization	Verified (6047 days)	S3	2.0.x, 2.1.x	Linux	Any	Latest MEM displays garbled characters for japanese caption of graph on CentOS 4
48932	2009-11-20 8:59	2026-04-05 20:45	Tools: Random Query Generator	Verified	S3		Any	Any	Performance problem with gendata / Random.pm
49675	2009-12-14 14:39	2026-04-05 20:45	Tools: Random Query Generator	Verified	S3	2	Any	Any	Metadata caching is not optimal
50378	2010-01-15 17:34	2026-04-05 20:45	MySQL Server: Options	Verified (6128 days)	S2	5.0.77, 5.0, 5.1 bzr	Linux (RHEL 5.4)	Any	Uptime_since_flush_status has an abnormally large value
51127	2010-02-11 23:31	2026-04-05 20:45	Tools: Random Query Generator	Verified	S3		Any	Any	RQG's DisableIndex Transformer only works with database 'test'
51667	2010-03-02 23:49	2026-04-05 20:45	MySQL Server	Verified	S3	5.1	Any	Any	Need status variable for com_ping
52901	2010-04-16 19:49	2026-04-05 20:45	MySQL Server: General	Verified (6032 days)	S3	5.1.45-1 (Debian)	Linux	Any	Key_blocks_unused counter incorrect
53532	2010-05-10 8:24	2026-04-05 20:45	Tools: Random Query Generator	Verified	S3		Any	Any	RQG: internal mysqldump commands fail if mysqldump is not in PATH
53752	2010-05-18 13:47	2026-04-05 20:45	Tools: Random Query Generator	Verified (6008 days)	S2	bzr	Any	Any	Simplifier unable to produce test file upon simplifying a crash
56468	2010-09-01 16:57	2026-04-05 20:45	Tests: Server	Verified	S3	5.1	Any	Any	main.ps_ddl fails if MTR run with --mysqld=--query-cache-size=1000000
107852	2022-07-12 19:18	2026-04-05 20:45	MySQL Server: Command-line Clients	Open (985 days)	S3	8.0.26	Any (Linux and OSX)	x86	MySQL client does not detect closed connection properly
120203	2026-04-02 2:35	2026-04-04 19:49	MySQL Server: Optimizer	Verified (208 days)	S2	8.0.45	Any	Any	MySQL returns an incorrect result for an indexed comparison between an `INT` column and a non-integer function value.
113244	2023-11-28 7:35	2026-04-02 11:36	MySQL Operator	Verified (1064 days)	S2	8.2.0-2.1.1	Linux	Any	set ‘deleteBackupData’ field, no effect
114696	2024-04-19 3:43	2026-04-02 11:35	MySQL Operator	Verified (905 days)	S3	8.3.0-2.1.2	Any	Any	deleteBackupData not work when delete mbk cr
120204	2026-04-02 7:52	2026-04-02 7:52	MySQL Server: InnoDB storage engine	Open	S2	9.4.0	Any	Any	UPDATE statements fail to update rows or acquire locks after being released
120177	2026-03-30 6:38	2026-04-01 12:10	MySQL Server: Replication	Open	S3	5.7.44	Any	Any	Lost gtids after crash recovery
120104	2026-03-19 7:36	2026-03-30 7:32	MySQL Server: DDL	Open (213 days)	S3	8.4.7	Any	Any	Modify VARCHAR column leads to unexpected rebuild of table
81351	2016-05-09 9:26	2026-03-29 20:45	MySQL Server: Document Store: MySQL Shell	Verified (3802 days)	S1	1.0.3	Any	Any	switching session type from classic to JS fails
120174	2026-03-28 9:25	2026-03-29 20:21	MySQL Server: Optimizer	Verified (214 days)	S3	8.0.45	Ubuntu (22.04)	Any	Incorrect empty result for BETWEEN on binary string columns when a UNIQUE index is used
120172	2026-03-28 9:14	2026-03-29 20:15	MySQL Server: Optimizer	Verified (214 days)	S3	8.0.45	Ubuntu (22.04)	Any	Inconsistent result: NOT IN (subquery on BIT column) differs when using secondary index vs IGNORE INDEX
120171	2026-03-28 8:58	2026-03-29 20:06	MySQL Server: Optimizer	Verified (214 days)	S3	8.0.45	Ubuntu (22.04)	Any	Wrong result: LEFT JOIN empty derived table + WHERE equality uses literal from SELECT list
120158	2026-03-26 6:04	2026-03-29 19:37	MySQL Server: Optimizer	Verified (214 days)	S2	8.0.45	Ubuntu (Ubuntu 20.04.4 LTS)	x86 (Intel(R) Xeon(R) Platinum 8358P @ 2.60GHz (64 Cores, 96MB L3 Cache))	Incorrect result (NULL included) in index lookup/MAX() on FLOAT ZEROFILL column when filtering by 0.0
120170	2026-03-28 8:33	2026-03-28 8:33	MySQL Server: InnoDB storage engine	Open	S2	8.0.39	Any	Any	Missing Update in READ COMMITTED during concurrent UPDATE with row re-evaluation failure.
120165	2026-03-27 7:24	2026-03-27 7:24	Connector / C	Open	S2	9.6.0 and 8.0.33	Any	Any	mysql connector c xapi mysqlx_free wont' free all execute memory
118072	2025-04-28 14:10	2026-03-26 11:24	MySQL Server: DDL	Verified (549 days)	S5	8.0	Any	Any	Optimize DDL operations involving AUTO_INCREMENT columns
120142	2026-03-25 3:09	2026-03-25 20:29	MySQL Server: JSON	Verified (218 days)	S3	8.0.45	Any	Any	Incorrect result with DISTINCTROW and JSON_OBJECTAGG when replacing COALESCE(SUM(NULL),0) with constant
110556	2023-03-30 2:46	2026-03-25 20:22	MySQL Server: JSON	Verified (1309 days)	S2	8.0.28, 8.0.32	Linux	Any	When we use json to build an index, we will get wrong results
120145	2026-03-25 6:05	2026-03-25 19:22	MySQL Server: Optimizer	Verified (218 days)	S2	8.0.45	Linux (ubuntu 20.04)	x86	Incorrect empty result after relocating a HAVING predicate into a derived-table boolean column with WHERE ref1
120153	2026-03-25 16:15	2026-03-25 16:18	MySQL Server: Options	Open	S3	9.5	Any	Any	Wrong default value for default_collation_for_utf8mb4
120075	2026-03-16 14:26	2026-03-25 12:47	MySQL Server: Optimizer	Verified (225 days)	S1	8.0.45	Linux (ubuntu 20.04)	x86	Silent Data Truncation of DOUBLE (DBL_MAX) in Subqueries/Temporary Tables
120126	2026-03-23 2:53	2026-03-25 9:34	Connector / C	Open (218 days)	S2	9.6.0 and 8.0.33	Ubuntu (20.04)	Any	mysql connector c xdev get stuck when connect in keepalived and mysql server restart
107903	2022-07-18 14:42	2026-03-24 12:28	MySQL Server: Logging	Verified (462 days)	S3	8.0	Any	Any	Contribution: Each slow log prints out the database name
120132	2026-03-23 11:28	2026-03-24 7:45	MySQL Server: Optimizer	Verified (219 days)	S3	8.4.8	Any	Any	Unexpected Query Results Caused by Prefix Index on TEXT Column
120131	2026-03-23 11:27	2026-03-24 7:40	MySQL Server: Optimizer	Verified (219 days)	S3	8.0.45	Any	Any	Bug in Query Behavior due to ZEROFILL in DOUBLE Column
120129	2026-03-23 9:29	2026-03-23 9:29	MySQL Server: InnoDB storage engine	Open	S3	8.0.39	Any	Any	Non-deterministic semi-consistent read behavior: UPDATE randomly blocks on non-matching locked rows in READ UNCOMMITTED.
120125	2026-03-23 2:43	2026-03-23 2:43	MySQL Server: XA transactions	Open	S2	8.4 8.0.44	Any	Any	xid_t::operator< breaks std::map ordering; binlog XA recovery may rollback prepared XA
120124	2026-03-22 10:29	2026-03-22 10:29	MySQL Server: DDL	Open	S3	9.6	Any	Any	Remove unused partition states from enum partition_state {
120123	2026-03-20 7:15	2026-03-20 12:18	MySQL Server: Optimizer	Verified (223 days)	S3	8.0.45	Any	Any	Inconsistent query results when using EXISTS subqueries with MyISAM engine in derived tables.
120122	2026-03-20 4:58	2026-03-20 12:06	MySQL Server: Optimizer	Verified (223 days)	S3	8.0.45	Linux	x86	Inconsistent evaluation of GREATEST() with ZEROFILL column in OUTER JOIN queries
120115	2026-03-19 15:21	2026-03-19 15:32	MySQL Server: Replication	Open	S3	8.4	Any	Any	CHANGE REPLICATION FILTER REPLICATE_IGNORE_DB with ROW BASED REPLICATION NOT WORKING AS DESCRIBED
120111	2026-03-19 9:14	2026-03-19 14:10	MySQL Server: JSON	Verified (224 days)	S3	8.0.45	Any	Any	Unexpected row elimination when using DISTINCT on JSON_SET output
120110	2026-03-19 9:04	2026-03-19 14:07	MySQL Server: JSON	Verified (224 days)	S3	8.0.45	Any	Any	Wrong result: DISTINCT eliminates JSON_OBJECT result containing NULL value
120109	2026-03-19 9:01	2026-03-19 14:03	MySQL Server: JSON	Verified (224 days)	S3	8.0.45	Any	Any	Wrong result: DISTINCT eliminates JSON_ARRAY(NULL) result
120107	2026-03-19 8:40	2026-03-19 13:34	MySQL Server: JSON	Verified (224 days)	S3	8.0.45	Any	Any	DISTINCT eliminates non-duplicate rows for JSON_OBJECTAGG results
120106	2026-03-19 7:49	2026-03-19 8:33	MySQL Server: Optimizer	Verified (224 days)	S1	8.0.45	Any	Any	Optimizer incorrectly handles constant derived table in RIGHT JOIN
120102	2026-03-19 1:34	2026-03-19 8:22	MySQL Server: JSON	Verified (224 days)	S3	8.0.45	Any	Any	Incorrect DISTINCT behavior with JSON_ARRAYAGG when aggregating NULL-only groups
120099	2026-03-18 12:08	2026-03-19 8:04	MySQL Server: Optimizer	Verified (224 days)	S1	8.0.45	Any	Any	Query returns wrong result when condition involves CAST(division AS CHAR)
119887	2026-02-10 20:15	2026-03-18 20:44	Connector / J	Analyzing (228 days)	S2	9.6.0	Any	Any	The entire connection creation phase should be covered by a configurable timeout
120098	2026-03-18 9:58	2026-03-18 10:59	MySQL Server: Optimizer	Verified (225 days)	S1	8.0.45	Any	Any	Incorrect result when using EXISTS with INTERSECT ALL and correlated subquery
120097	2026-03-18 9:34	2026-03-18 9:48	MySQL Server: Optimizer	Verified (225 days)	S1	8.0.45	Any	Any	Incorrect result set when use INTERSECT ALL
120094	2026-03-18 8:29	2026-03-18 9:35	MySQL Server: Optimizer	Verified (225 days)	S1	8.0.45	Any	Any	Query returns incorrect results due to incorrect handling of predicate logic
120087	2026-03-17 13:12	2026-03-18 4:58	MySQL Server: Optimizer	Verified (225 days)	S2	8.0.45	Linux	x86	Incorrect result with RIGHT JOIN and IS NULL predicate on partitioned indexed table
120089	2026-03-17 22:11	2026-03-17 22:11	Connector / C++	Open	S3		Any	Any	Contribution: Fix bug where read/write timeout option checks were swapped
120050	2026-03-13 9:00	2026-03-17 12:22	MySQL Server: InnoDB storage engine	Open	S5	8.0.44	Any	Any	remove dead code
120084	2026-03-17 9:40	2026-03-17 11:47	MySQL Server: Optimizer	Verified (226 days)	S3	8.0.45	Linux	x86	Incorrect result with string-to-decimal comparison in OUTER JOIN condition
120083	2026-03-17 8:59	2026-03-17 11:38	MySQL Server: Optimizer	Verified (226 days)	S2	8.0.45	Linux	x86	incorrect result when comparing floating constant in OUTER JOIN condition
113738	2024-01-24 10:18	2026-03-16 12:51	MySQL Server: Tests	Verified (1009 days)	S3	8.3	MacOS (14.3)	ARM	Test innodb.resurrection_logs failing if built with sanitizer
120058	2026-03-14 10:40	2026-03-14 14:52	MySQL Server: Optimizer	Verified (229 days)	S3	8.0.45	Any	Any	UPDATE IGNORE fails to match rows when combining OR-weakened predicates with complex CASE expressions
120057	2026-03-14 4:32	2026-03-14 14:43	MySQL Server: Optimizer	Verified (229 days)	S3	8.0.45	Any	Any	Multi-table UPDATE with CTE returns zero rows when weakening a predicate from '=' to '<='
120056	2026-03-14 4:22	2026-03-14 14:24	MySQL Server: Optimizer	Verified (229 days)	S3	8.0.45	Any	Any	UPDATE IGNORE returns empty result after weakening WHERE clause with OR in a JOIN context
120051	2026-03-13 9:31	2026-03-13 21:16	MySQL Server: Optimizer	Verified (230 days)	S1	8.0.45	Linux (ubuntu 20.04)	Any	Wrong result for derived-table rewrite of GROUP BY ... HAVING query
120036	2026-03-12 2:09	2026-03-13 13:15	MySQL Server: Optimizer	Verified (230 days)	S3	8.0.45	Any	Any	Different results for semantically equivalent expressions using CASE and MIN(CASE ...) with GROUP BY on a FLOAT column
120037	2026-03-12 2:46	2026-03-13 11:31	MySQL Server: Optimizer	Verified (230 days)	S3	8.4.8	Any	Any	Query Results Differ Between Tables with Same Data and Query Due to RENAME Operation
120047	2026-03-13 5:08	2026-03-13 5:57	MySQL Server: Optimizer	Verified (230 days)	S3	9.5.0	Any	Any	Incorrect empty update result when weakening WHERE clause in UPDATE IGNORE with CROSS JOIN and IN subquery
120034	2026-03-11 15:13	2026-03-11 21:10	MySQL Server: Optimizer	Verified (232 days)	S3	8.4.8	Any	Any	Wrong Results with LOG(1, N) <=> NULL: UNIQUE Constraint Causes Incorrect Row Deduplication
120032	2026-03-11 14:56	2026-03-11 20:56	MySQL Server: Optimizer	Verified (232 days)	S3	8.4.8	Any	Any	Inconsistent Aggregation Results in Derived Tables: PRIMARY KEY Affects AVG(NOT(...)) Evaluation and Optimizer Execution
120031	2026-03-11 14:48	2026-03-11 20:46	MySQL Server: Optimizer	Verified (232 days)	S3	8.4.8	Any	Any	Inconsistent INTERSECT Results in Derived Tables: Impact of PRIMARY KEY on JSON_OBJECTAGG and LEAST Operators

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