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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 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 | |
| 121615 | 2026-10-26 14:33 | 2026-10-26 14:33 | MySQL Server | Open | 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 |
| 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) |
| 121612 | 2026-10-26 12:38 | 2026-10-26 12:38 | MySQL Server: Optimizer | Open | S2 | 26.7.0-debug (trunk, commit 23e360a7fac) | 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 | 2026-10-26 12:36 | MySQL Server: DML | Open | S3 | 26.7.0-debug (trunk, commit 23e360a7fac) | 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 |
| 121609 | 2026-10-26 10:05 | 2026-10-26 10:07 | MySQL Server: Optimizer | Verified | S3 | 9.7 | Any | Any | Record buffer sizing does not account for LIMIT |
| 121606 | 2026-10-26 8:53 | 2026-10-26 8:53 | MySQL Server: Optimizer | Open | S3 | 9.7.2 | Any | Any | Query with COMPRESS() fails with ERROR 3854 under JOIN_ORDER hint |
| 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 |
| 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 |
| 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” |
| 121598 | 2026-10-24 16:16 | 2026-10-26 12:31 | MySQL Server: Optimizer | Verified | 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 |
| 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" |
| 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 |
| 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) |
| 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 |
| 121590 | 2026-10-23 8:11 | 2026-10-26 14:24 | MySQL Server: Replication | Verified | 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 |
| 121589 | 2026-10-23 7:30 | 2026-10-26 12:28 | MySQL Server: Optimizer | Verified | S2 | 8.0.46, 8.4.13, 9.7.4, 26.10 | Any | Any | Some problems when using temporal type and prepare protocol |
| 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. | |
| 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 |
| 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 |
| 121580 | 2026-10-22 13:09 | 2026-10-26 8:11 | MySQL Server: Optimizer | Verified | 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 |
| 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 |
| 121576 | 2026-10-22 12:40 | 2026-10-23 12:42 | MySQL Server: Optimizer | Verified (3 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 |
| 121572 | 2026-10-22 3:33 | 2026-10-26 12:42 | MySQL Server: DML | Verified | 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 | 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 |
| 121570 | 2026-10-21 17:29 | 2026-10-22 14:09 | MySQL Package Repos | Open (4 days) | S3 | Linux ((Yum/DNF systems)) | Any | RPMs not available for 8.4.13 in Yum/DNF repo for some OS/architecture combinations | |
| 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 |
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