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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 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 | 2026-10-24 16:16 | MySQL Server: Optimizer | Open | S2 | 8.4.13 | 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 | 2026-10-23 8:11 | MySQL Server: Replication | Open | 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 | 2026-10-23 7:30 | MySQL Server: Optimizer | Open | S2 | 26.10.0 | 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 |
| 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 |
| 121581 | 2026-10-22 13:20 | 2026-10-23 5:47 | MySQL Server: Optimizer | Verified (2 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 | 2026-10-23 12:39 | MySQL Server: Optimizer | Verified (2 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 |
| 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 (2 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 |
| 121574 | 2026-10-22 6:12 | 2026-10-23 8:12 | MySQL Server: Optimizer | Verified (2 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 |
| 121572 | 2026-10-22 3:33 | 2026-10-22 3:36 | MySQL Server: DML | Open (3 days) | S2 | Any | Any | A valid `CAST(... AS DATE)` element of an `IN` constant list is wrongly treated as NULL | |
| 121571 | 2026-10-22 3:31 | 2026-10-22 3:36 | MySQL Server: DML | Open (3 days) | S2 | MySQL 26.10.0-trunk | 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 (3 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 |
| 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 |
| 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 |
| 121560 | 2026-10-20 10:40 | 2026-10-21 2:48 | MySQL Server: DDL | Open (4 days) | S3 | 9.7.2 | Any | Any | SHOW CREATE TABLE produces unusable statement |
| 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 |
| 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 |
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