Showing all 14 (Edit, Save, CSV, Feed)
ID# Date Updated Type Status Sev Version OS CPU Summary
1213172026-09-18
13:49
2026-09-18
13:49
MySQL Server: OptimizerOpenS18.4.11,9.7.1Linux (Fedora 42, kernel 6.17.12)ARM (aarch64, 8 cores, 31 GiB RAM)Multi-valued index in an index_merge (sort_union) plan crashes mysqld in check_unique_fields()
1213152026-09-18
11:42
2026-09-18
11:42
MySQL Server: OptimizerOpenS38.4.11, 9.7.1AnyAnyRedundant outer DISTINCT over UNION causes a second temporary-table deduplication
1212912026-09-16
7:46
2026-09-16
7:46
MySQL ServerOpenS3MySQL 26.7.0; MySQL 9.7.2AnyAnyEXPLAIN FORMAT=JSON v2 omits access_type for LooseScan/FirstMatch nodes
1212822026-09-14
20:15
2026-09-14
20:15
MySQL ServerOpenS38.0.46AnyAny SIGSEGV in fill_used_fields_bitmap/bitmap_copy via dynamic range optimization of a correlated subquery
1212712026-09-12
2:30
2026-09-12
2:31
MySQL Server: OptimizerOpenS59.7.1Ubuntu (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
1212662026-09-11
3:29
2026-09-11
3:52
MySQL Server: OptimizerOpen
(9 days)
S59.7.1Ubuntu (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
1212622026-09-10
8:06
2026-09-11
2:14
MySQL ServerOpen
(9 days)
S29.7.2UbuntuAnySET SESSION foreign_key_checks = DEFAULT incorrectly sets the session value to 0
1212512026-09-09
19:32
2026-09-09
19:32
MySQL Server: GeneralOpenS3AnyAnyContribution: Add feature_contribution.yaml ISSUE_TEMPLATE
1212292026-09-04
8:21
2026-09-04
8:21
MySQL Server: GeneralOpenS326.7AnyAnyOutdated help contents
1211262026-08-19
11:43
2026-08-19
11:43
MySQL ServerOpenS38.4.10AnyAnyPrepared Cast Unsigned Parameter Truncation
1197972026-01-27
20:09
2026-07-22
11:21
MySQL Server: GeneralOpenS3AnyAnyContribution: Feat: Native Vector Search with HNSW Indexing
1185362025-06-26
17:55
2025-09-21
20:45
MySQL Server: OptimizerAnalyzing
(450 days)
S28.0.40, 9.3.0Linux (RDS, Docker)Any (Tested on x86_64 and aarch64)Concurrent CTE queries cause erroneous missing temporary table errors
908132018-05-09
20:11
2021-07-04
9:18
MySQL ServerAnalyzing
(3054 days)
S35.6.40CentOS (7.3)AnyTimezone not correctly read from host
862152017-05-08
13:35
2017-07-11
22:44
MySQL Server: OptimizerAnalyzing
(3358 days)
S58.0.1AnyAnyMySQL is much slower in 5.7 vs 5.6
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