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Changes in MySQL 9.7.4 (2026-10-20)

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MySQL·Oct 20, 2026, 12:00 AMFixAI-assisted summary

Summary

Fixed numerous bugs across components (Audit Log, InnoDB, optimizer, replication, mysqldump, performance schema, etc.).
Adjusted InnoDB DDL validation to retain legacy behavior while preserving deadlock‑prevention estimates, and improved handling of stale Adaptive Hash Index entries and page reorganization errors.
Updated bundled libraries (libevent to 2.1.13, TIRPC to 1.3.7) and resolved packaging conflicts on EL10 aarch64.

bugfixminorsource healthy

Official source Last checked Oct 20, 2026, 11:00 PM

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AI-assisted summarysource healthyLast checked Oct 20, 2026, 11:00 PM

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