- Critical security patch for MySQL 9.7.1 addressing multiple vulnerabilities.
- Update is strongly recommended for all deployments; no functional changes introduced.
Changes in MySQL 9.7.1 (2026-06-16)
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Fixed numerous bugs across InnoDB, JSON, optimizer, replication, X Plugin, Clone plugin, LOAD DATA handling, memory management, keyword definitions, and server start on Oracle/Red Hat Linux 9.
Fixed a large number of bugs across InnoDB, JSON handling, optimizer, replication, performance schema, X plugin, Clone plugin, and other components, including memory leaks and incorrect keyword classifications.
Introduces the Change Stream Applier (CSA) as an opt‑in, per‑channel multi‑threaded replication applier with configurable worker threads (up to 1,024) replacing the MTA.