MySQL 8.4 Release Notes

3 Changes in MySQL 8.4.2 (2024-07-23, LTS Release)

Bugs Fixed

  • InnoDB: In some cases, following the creation of a very large number of tables (8001 or more), the server could not be restarted successfully. (Bug #36808732)

    References: This issue is a regression of: Bug #33398681.

  • InnoDB: Improved tablespace file scan performance at startup. (Bug #110402, Bug #35200385)

  • Group Replication: Running a CREATE TABLE ... SELECT statement on a source coming from an asynchronous channel to Group Replication led to errors on the replica. (Bug #36784284)