MySQL 8.0 Release Notes
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)