MySQL 8.0 Release Notes
These release notes were created with the assistance of MySQL HeatWave GenAI.
InnoDB:
InnoDB redo logging error messages now include the current LSN
and redo log capacity information. A new warning code
ER_IB_WRN_REDO_DISABLED_INFO is
added which includes the current LSN. A new error code
ER_IB_MSG_LOG_WRITER_WAIT_ON_NEW_LOG_FILE_INFO
is added to include the current log capacity and the current log
capacity used. The MONITOR output has been
enhanced to include redo log capacity details and current log
capacity.
The warning ER_IB_WRN_REDO_DISABLED was
removed, as was the error
ER_IB_MSG_LOG_WRITER_WAIT_ON_NEW_LOG_FILE.
(Bug #37645185)
Fixed an issue related to bulk inserts. (Bug #38208188)
Fixed an issue relating to Common Table Expressions (CTE). (Bug #38573285)
Fixed an issue related to executing specific SQL queries. (Bug #38448700)
Fixed an issue relating to SHOW CREATE TABLE.
(Bug #38298692)
Queries which used REGEXP took longer to execute as prepared statements than as direct queries. (Bug #114056, Bug #36326728)
For platforms on which OpenSSL libraries are bundled, the linked OpenSSL library for MySQL Server has been updated to version 3.0.18. For more information, see OpenSSL 3.0 Series Release Notes. (Bug #38632932)
InnoDB:
Under certain circumstances, when using the
que_eval_sql interface, a race condition
could occur.
(Bug #118705, Bug #38310595)
Binary log purged before persisted
binlog_expire_* options were loaded.
(Bug #38554467)
When 2 of 6 instances in a geographically dispersed
InnoDB Cluster lost connectivity, the primary server became
unresponsive, causing the COMMIT and
INSERT operations to become unresponsive as
well.
(Bug #38380392)
Fixed several issues relating to Thread Pool blocking connections from closing. (Bug #38170188, Bug #36782728, Bug #38549372)
GTID gaps were generated because of the replica-
skip-errors option.
(Bug #28590993)
If server was started on Windows platforms with --skip-grant-tables, privileges were not checked and remote connections were not permitted. As a result, the server might not start. (Bug #118805, Bug #38328780)