MariaDB MaxScale 21.06.16 Release Notes -- 2024-06-03

NOTE MaxScale 6.4 was renamed to 21.06 in May 2024. Thus, what would have been released as 6.4.16 in June, was released as 21.06.16. The purpose of this change is to make the versioning scheme used by all MaxScale series identical. 21.06 denotes the year and month when the first 6 release was made.

Release 21.06.16 is a GA release.

This document describes the changes in release 21.06.16, when compared to the previous release in the same series.

If you are upgrading from an older major version of MaxScale, please read the upgrading document for this MaxScale version.

For any problems you encounter, please consider submitting a bug report on our Jira.

New Features

• MXS-5067 Add "enforce_read_only_servers" feature to MariaDB Monitor

Bug fixes

• MXS-5095 Master Stickiness state is not documented
• MXS-5090 ability to setup .secrets file location
• MXS-5085 max_slave_connections=0 may create slave connections after a switchover
• MXS-5083 ssl_version in MaxScale and tls_version in MariaDB behave differently
• MXS-5082 Password encryption format change in 2.5 is not documented very well
• MXS-5081 The values of ssl_version in MaxScale and tls_version in MariaDB accept different values
• MXS-5074 Warning about missing slashes around regular expressions is confusing
• MXS-5048 Problem in hostname matching when using regex (%) for user authentication
• MXS-5039 cooperative_monitoring_locks can leave stale locks on a server if network breaks
• MXS-5038 Maxscale key limitations
• MXS-5031 enforce_read_only_slaves can set master to read_only
• MXS-5021 gdb-stacktrace is incorrectly presented as a debug option
• MXS-5014 During Failover Passive MaxScale route writes to the Old Master
• MXS-5010 Session commands that are executed early are not validated
• MXS-5009 --basedir is broken
• MXS-4902 MariaDB Monitor command reset-replication can be started on a secondary MaxScale
• MXS-4834 MaxScale should log a warning if failover may lose transactions

Known Issues and Limitations

There are some limitations and known issues within this version of MaxScale. For more information, please refer to the Limitations document.

Packaging

RPM and Debian packages are provided for the supported Linux distributions.

Packages can be downloaded here.

Source Code

The source code of MaxScale is tagged at GitHub with a tag, which is identical with the version of MaxScale. For instance, the tag of version X.Y.Z of MaxScale is maxscale-X.Y.Z. Further, the default branch is always the latest GA version of MaxScale.

The source code is available here.