# MaxScale 22.08.5 Release Notes

This document describes the changes in release 22.08.5, 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](https://mariadb.com/docs/maxscale/maxscale-versions/mariadb-maxscale-23-02/mariadb-maxscale-23-02-upgrading/mariadb-maxscale-2302-upgrading-mariadb-maxscale-from-6-to-2208) for\
this MaxScale version.

For any problems you encounter, please consider submitting a bug\
report on [our Jira](https://jira.mariadb.org/projects/MXS).

### Bug fixes

* [MXS-4561](https://jira.mariadb.org/browse/MXS-4561) Some configuration cause no errors to be logged
* [MXS-4557](https://jira.mariadb.org/browse/MXS-4557) Binlogrouter breaks if event size exceeds INT\_MAX
* [MXS-4556](https://jira.mariadb.org/browse/MXS-4556) Maxscale ignores lower\_case\_table\_names=1 on config file
* [MXS-4555](https://jira.mariadb.org/browse/MXS-4555) Dynamic filter capabilities do not work
* [MXS-4552](https://jira.mariadb.org/browse/MXS-4552) "Unknown prepared statement handler" error when connection\_keepalive is disabled on a readconnroute service
* [MXS-4547](https://jira.mariadb.org/browse/MXS-4547) Empty regex // is not treated as empty
* [MXS-4540](https://jira.mariadb.org/browse/MXS-4540) transaction replay retries repeatedly after failing checksum
* [MXS-4524](https://jira.mariadb.org/browse/MXS-4524) Wrong server version assumption
* [MXS-4515](https://jira.mariadb.org/browse/MXS-4515) MaxScale leaks sessions if they are closed when writeq throttling is enabled
* [MXS-4514](https://jira.mariadb.org/browse/MXS-4514) skip\_name\_resolve is not modifiable at runtime
* [MXS-4513](https://jira.mariadb.org/browse/MXS-4513) The connections graph the on GUI dashboard "jumps" on every refresh
* [MXS-4512](https://jira.mariadb.org/browse/MXS-4512) Clang 15 compilation fails on 22.08
* [MXS-4510](https://jira.mariadb.org/browse/MXS-4510) Uncaught exception in binlogrouter
* [MXS-4504](https://jira.mariadb.org/browse/MXS-4504) IP wildcard values are not permitted in host values while using data masking
* [MXS-4499](https://jira.mariadb.org/browse/MXS-4499) config\_sync\_cluster always uses the mysql database
* [MXS-4494](https://jira.mariadb.org/browse/MXS-4494) Replication breaks if binlogfilter excludes events
* [MXS-4489](https://jira.mariadb.org/browse/MXS-4489) PHP program reports different collation\_connection when connecting via Maxscale
* [MXS-4488](https://jira.mariadb.org/browse/MXS-4488) MaxScale can hang if non-MariaDB data is sent to a MariaDB protocol port
* [MXS-4481](https://jira.mariadb.org/browse/MXS-4481) Attempting to create a table with the name "DUAL" crashes MaxScale
* [MXS-4461](https://jira.mariadb.org/browse/MXS-4461) Debug assertion in dcb.cc
* [MXS-4459](https://jira.mariadb.org/browse/MXS-4459) Improve match/exclude documentation for avrorouter and kafkacdc
* [MXS-4410](https://jira.mariadb.org/browse/MXS-4410) QLA filter not properly logging USE DBx command.

### Known Issues and Limitations

There are some limitations and known issues within this version of MaxScale.\
For more information, please refer to the [Limitations](https://github.com/mariadb-corporation/mariadb-docs/blob/main/release-notes/maxscale/mariadb-maxscale-2208-about/mariadb-maxscale-2208-limitations-and-known-issues-within-mariadb-maxscale.md) document.

### Packaging

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

Packages can be downloaded [here](https://mariadb.com/downloads/#mariadb_platform-mariadb_maxscale).

### 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](https://github.com/mariadb-corporation/MaxScale).

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