> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/release-notes/maxscale/old-releases/2.5/2.5.25.md).

# MariaDB MaxScale 2.5.25 Release Notes

Release 2.5.25 is a GA release.

**Released:** 30 Mar 2023

This document describes the changes in release 2.5.25, 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](https://jira.mariadb.org/projects/MXS).

### Bug fixes

* [MXS-4566](https://jira.mariadb.org/browse/MXS-4566) RHEL8 Packages for 23.02.1 and 22.08.5
* [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-4548](https://jira.mariadb.org/browse/MXS-4548) The statement canonicalizer cannot handle comments within statements
* [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-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-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-4476](https://jira.mariadb.org/browse/MXS-4476) Memory leak in smartrouter
* [MXS-4474](https://jira.mariadb.org/browse/MXS-4474) MaxScale hangs with warning about "Worker 1 attempted to send a message to worker 1"
* [MXS-4473](https://jira.mariadb.org/browse/MXS-4473) Hang in smartrouter under heavy load
* [MXS-4469](https://jira.mariadb.org/browse/MXS-4469) Schemarouter routing logic documentation is out of date
* [MXS-4459](https://jira.mariadb.org/browse/MXS-4459) Improve match/exclude documentation for avrorouter and kafkacdc
* [MXS-4197](https://jira.mariadb.org/browse/MXS-4197) pinloki\_start\_stop is unstable
* [MXS-3972](https://jira.mariadb.org/browse/MXS-3972) The rpl\_state in binlogrouter is not atomic

### 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 supported the 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).