# MaxScale 22.08.2 Release Notes

This document describes the changes in release 22.08.2, 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).

### New Features

* [MXS-4333](https://jira.mariadb.org/browse/MXS-4333) Allow engine selection for Kafka Importer
* [MXS-4271](https://jira.mariadb.org/browse/MXS-4271) Add OpenID integration for the REST API
* [MXS-4161](https://jira.mariadb.org/browse/MXS-4161) MaxScale System Diagnostics
* [MXS-4122](https://jira.mariadb.org/browse/MXS-4122) Fast Global causal\_reads
* [MXS-4044](https://jira.mariadb.org/browse/MXS-4044) Log a message whenever a server is set into maintenance mode.
* [MXS-3946](https://jira.mariadb.org/browse/MXS-3946) Highlight text when filtering (GUI)
* [MXS-3822](https://jira.mariadb.org/browse/MXS-3822) MaxScale Global Memory Use Indicator
* [MXS-3649](https://jira.mariadb.org/browse/MXS-3649) Add service reload time somewhere in maxctrl output
* [MXS-3384](https://jira.mariadb.org/browse/MXS-3384) Able to list/group servers by Monitor name
* [MXS-3012](https://jira.mariadb.org/browse/MXS-3012) Allow for ranking of servers for failover

### Bug fixes

* [MXS-4355](https://jira.mariadb.org/browse/MXS-4355) Token authentication does not work correctly with PAM users
* [MXS-4353](https://jira.mariadb.org/browse/MXS-4353) /maxscale/logs/data endpoint doesn't filter syslog contents correctly
* [MXS-4350](https://jira.mariadb.org/browse/MXS-4350) The rebalancing functionality is claimed to be disabled
* [MXS-4349](https://jira.mariadb.org/browse/MXS-4349) The documentation of the behaviour of 'threads=auto' in containers is incorrect
* [MXS-4348](https://jira.mariadb.org/browse/MXS-4348) Full SASL support is not enabled for kafka modules
* [MXS-4338](https://jira.mariadb.org/browse/MXS-4338) History/Snippets filter doesn't work on the action and date columns
* [MXS-4325](https://jira.mariadb.org/browse/MXS-4325) Listeners do not accept ssl\_ca
* [MXS-4321](https://jira.mariadb.org/browse/MXS-4321) Error from missing --secure option is not helpful
* [MXS-4316](https://jira.mariadb.org/browse/MXS-4316) Data preview tab shows 2 execution time
* [MXS-4313](https://jira.mariadb.org/browse/MXS-4313) MaxCtrl misinterprets some arguments
* [MXS-4312](https://jira.mariadb.org/browse/MXS-4312) REST API accepts empty resource IDs
* [MXS-4307](https://jira.mariadb.org/browse/MXS-4307) Parser can't recognize convert function parameters and cause wrong routing decision
* [MXS-4304](https://jira.mariadb.org/browse/MXS-4304) MariaDB-Monitor spams log with connection errors if server is both \[Maintenance] and \[Down]
* [MXS-4303](https://jira.mariadb.org/browse/MXS-4303) Disconnect connection in the reconnection dialog doesn't work properly
* [MXS-4299](https://jira.mariadb.org/browse/MXS-4299) Unsaved query tab isn't saved when the current active query tab is not the one has unsaved changes
* [MXS-4295](https://jira.mariadb.org/browse/MXS-4295) Switchover will wait even if slave server are lagging more than switchover\_timeout
* [MXS-4293](https://jira.mariadb.org/browse/MXS-4293) Memory leak with causal\_reads=universal
* [MXS-4292](https://jira.mariadb.org/browse/MXS-4292) Read-only transaction are not synchronized by causal\_reads=universal
* [MXS-4291](https://jira.mariadb.org/browse/MXS-4291) Avrorouter crash when client is closed
* [MXS-4290](https://jira.mariadb.org/browse/MXS-4290) Maxscale masking filter returns parsing error on SELECT with very long WHERE
* [MXS-4289](https://jira.mariadb.org/browse/MXS-4289) Transaction starts on wrong server with autocommit=0
* [MXS-4281](https://jira.mariadb.org/browse/MXS-4281) Query editor connections aren't bound to the query tabs properly
* [MXS-4280](https://jira.mariadb.org/browse/MXS-4280) qc\_sqlite does not properly handle a LIMIT clause
* [MXS-4279](https://jira.mariadb.org/browse/MXS-4279) "sub" field not set for JWTs
* [MXS-4278](https://jira.mariadb.org/browse/MXS-4278) The current connection name in the dropdown disappears when failed to connect to a new connection
* [MXS-4253](https://jira.mariadb.org/browse/MXS-4253) Redirecting to 404 page after login with AD PAM user
* [MXS-4251](https://jira.mariadb.org/browse/MXS-4251) Stop button is not working properly and high memory usage in the Query Editor
* [MXS-4241](https://jira.mariadb.org/browse/MXS-4241) MaxScale High CPU / Load issue
* [MXS-4174](https://jira.mariadb.org/browse/MXS-4174) expire\_log\_duration and expire\_log\_minimum\_files not covered by tests
* [MXS-4156](https://jira.mariadb.org/browse/MXS-4156) Update documentation on required monitor privileges
* [MXS-4083](https://jira.mariadb.org/browse/MXS-4083) CPU utilization high on MaxScale host

### 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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