MariaDB MaxScale 2.5.4 Release Notes -- 2020-09-29

MariaDB MaxScale 2.5.4 Release Notes -- 2020-09-29

Release 2.5.4 is a GA release.

This document describes the changes in release 2.5.4, when compared to the previous release in the same series.

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

New Features

  • MXS-2719 Allow queuing of switchover/failover
  • MXS-2692 Monitor of binlog router

Bug fixes

  • MXS-3202 Additional grants not mentioned in upgrading document
  • MXS-3196 Errors can be returned in wrong order
  • MXS-3194 Reply with an error if a replica tries to connect with log_file/log_pos
  • MXS-3191 New binlog router should clearly says that it does not file/pos based options in CHANGE MASTER
  • MXS-3181 Binlog Router should understand all monitor queries
  • MXS-3177 Fix download link in documentation
  • MXS-3176 MaxGUI logs admin user out after dbfwfilter is added to MaxScale config file
  • MXS-3175 Make pinloki deployment simple and observeable
  • MXS-3171 PHP 7.2 + PDO - invalid HandShakeResponse
  • MXS-3167 Access Denied for User Error when Upgrading to 2.5.x and Using Binlogrouter
  • MXS-3165 cache_inside_transactions vs cache_in_transactions
  • MXS-3164 Handle AuthSwitchRequest-packet properly in standard auth plugin
  • MXS-3163 Wrong type for server and global modules
  • MXS-3160 PLUGIN_AUTH_LENENC_CLIENT_DATA capability not set
  • MXS-3150 MaxGUI should redirect to 404 page if id of details route doesn't exist
  • MXS-3149 Monitor should remove [Master] when starting swithover
  • MXS-3148 Binlogrouter doesn't accept trailing semicolons
  • MXS-3147 Pinloki should not create logically empty binlog files.
  • MXS-3143 FOUND_ROWS() not routed to previous target
  • MXS-3140 Deleting a resource causes navigating to login page.
  • MXS-3130 Documentation for the source parameter is inaccurate
  • MXS-3110 bad handshake error in maxscale 2.5.1
  • MXS-2680 Monitor type not shown in show monitors
  • MXS-1998 Shard map refresh is not logged on any level

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.


RPM and Debian packages are provided for supported the 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.


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