> 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/community-server/changelogs/10.6/10.6.4.md).

# MariaDB 10.6.4 Changelog

MariaDB 10.6.4 is a Stable (GA) release of MariaDB Community Server 10.6, released on 2021-08-06

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<p align="center">The most recent release of MariaDB Community Server 10.6 is: <a href="/docs/release-notes/community-server/10.6/10.6.28.md"><strong>10.6.28</strong></a> Stable (GA)</p>

<p align="center"><a href="https://mariadb.com/downloads/" class="button primary">Download Community Server 10.6.28</a></p>

<p align="center"><a href="https://downloads.mariadb.org/mariadb/10.6.28/"><sub><em>Alternate download from mariadb.org</em></sub></a></p>
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<a href="https://downloads.mariadb.org/mariadb/10.6.4/" class="button primary">Download</a> <a href="/docs/release-notes/community-server/10.6/10.6.4.md" class="button secondary">Release Notes</a> <a href="/docs/release-notes/community-server/changelogs/10.6/10.6.4.md" class="button secondary">Changelog</a> <a href="/docs/release-notes/community-server/10.6/what-is-mariadb-106.md" class="button secondary">Overview of 10.6</a>

**Release date:** 6 Aug 2021

For the highlights of this release, see the [release notes](/docs/release-notes/community-server/10.6/10.6.4.md).

The revision number links will take you to the revision's page on GitHub. On [GitHub](https://github.com/MariaDB/server/tree/10.6) you can view more details of the revision and view diffs of the code modified in that revision.

* Includes all fixes from [MariaDB 10.5.12](/docs/release-notes/community-server/changelogs/changelogs-mariadb-105-series/mariadb-10512-changelog.md)
* [Revision #2db692f5b4](https://github.com/MariaDB/server/commit/2db692f5b4)\
  2021-08-03 11:38:55 +0200
  * [MDEV-26180](https://jira.mariadb.org/browse/MDEV-26180): Enable test main.sp-row after the 10.5 merge
* Merge [Revision #7ae6ef5236](https://github.com/MariaDB/server/commit/7ae6ef5236) 2021-08-03 11:21:22 +0200 - Merge branch '10.5' into 10.6
* [Revision #a4482cdbed](https://github.com/MariaDB/server/commit/a4482cdbed)\
  2021-08-02 10:18:35 +0200
  * new columnstore
* Merge [Revision #6efb5e9f5e](https://github.com/MariaDB/server/commit/6efb5e9f5e) 2021-08-02 10:11:41 +0200 - Merge branch '10.5' into 10.6
* [Revision #07674e6a74](https://github.com/MariaDB/server/commit/07674e6a74)\
  2021-07-29 12:55:31 +0200
  * [MDEV-26165](https://jira.mariadb.org/browse/MDEV-26165) Failed to upgrade from 10.4 to 10.6
* [Revision #c314fd8c1a](https://github.com/MariaDB/server/commit/c314fd8c1a)\
  2021-07-17 21:17:41 +0200
  * compilation failure on clang 11.1.0
* [Revision #3b052f8187](https://github.com/MariaDB/server/commit/3b052f8187)\
  2021-07-15 09:39:44 +0200
  * don't use \*.in for test data
* [Revision #3e4fa50571](https://github.com/MariaDB/server/commit/3e4fa50571)\
  2021-07-14 20:52:36 +0200
  * die verbosely in main.mysql\_install\_db\_win
* [Revision #ac56a6c1c4](https://github.com/MariaDB/server/commit/ac56a6c1c4)\
  2021-07-30 08:05:28 +0300
  * fixup e305493b1c0cd4e158c19bab3047a738fcd4e5c5 -DWITH\_DBUG\_TRACE=ON
* [Revision #0aa2bc7a94](https://github.com/MariaDB/server/commit/0aa2bc7a94)\
  2021-07-29 16:41:58 +0300
  * [MDEV-19445](https://jira.mariadb.org/browse/MDEV-19445)/[MDEV-16678](https://jira.mariadb.org/browse/MDEV-16678) fixup: Acquire proper MDL on innodb\_ft\_aux\_table
* [Revision #e305493b1c](https://github.com/MariaDB/server/commit/e305493b1c)\
  2021-07-29 16:38:24 +0300
  * [MDEV-21175](https://jira.mariadb.org/browse/MDEV-21175) follow-up: Remove redundant locking; rely on MDL
* [Revision #86a1428934](https://github.com/MariaDB/server/commit/86a1428934)\
  2021-07-29 16:35:19 +0300
  * [MDEV-23484](https://jira.mariadb.org/browse/MDEV-23484) Rollback unnecessarily acquires dict\_sys.latch
* [Revision #15363a4f1b](https://github.com/MariaDB/server/commit/15363a4f1b)\
  2021-07-29 15:37:35 +0300
  * Cleanup: Remove pars\_stored\_procedure\_call()
* [Revision #92046ba244](https://github.com/MariaDB/server/commit/92046ba244)\
  2021-07-29 15:28:05 +0300
  * [MDEV-25506](https://jira.mariadb.org/browse/MDEV-25506) fixup: Correct a bogus comment
* [Revision #72764b2f29](https://github.com/MariaDB/server/commit/72764b2f29)\
  2021-07-29 15:27:47 +0300
  * Cleanup: Remove a workaround
* [Revision #e8ba64262b](https://github.com/MariaDB/server/commit/e8ba64262b)\
  2021-07-29 15:00:38 +0300
  * [MDEV-26274](https://jira.mariadb.org/browse/MDEV-26274) fts\_lock\_table() attempts to release unreserved dict\_sys.mutex
* [Revision #beb401b25f](https://github.com/MariaDB/server/commit/beb401b25f)\
  2021-06-24 16:42:57 +0530
  * This commit is a fixup for [MDEV-22189](https://jira.mariadb.org/browse/MDEV-22189).
* [Revision #bdae5508b8](https://github.com/MariaDB/server/commit/bdae5508b8)\
  2021-07-26 14:51:19 +0300
  * Cleanup: Remove a test hack
* [Revision #42b9daaea7](https://github.com/MariaDB/server/commit/42b9daaea7)\
  2021-07-23 17:29:51 +0300
  * [MDEV-26138](https://jira.mariadb.org/browse/MDEV-26138) innodb\_flush\_log\_at\_trx\_commit=3 doesn't flush
* [Revision #c35ac54891](https://github.com/MariaDB/server/commit/c35ac54891)\
  2021-07-22 14:30:57 +0300
  * Update libmariadb
* Merge [Revision #7783161f30](https://github.com/MariaDB/server/commit/7783161f30) 2021-07-22 13:02:26 +0300 - Merge 10.5 into 10.6
* [Revision #5f4314f0e6](https://github.com/MariaDB/server/commit/5f4314f0e6)\
  2021-07-22 11:17:44 +0300
  * [MDEV-26210](https://jira.mariadb.org/browse/MDEV-26210): Disable mariadb-backup.log\_page\_corruption
* [Revision #a4dc926579](https://github.com/MariaDB/server/commit/a4dc926579)\
  2021-07-21 15:44:32 +0300
  * [MDEV-26193](https://jira.mariadb.org/browse/MDEV-26193): Wake up purge less often
* Merge [Revision #641f09398f](https://github.com/MariaDB/server/commit/641f09398f) 2021-07-22 10:11:08 +0300 - Merge 10.5 into 10.6
* [Revision #f43370baf3](https://github.com/MariaDB/server/commit/f43370baf3)\
  2021-07-21 19:31:17 +0700
  * [MDEV-26150](https://jira.mariadb.org/browse/MDEV-26150): follow-up patch to add missing fill opt\_trace,ps.rdiff
* [Revision #61fcbed920](https://github.com/MariaDB/server/commit/61fcbed920)\
  2021-07-20 17:36:46 +0300
  * [MDEV-26192](https://jira.mariadb.org/browse/MDEV-26192): Sparse files are being created on thinly provisioned storage
* [Revision #ed0a7b1b3f](https://github.com/MariaDB/server/commit/ed0a7b1b3f)\
  2021-07-20 17:35:03 +0300
  * [MDEV-24626](https://jira.mariadb.org/browse/MDEV-24626) fixup: Remove useless code
* [Revision #68694c8ed9](https://github.com/MariaDB/server/commit/68694c8ed9)\
  2021-07-20 12:36:35 +0300
  * Update libmariadb
* [Revision #ae62f115be](https://github.com/MariaDB/server/commit/ae62f115be)\
  2021-07-20 10:55:03 +0300
  * [MDEV-26166](https://jira.mariadb.org/browse/MDEV-26166): non-functional changes
* Merge [Revision #eb9a28478f](https://github.com/MariaDB/server/commit/eb9a28478f) 2021-07-20 10:54:17 +0300 - Merge 10.5 into 10.6
* [Revision #832e473d5e](https://github.com/MariaDB/server/commit/832e473d5e)\
  2021-07-19 23:13:18 +0700
  * [MDEV-26181](https://jira.mariadb.org/browse/MDEV-26181): The test compat/oracle.sp-row fails in case it is run in PS mode.
* [Revision #fa45400d77](https://github.com/MariaDB/server/commit/fa45400d77)\
  2021-07-19 17:16:54 +0700
  * [MDEV-26149](https://jira.mariadb.org/browse/MDEV-26149): The test main.fetch\_first fails in case it is run in PS mode
* [Revision #74f5aa164e](https://github.com/MariaDB/server/commit/74f5aa164e)\
  2021-07-16 23:20:36 +0200
  * [MDEV-19237](https://jira.mariadb.org/browse/MDEV-19237) - Fix assertion in should\_send\_column\_info
* Merge [Revision #e7f4daf88c](https://github.com/MariaDB/server/commit/e7f4daf88c) 2021-07-16 22:12:09 +0200 - merge 10.5 to 10.6
* [Revision #461cac8901](https://github.com/MariaDB/server/commit/461cac8901)\
  2021-07-16 09:30:36 +0700
  * [MDEV-26150](https://jira.mariadb.org/browse/MDEV-26150): The test main.opt\_trace fails in case it is run in PS mode
* [Revision #429382c29f](https://github.com/MariaDB/server/commit/429382c29f)\
  2021-07-15 16:27:31 +0700
  * [MDEV-26142](https://jira.mariadb.org/browse/MDEV-26142): Fix failures of the tests main.features and sys\_vars.stored\_program\_cache\_func when they are run in PS mode
* [Revision #ff0d3bb8dd](https://github.com/MariaDB/server/commit/ff0d3bb8dd)\
  2021-07-14 22:23:36 +0700
  * [MDEV-26146](https://jira.mariadb.org/browse/MDEV-26146): The test main.limit\_rows\_examined fails in case it is run in PS mode.
* [Revision #04369f9cee](https://github.com/MariaDB/server/commit/04369f9cee)\
  2021-05-29 21:58:51 -0700
  * Implement simple Gitlab-CI pipeline for MariaDB with RPM builds
* [Revision #edcab6366f](https://github.com/MariaDB/server/commit/edcab6366f)\
  2021-07-13 16:10:02 +0200
  * simplify myskel.m4 and make it work when a path contains '@'
* [Revision #a8410693dc](https://github.com/MariaDB/server/commit/a8410693dc)\
  2021-07-06 09:50:41 -0400
  * bump the VERSION
* [Revision #94c508dd4f](https://github.com/MariaDB/server/commit/94c508dd4f)\
  2021-07-06 00:06:20 +0200
  * [MDEV-22709](https://jira.mariadb.org/browse/MDEV-22709) Assertion \`store.length() <= (256L\*256L\*256L-1)' failed in net\_send\_ok

{% hint style="info" %}
Be notified of new MariaDB Server releases automatically by [subscribing](https://lists.mariadb.org/postorius/lists/announce.lists.mariadb.org/) to the MariaDB Foundation community announce 'at' lists.mariadb.org announcement list (this is a low traffic, announce-only list). MariaDB plc customers will be notified for all new releases, security issues and critical bug fixes for all MariaDB plc products thanks to the Notification Services.

MariaDB may already be included in your favorite OS distribution. More information can be found on the [Distributions which Include MariaDB](/docs/general-resources/distributions-including-mariadb.md) page.
{% endhint %}

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