For those continuing to make use of the X.Org Server, a new point release is now available in the 21.1 series. While most often X.Org Server stable releases these days are driven by shipping new security fixes, the X.Org Server 21.1.21 release is to fix several regressions introduced for various functional issues.

Red Hat engineer Olivier Fourdan released X.Org Server 21.1.21 this morning and it simply consists of various code reverts in order to address some reported problems with the X.Org Server usage, particularly when using NVIDIA graphics.

Olivier Fourdan explained in today's [1]21.1.21 release announcement :

"A bug fix release to address a number of regressions reported in the latest releases.

The changes being reverted here are part of a series of changes previously backported in the stable branch, yet these are not actual fixes to address bugs found in the stable branch, while those changes introduced regressions with reverse PRIME with the NVIDIA closed-source driver, issues with 10-bit output with the AMDGPU driver and reduced performance with the AMDGPU driver."

So for those using the X.Org Server, go forth and [2]update if affected by any of these issues. There are no other changes in xorg-server 21.1.21 besides these code reverts.



[1] https://lists.x.org/archives/xorg-announce/2025-November/003643.html

[2] https://gitlab.freedesktop.org/xorg/xserver/-/tags/xorg-server-21.1.21