The last full-time release of the X.org server took place in 2018 with version 1.20. With the trend towards Wayland, Red Hat is no longer interested in taking over release management for X.org as it used to be. For a long time no other organization or a developer could be found for the task.
After years of release in sight
That changed a few months ago when the independent Lithuanian developer Povilas Kanapickas started preparing a release and released a development snapshot with modified versioning asat the beginning of June. A is now available, just behind schedule. If necessary, Kanapickas wants to publish more RCs about fortnightly.
X.org Server 21.1.0 will be the first release that ships without XWayland, which was spun off from X.org some time ago due to delays in its release and released as a separate package. Peter Hutterer, developer of Libinput, derives this development in a very informative.
New build system
The new version will now fully support
Can affect rendering of client applications on high-DPI screens. The is attached a complete change log.