Three and a half years after the release of the last significant version, X.Org Server 21.1.0 was released. The version numbering system has been changed: now the first digit is the year, the second is the number of the major release in the year, and the third is the corrective update.
Significant changes include the following:
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Support for Glamor 2D acceleration has been added to xvfb.
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Added full support for the Meson build system. The next major release will remove support for building with autotools.
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There is support for XInput 2.4, which makes it possible to use control gestures on the touchpads.
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XWayland is now released as a standalone package with its own development cycle.
A number of minor changes and fixes have also been made.