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⇱ Mir 2.21 Released With Cursor Scaling & Mouse Keys Support - Phoronix

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Mir 2.21 Released With Cursor Scaling & Mouse Keys Support

Written by Michael Larabel in Ubuntu on 26 June 2025 at 11:18 AM EDT. 9 Comments
Mir 2.21 is out today for this Ubuntu/Canonical project to serve as a set of libraries used to simplify the development of Wayland-based shells/environments.

With today's Mir 2.21 release there is now cursor scaling support, support for mouse keys is added to Mir, new configuration options, updates around different Wayland extensions, and also some bug fixes. The Mir 2.21 highlights include:
- Cursor Scaling Support
- Implement mousekeys
- Add key repeat rate/delay config options and properly merge config settings
- feature: add the ability to associate a layout with custom user data
- static_display_config: add display properties to output
- feature: implement xdg toplevel tiled states
- Update of core wayland extensions
- feature: refactor BasicSurface so that it can be used internally by shell authors
- Check DRM for supported formats
- Add an output filter for the purposes of accessibility

Downloads and more details on the Mir 2.21 release via GitHub.

Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.