Mutter (software)

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Developer(s)The GNOME Project
Initial releaseApril 2011; 10 years ago (2011-04)
Stable release
41.1[1] Edit this on Wikidata / 4 November 2021; 2 months ago (4 November 2021)
Preview release
41.rc[2] Edit this on Wikidata / 4 September 2021; 4 months ago (4 September 2021)
Written inC
Operating systemUnix-like
Size40.2 kB (amd64 .deb package)[3]

Mutter is a window manager initially designed and implemented for the X Window System, but then evolved to be a Wayland compositor. It became the default window manager in GNOME 3, replacing Metacity[5] which used GTK for rendering.

Window management[edit]

Mutter uses a graphics library called Clutter giving it OpenGL capability. Mutter is a portmanteau of Metacity and Clutter. Mutter can function as a standalone window manager for GNOME-like desktops, and serves as the primary window manager for the GNOME Shell,[6] which is an integral part of GNOME 3. Mutter is extensible with plug-ins, and supports numerous visual effects. GNOME Shell is written as a plug-in to Mutter.

Release history[edit]

Support for HiDPI was added to version 3.13 of Mutter by Adel Gadllah.[7]

In version 3.13.2 logind integration replaced mutter-launch.[8]

In version 3.13.3 (June 24, 2014) the server side bits of wl_touch_interface were implemented by Carlos Garnacho.[9][10][11][12]



Muffin is a fork of Mutter by the Linux Mint team for their Cinnamon desktop environment. Cinnamon's shell, a fork of GNOME Shell, is written as a plugin for Muffin.


  1. ^ "mutter 41.1"; author name string: Florian Müllner; publication date: 4 November 2021; retrieved: 11 November 2021.
  2. ^ "Tag release 41.rc". Retrieved 27 October 2021.
  3. ^ "Debian Mutter Package in sid". Debian Packages.
  4. ^ "COPYING · master · GNOME / mutter". GNOME GitLab.
  5. ^ Vervloesem, Koen (2009-08-04). "Mutter: a window manager for GNOME 3". Retrieved 2011-12-27.
  6. ^ Kissling, Kristian (2009-07-08). "Mutter: Window Manager in GNOME's Future". Linux Magazine. Retrieved 2011-12-27.
  7. ^ Adel Gadllah (2014-05-03). "wayland: Add basic hidpi support". Retrieved 2014-05-03.
  8. ^ Florian Müllner (2014-05-27). "mutter 3.13.2".
  9. ^ Carlos Garnacho (2014-06-04). "wayland: Implement the server side bits of wl_touch_interface".
  10. ^ Florian Müllner (2014-06-24). "mutter 3.13.3". (Mailing list).
  11. ^ "Bug 724442 – Touchscreen does not work".
  12. ^ Florian Müllner (2014-07-23). "mutter 3.13.4". (Mailing list).

Further reading[edit]

External links[edit]