Issues

• add_custom_keybinding() returns a valid action id for an unparseable accelerator: no grab, no warning, dead shortcut

  linuxmint/muffin#867 · Filter by author lide4144 opened on Oct 1, 2026

• ClutterShaderEffect never releases offscreen buffer once applied to a ClutterActor

  linuxmint/muffin#865 · Filter by author programmer2514 opened on Sep 29, 2026

• Disable window resize dimension overlay

  linuxmint/muffin#864 · Filter by author sporteka2 opened on Sep 19, 2026

• Make Shift-driven legacy window snapping configurable

  linuxmint/muffin#863 · Filter by author jonarihen opened on Sep 19, 2026
  2

• SIGSEGV in meta_window_unmaximize when restarting Cinnamon on X11

  linuxmint/muffin#862 · Filter by author BigCatMellow opened on Sep 19, 2026

• X11 audible bell is disabled by muffin, but nothing replaces it when audible-bell is false

  linuxmint/muffin#858 · Filter by author Fantu opened on Aug 30, 2026
  4

• Bug: Maximized always-on-top window is incorrectly stacked below another monitor's window

  linuxmint/muffin#855 · Filter by author jarkt opened on Aug 19, 2026
  2

• Fullscreen windows are not unredirected on NVIDIA X11 even with unredirect-fullscreen-windows enabled, preventing G-SYNC/VRR

  linuxmint/muffin#847 · Filter by author Tedpac opened on Jul 30, 2026
  2

• WM_TRANSIENT_FOR resolved only once at manage time — transient never follows its parent to another workspace if it was mapped first

  linuxmint/muffin#846 · Filter by author d4rken opened on Jul 26, 2026

• SIGSEGV in meta_x11_display_logical_monitor_to_xinerama_index — race condition between monitor hotplug and GetMonitors DBus call

  linuxmint/muffin#825 · Filter by author H3xano opened on May 29, 2026

• Muffin loses keyboard focus after IBus restart (triggered by cache reset) until Cinnamon is restarted

  linuxmint/muffin#824 · Filter by author pyz0123-cpu opened on May 25, 2026

• Bug: Muffin aggressively overrides user-disabled display state upon DRM hotplug events (Monitor Input Polling)

  linuxmint/muffin#819 · Filter by author RedDawe opened on Apr 28, 2026

• Regression in 6.6.3: GTK3/GTK4 clients SIGABRT with "xcb_xlib_extra_reply_data_left" under muffin (Mint 22.3 Zena)

  linuxmint/muffin#818 · Filter by author cdhainaut opened on Apr 23, 2026
  3

• NULL deref in meta_x11_display_logical_monitor_to_xinerama_index

  linuxmint/muffin#817 · Filter by author t34-dev opened on Apr 21, 2026
  4

• muffin leaks (interns unbound number of) atoms

  linuxmint/muffin#816 · Filter by author nbuwe opened on Apr 12, 2026
  1

• Crash: XDamageCreate on already-destroyed window causes BadDrawable fatal error

  linuxmint/muffin#807 · Filter by author UweSchneider opened on Mar 4, 2026
  3

• Muffin compositor leaks memory at ~100-140KB/s on X11 with dual monitors

  linuxmint/muffin#806 · Filter by author zackgomez opened on Mar 4, 2026

• Error resizing applications when there is one application in each corner of the screen.

  linuxmint/muffin#800 · Filter by author juario91 opened on Feb 18, 2026

• Segfault in _clutter_actor_queue_only_relayout during window icon update

  linuxmint/muffin#789 · Filter by author theesp opened on Jan 28, 2026
  1

• Cursor not autohiding with MPV when starting in full screen

  linuxmint/muffin#783 · Filter by author sinclair-spectrum opened on Jan 13, 2026

• Turning on or off second monitor with the screensaver on exposes open windows

  linuxmint/muffin#775 · Filter by author Akos364 opened on Dec 20, 2025

• alacritty doesn't takes focus

  linuxmint/muffin#772 · Filter by author Magikh42 opened on Dec 15, 2025
  15

• Crash in libmuffin-clutter (NULL pointer dereference)

  linuxmint/muffin#769 · Filter by author rainerjung opened on Dec 10, 2025
  10

• Firefox CSD: Mouse click offset and titlebar gap at 200% HiDPI scaling

  linuxmint/muffin#764 · Filter by author rodolfomartinez opened on Nov 19, 2025
  4

• Window Menu (Alt+Space) missing accelerator keys

  linuxmint/muffin#763 · Filter by author mixmastamyk opened on Nov 8, 2025