Document Cinnamon Wayland (Muffin 6.7+) layer-shell support - #288
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Muffin 6.7+ (March 2026, shipping in LMDE 7 / Cinnamon 6.8 / Linux Mint 23) added wlr_layer_shell_v1 v4 support with proper exclusive zone handling. Docking's generic layer-shell backend detects this at runtime and provides panel placement. Muffin does not implement wlr_foreign_toplevel_manager_v1 or ext_workspace_manager_v1 (same as Mutter), so native window tracking and workspace switching are unavailable on Wayland. Docking's xapp_shell_v1 protocol (icon names, progress) is Muffin-specific and not yet integrated. Cinnamon Wayland users on Mint 22.x (Muffin 6.6.3, no layer-shell) should use the X11 session for full Docking support. Desktop.CINNAMON detection is unchanged — it already exists in the Desktop enum.
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Summary
Update README to document that Muffin 6.7+ now supports wlr_layer_shell_v1, enabling Docking on Cinnamon Wayland.
Research findings
Muffin 6.7+ (March 2026, PR linuxmint/muffin#803) added wlr_layer_shell_v1 v4 with proper exclusive zone handling. This ships in LMDE 7 / Cinnamon 6.8 / Linux Mint 23 (late 2026).
Current Mint 22.x (Muffin 6.6.3) does NOT have layer-shell — users should use the X11 session.
Muffin does not implement wlr_foreign_toplevel_manager_v1 or ext_workspace_manager_v1 (same as Mutter), so native window tracking is unavailable. Docking's layer-shell runtime detection handles this correctly.
Desktop.CINNAMON already exists in the Desktop enum — no code changes needed.
Changes