System76 has launched COSMIC Epoch 1.4.0, the fifth incremental update to its Rust-native Wayland desktop, featuring stability fixes and compositor updates. The update includes a new standalone cosmic-sound-theme package, 13 patches to cosmic-comp addressing various issues like fullscreen mode for games and improved pointer accuracy for fractional scaling. User-facing enhancements include an MTP fallback in cosmic-files, a reset function for search results in the launcher, and improvements for crash prevention in the panel component. The release signifies continued development and community engagement, with COSMIC now being supported across multiple distributions beyond just System76's Pop!_OS

System76 Releases COSMIC Epoch 1.4.0 with Stability Fixes and Compositor Updates

System76 has released COSMIC Epoch 1.4.0, the fifth incremental update to its Rust-native Wayland desktop, with stability fixes landing on July 22, 2026. The update introduces a dedicated cosmic-sound-theme package and delivers 13 patches to cosmic-comp, including fixes for game fullscreen modes, fractional scaling pointer accuracy, and artifact-causing redraws. User-facing improvements span the ecosystem, featuring an MTP fallback in cosmic-files, a search reset in the launcher, and crash prevention in the panel component. 

System76 Releases COSMIC Epoch 1.4.0 with Stability Fixes and Compositor Updates @ Linux Compatible