Omarchy 4.0 has rewritten its entire desktop shell using Quickshell. The bar, launcher, menus, notifications, and other elements are are in Quickshell using a long-running shell process that is coherent, fully-themed, IPC-scriptable shell to replace a lot of independent prior components positioned around the Hyprland compositor. Quickshell is a toolkit using Qt Quick for providing the "building blocks for your desktop" and both X11 and Wayland compatible.
Omarchy 4.0 also now supports dual boot installations, the ISO size is smaller than before, NetworkManager is now used for the new network panel, and a variety of other enhancements throughout this desktop-focused distribution.
The lengthy list of Omarchy 4.0 changes in full and ISO downloads of this new release can be found via GitHub .