Enhancements

• Add "idle-timeout" configuration option
• Support zwp_text_input_manager_v2: This older text input protocol is the only one currently supported by Qt.
• Move to c++20
• Add mir::system_executor, linearising_executor
• Add -gdb option to miral-app script to run the server under gdb
• Add miroil (compatibility layer for Lomiri)

Fixes

• Give keyboard focus to menus (grabbing popups).
• XWayland fixes for dialog window type
• Don't send keyboard events without focus
• Don't request axis values when axis is unset.
• Fix mentions of mirclient in mirserver.pc, mirtest.pc
• Fix pkg-config mistakes in mirwayland.pc mirtest.pc
• WlKeyboard: use WlSeat::FocusListener for focus tracking
• Deactivate text input when the Wayland object is deleted
• Send wl_pointer.axis_stop.
• FTBFS with newer deps on Fedora/rawhide, Alpine/edge & Debian/sid
• wl_pointer: do not send events not compatible with version