Mir is a set of libraries for building Wayland-based shells. Mir simplifies the complexity that shell authors need to deal with: it provides a stable, well-tested, high-performance platform with touch, mouse and tablet input, multi-monitor capabilities, and secure client-server communication.

ABI summary

• miral ABI upgraded to 5
• mircore ABI upgraded to 2
• miroil ABI upgraded to 2

Enhance

• [Wayland] Implement zwp_idle_inhibit_manager_v1
• [Wayland] Implement zwlr_virtual_pointer_v1
• [Wayland] Implement zwp_text_input_manager_v1
• [Wayland] Raise wl_seat to v8 and implement high pixel scrolling
• [Wayland平台] Improve connection failure error
• [Wayland平台] Ported to xdg-shell
• [MirAL] allow --add-wayland-extenions all
• [MirAL] Allow server to get duplicate string options
• [MirAL] Improvements to ExternalClientLauncher, don’t force the client to split the command line by itself
• [MirAL] Organize event filtering API
• [MirAL] Expose miral::Zone::id()
• [MirAL] Rename CommandLineOption => ConfigurationOption
• [gbm-kms] Added default values ​​for nvidia and evdi driver-quirks
• [gbm-kms] Add default driver query for vc4-drm and v3d
• [mir-smoke-test-runner] Enable features that only work in the Wayland environment

fix bugs

• [Wayland] Send keyboard modifiers after keyboard input
• [Wayland] wlr-screencopy-v1: send as requested .damage event
• [Wayland] wlr-screencopy-v1: in .copy_with_damage Waiting for replication area to be corrupted in request
• [eglstream-kms] Kill clients, not Mir when submitting bad EGLStreams
• [eglstream-kms] Handling EGL errors in devnum_for_device
• [test clients] Explicitly ask for GLESv2 context
• CMake cleanup of locally built dependencies
• fix event timestamp
• …

For more details, please check: https://github.com/MirServer/mir/releases/tag/v2.9.0