Release 2.1.0

ABI summary:

• mirclient ABI unchanged at 10
• miral ABI bumped to 4
• mirserver ABI unchanged at 54
• mircommon ABI unchanged at 7
• mirplatform ABI bumped to 20
• mirprotobuf ABI unchanged at 3
• mirplatformgraphics ABI bumped to 18
• mirinputplatform ABI unchanged at 7
• mircore ABI unchanged at 1
• mircookie ABI unchanged at 2

Enhancements:

• Minimize locking in KeyRepeatDispatcher
• Unbreak offscreen renderer for EGL versions 1.5+
• gbm-kms: Support zwp_linux_dmabuf_unstable_v1. (Closes: #1663)
• performance: do not fail performance tests unless there is no result
• performance: Add HostedGLMark2Wayland performance tests
• New mir-wlcs-integration package
• [Wayland] Report rotated output sizes (a workaround until we correctly support transforms for outputs and surfaces)
• [Wayland] Implement zwlr_layer_shell_v1 version 3
• [Wayland] Implement wlr_foreign_toplevel_management_unstable_v1
• Log SIGHUP and other signals
• [X11] Create event dispatcher before running server. (Related to #1722 and #1723)
• [X11] Manage X11 windows that existed before window manager started. (Related to #1722 and #1723)

Bugs fixed:

• Add --show-splash command line option. (Fixes: #830)
• Track whether there's a usable pointing device and hide/show cursor accordingly. (Fixes #594, fixes #1660)
• Allow GDK to try x11 if wayland fails. (Fixes: #1621)
• Keep the touchpad FD during suspend/resume. (Fixes: #1612)
• [input] Don't lock the repeat dispatcher while repeating events. (Fixes: #1617, #1607)
• [wayland] don't send/apply input events after rebuilding state. (Fixes: #1607)
• [miral-shell] Use key codes, not scan codes to identify keys. (Fixes: #1627)
• [mir_performance_tests] Kill clients started in regression_test_1563287. (Fixes: #1637)
• LogindConsoleServices should release control on destruction. (Fixes: #1635 Also fixes at least part of #1631 and #1632)
• eglstream-kms: Actually save CRTC on startup (Fixes: #1466)
• [MirAL] Don't give the supplied Wayland extension filter the choice of supporting extensions that are not optionally supported. (Fixes: #1558)
• [Wayland] Fix focus issues with popups. (Fixes: #1625)
• [Wayland] Send wl_touch.up() and wl_keyboard.leave() events when surface destroyed. (Fixes: #1236)
• [Wayland-platform] Compositing shouldn't block in eglSwapBuffers(). (Fixes: #1100)
• [X11] Provide a way for platforms to tweak the Xwayland options and use it for eglstream-kms. (Fixes: #1634)
• [X11] Better diagnostics when Xwayland can't be found/executed. (Fixes: #1604)
• [X11] Respect initial window state. (Fixes #1669)
• [X11] input platform: ignore key repeats. (Fixes #917)
• [X11] Process some of the X11 window types and rework the logic to identify parents. (Fixes: #1665)
• [X11] Handle windows that specify multiple window types. (Fixes: #1250)
• [X11] Give each XWayland app it's own session. (Fixes: #479)
• [X11] Don't wait for Xwayland to init before starting WM. (Fixes: #1722)