Release 2.3.2

ABI summary:

• mirclient ABI unchanged at 10
• miral ABI unchanged at 4
• mirserver ABI unchanged at 54
• mircommon ABI unchanged at 7
• mirplatform ABI unchanged at 20
• mirprotobuf ABI unchanged at 3
• mirplatformgraphics ABI unchanged at 18
• mirinputplatform ABI bumped to 8
• mircore ABI unchanged at 1
• mircookie ABI unchanged at 2
• mirwayland ABI bumped to 2

Enhancements:

• First pass at copy/paste between Wayland and XWayland
• Hint to Firefox that it should use Wayland when launched by miral
• [Error handling] Report information from nested exceptions
• Use standard key repeat values
• [platforms] Enable linux-dmabuf on X11 and Wayland platforms
• [platforms/linux-dmabuf] Support the full range of driver-exposed formats
• [platforms/gbm-kms] Don't warn about being unable to find the current mode of disconnected outputs
• [platforms/gbm-kms] Log exceptions in probe better
• [miral] Document miral::Window
• [miral] Document miral::display_configuration_options()
• [miral-kiosk] Allow wayland extensions to be configured in kiosks (and enable pointer confinement by default)
• [Wayland] Enable xdg_output_unstable_v1 by default
• [Mir-on-X] Improve HiDPI support for XWayland
• [mir-shell] Improve launching of GNOME Terminal.

Bugs fixed:

• Print help text to stdout instead of stderr. (Fixes #1043)
• [Wayland] Send sub-pixel input events to clients (Fixes: ##1814, #1828)
• [miral] Clamp window resize to min/max. (Fixes #1821)
• [miral] Shrink initially maximized windows on restore. (Fixes #1817)
• [Wayland] Better help message when WAYLAND_DISPLAY in use. (Fixes: #1851)
• [platforms] Disable natural scrolling on the X11 and libinput platforms. (Fixes #1813)
• [miral-app] Use mktemp instead of deprecated tempfile (Fixes #1924)

v2.3.1

Tag "burnt" due to scripting errors

v2.3.0

Tag "burnt" due to scripting errors

Release 2.2.0

ABI summary:

• mirclient ABI unchanged at 10
• miral ABI unchanged at 4
• mirserver ABI unchanged at 54
• mircommon ABI unchanged at 7
• mirplatform ABI bumped to 21
• mirprotobuf ABI unchanged at 3
• mirplatformgraphics ABI bumped to 19
• mirinputplatform ABI unchanged at 7
• mircore ABI unchanged at 1
• mircookie ABI unchanged at 2

Enhancements:

• Add logical output group (aka "display wall") support
• [X11] Pick up min/max size
• [wayland] Allow adding and dropping Wayland extensions
• [performance-tests] Use a EGL visual with no alpha channel
• [wayland] More correct handling of DRM_FORMAT_MOD_INVALID
• [debian] Add metapackages for each of the graphics platforms
• [miral-app] more robust launcher script
• [gbm-kms] Implement composite-bypass for Wayland clients

Bugs fixed:

• [mir-kiosk] Fix --startup-apps option
• [wayland] linux-dmabuf: Fix sending invalid modifiers
• [wayland-platform] Report host refresh rate correctly. (Fixes: 1741)
• [wayland-platform] Flush Wayland messages on the correct thread. (Fixes: #1775)
• [X11] Support undecorated windows. (Fixes: #1758)
• Fix Rawhide FTBFS. (Fixes: #1743, #1746)
• Support software buffers on X11, Wayland and GBM/KMS. (Fixes: #914)

1.x-Series Patch Release 1.8.1

For those needing compatibility with Unity8, here's a 1.x series patch release, fixing the build against newer versions of Mesa.

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)

Release 2.0.0

ABI summary:

• mirclient ABI bumped to 10
• miral ABI bumped to 4
• mirserver ABI bumped to 54
• mirplatform ABI bumped to 19
• mirplatformgraphics ABI bumped to 17
• mirclientplatform dropped

Enhancements:

• Drop legacy packages: libmirclient-dev, mir-client-platform*, mir-utils, libmirserver-dev and mirtest-dev
• Drop legacy config options: "host-socket", "nested-passthrough" & "name"
• [mirclient] Drop obsolete stuff we don't use
• [graphics] Reworked graphics platform API
• [graphics] Improved probing of egmstreams-kms platform
• [graphics] Improved probing of gbm-kms platform
• [graphics] gbm-kms (formerly mesa-kms) platform is independent of mesa
• [graphics] gbm-x11 (formerly mesa-x11) platform is independent of mesa
• [graphics] rpi-dispmanx New DispmanX platform
• [miral] Remove dependency on mirclient; drop deprecated APIs and tidy up
• [miral] Allow shells to enable/disable SSD
• [miral] Add scale support to DisplayConfiguration. (Fixes: #1423)
• [mir-demos] miral-shell uses a better default terminal emulator
• [mir-demos] mir-shell gets the user keymap from gsetting
• [mir-demos] Add a "fake-mir-kiosk" script to assist snap development
• [Wayland] Clean up code
• [X11] Clean up code
• [performance tests] Remove mirclient legacy, add X11 based tests
• Improve WLCS integration: change mir_discover_external_gtests to take an explicit list of expected failures.
• [Tests] mir-smoke-test-runner: Start with Mir's eglinfo

Bugs fixed:

• [input] Use xkb scan code to identify modifier keys. (Instead of unreliable key_sym). (Fixes: #1515)
• [input] Don't auto repeat modifier keys. (Fixes: #1598)
• [X11] Do not force XWayland EGL to use DRM
• [X11] Treat COMPOUND_TEXT as a string type. (Fixes: #1552)
• [X11] Initialize BasicDecoration in a threadsafe way. (Fixes #1479)
• [X11] Stack X11 surfaces correctly on the XWayland server
• [X11] Handle failure to open both abstract and ordinary X11 sockets. (Fixes: #1449)
• [graphics] Add a PlatformPriority::hosted probe value. We now select a hardware-accelerated X11 platform over a software-rasterised mesa-kms platform. (Fixes: #1543)
• [miral] Add WindowManagerTools::active_application_zone() (Fixes: #1530)
• [miral] Drop the --startup-apps configuration option from MirRunner. (Fixes: #1531)
• [Wayland] WaylandInputDispatcher only takes input events (fixes #1047)
• [Tests] Make LTTNG fork()-safe. (Fixes #1405)

v1.8.0

ABI summary:

-mirplatform ABI bumped to 18

Enhancements:

-[Mir-on-X] Allow specifying scale for fake outputs
-[MirAL] Implement a "no active window" state
-[geometry] Allow division by a scaler
-[Mir-on-X] Enable --display-config option
-[Mir-on-X] Disable host X11 cursor on Mir window
-[Mir-on-Wayland] Correct scaling on HiDPI
-[mir-shell] Scale background correctly
-[mesa-kms] Support scaled outputs
-[Wayland] Support scaled clients
-[graphics] Fix side-by-side display config for scaled outputs
-[mir-shell] Support launching GNOME Terminal on all platforms
-[Mir-on-Wayland] Only connect if wayland-host is configured

Bugs fixed:

-[mir-shell] First Ctrl-Alt-T for gnome-terminal takes ~30s (#1319)
-[mir-shell] GTK apps make at-spi2-registr hog CPU (#1321)
-[mir-shell] Hangs on exit when run with multiple X11 windows (#1327)
-[X11] Cursor input sometimes "goes through" the top window (#1275)
-[renderer] Flicker and crashes with multiple outputs (#1317, #1332)
-[graphics] Crash when software cursor changed rapidy (#1347)
-Fedora support (#1382, #1384)
-[mirclient] Do not send events to windows after they are release

v1.7.1

ABI summary:

• mirclient ABI unchanged at 9
• miral ABI unchanged at 3
• mirserver ABI unchanged at 53
• mircommon ABI unchanged at 7
• mirplatform ABI unchanged at 17
• mirprotobuf ABI unchanged at 3
• mirplatformgraphics ABI unchanged to 16
• mirclientplatform ABI unchanged at 5
• mirinputplatform ABI unchanged at 7
• mircore ABI unchanged at 1
• mircookie ABI unchanged at 2

Enhancements:

• [X11] Lots of improvements to Xwayland & X11 window managment
• [X11] X11 support is no longer "experimental" (--enable-x11 replaces --x11-display-experimental )
• [X11] add --x11-displayfd option
• [miral] Make app launch environment configurable. (Fixes: #1268)
• [miral] Add ExternalClientLauncher::launch_using_x11()
• [demos] Simplify miral-app script and make terminal logic more robust
• [demos] Add "Mir Shell" to greeter
• [demos] Install Wayland dependences via Debian "Recommends"
• Tell Java toolkits that we're a non-reparenting window manager

Bugs fixed:

• [X11] Lots of fixes to Xwayland & X11 window managment code
• [miral] Occasionally input locks when launching apps. (#1218)
• Fix FTBFS with g++-10. (Fixes: #1259)
• Correct logic to locate gmock when gtest has package configuration. (Fixes: #1228)
• Fix FTBFS caused by GTest deprecation of INSTANTIATE_TEST_CASE_P
• Use ByteSizeLong instead of deprecated ByteSize. (Fixes #1127)
• Fix unnecessary copies in range-for loops (Clang-11 fixes)

v1.7.0

ABI summary:

• mirserver ABI bumped to 53

Enhancements:

• [X11] Add basic window decorations
• [X11] Add a configuration option to specify the Xwayland executable
• [X11] Code cleanup: fix threading, initialization, style, etc.
• [server/input] Use a sorted map for outputs
• BasicWindowManager requests on unknown windows should noop

Bugs fixed:

• [X11] Don't restart Xwayland if we killed it deliberately (Fixes: #1169)
• [X11] We don't need to stop Xwayland when pausing the Mir server. (Fixes: #1188)
• [wayland-platform] Apply output scale. (Fixes: #1133)
• [wayland] (cursor code) don't assume PixelSource::read() will execute the do_with_pixels functor. (Fixes: #1180)
• [packaging] Add libwayland-dev to Build-Depends
• Fix clang found clangers