With the GNOME 3.31.4 released, development has picked up speed again and we see many changes being merged in all major components. Notably, mutter has dropped support for the Autotools build system and fully relies on meson for now. Besides that another performance related change has been committed that further smooths client frame rates.

gnome-shell

• Further cherry-picks on gnome-328
• Use MetaSound to play sounds
• dnd: Repick target actor if destroyed mid iteration
• layout: Always allow hiding the overview
• Add Introspect API

mutter

• clutter/x11: Implement keycode remap to keysyms on virtual key devices
• compositor: Fix maybe-uninitialized warning
• build: Install .pc files in correct location
• Drop Autotools
• window: monitor can be NULL
• core: Fix compiler warning in MetaSoundPlayer
• Add MetaSoundPlayer sound abstraction
• clutter: remove deprecated ClutterMedia.
• clutter-stage: Don’t emit “after-paint” when picking [performance]
• A few gtk-doc and meson fixes
• Add some gtk-doc comments.
• shaped-texture: Reverse transform of damage in update_area()
• shaped-texture: Use actual texture if tower returned NULL

nautilus

• Include pkg-config package name in introspection file.
• Use CMake’s Ninja backend
• Adwaita.css: Remove custom development styling

GIMP

• Annotation for translators.

gtk

• Use power symbols for GtkSwitch labels
• listbox: set selected_row before emitting signal
• listbox: set selected_row before emitting signal
• switch: Always use I/O
• EventControllerKey: Add missing documentation bits
• Fix a typo in “popup-context-menu” documentation.
• Revert “gdk: deactivate/activate surface on keyboard grabs”
• Revert “gdk: deactivation/activate window on keyboard grabs”
• gtkpopover: Fix popover when parent widget is partially visible
• gtkpopover: Fix popover when parent widget is partially visible
• Don’t get incorrectly scaled cursors from cache
• build: Avoid a Meson deprecation warning
• Theme: add helper class names for Adwaita
• GtkSearchEngineQuartz Fixes
• a11y: Check display in *grab_cell_focus()
• flowbox: Accept multipress gesture late
• translate GtkEventControllerMotion x,y into widget coordinates
• Fix resize corners
• docs: Move commit style docs to the contribution guide

GLib

• gutils: Mention NBSP in g_format_size() documentation
• Resolve “Unbreakable space needed when showing size of folder/file”
• gio: Update bad cert error in accept-certificate and GTlsError docs
• Add g_queue_clear_full API
• gthread: Add g_private_set_alloc0() convenience API
• docs: Add note on how to check a gboolean condition
• gtype: Clarify type of GInterfaceInitFunc
• Fix overflow in GListStore
• gwin32appinfo: Fix a potential free of an uninitialised variable
• gtask: Ensure to return 1 or 0 from getters rather than truthy ints
• goption: Fix an annotation on g_option_context_parse_strv()

gjs

• Resolve “Boxed copy constructor should not be called, split Boxed into prototype and instance structs”

Development is picking up speed slowly, however there were no new merges for GNOME shell or gjs.

mutter

• renderer/native: Use shadow fb on software GL if preferred
• Cleanup X11 code from MetaWindowActor
• Fix EGLStream texture pixel downloading
• x11-display: Add back _GTK_EDGE_CONSTRAINTS as supported hints

nautilus

• Changing pathbar style of “move to” dialog
• Resolve “list view timestamp columns have wrong alignment”

GIMP

Most of the development is committed directly to the repo, so most of the development is not visible here but in the commit list.

• Added OARS

gtk

• Wayland: Support key theme setting
• gtkplacessidebar.c: move bookmark at the placeholder index
• gtkplacessidebar.c: move bookmark at the placeholder index
• Zero-fill new GtkTextIter
• Use zwp_text_input_v3 on gtk4
• revealer: Fully set the target state if unmapped during animation
• revealer: Fully set the target state if unmapped during animation

GLib

• Backport tests: Allocate gvariant data from the heap to guarantee alignment to glib-2-56
• Backport Suppress -Wint-in-bool-context warning with G_DEFINE_INTERFACE and g++ to glib-2-58
• gvariant test: Also force alignment for tuple test data
• win32 gpoll: overcome the 64 handles limit
• gtype: Document type for iface_default_init() function
• gmacros: Don’t use alignof in G_ALIGNOF implementation

The last week in 2018 did not bring a lot of merges. Let’s see when the steam picks up for GNOME 3.32.

mutter

• build: Always pass –quiet to g-ir-scanner

gtk

• Annotate values of PRIORITY constants
• Win32: Fix typo on compilation speedup macro define [Gtk4]
• Win32: Fix typo on compilation speedup macro define
• Merge branch ‘fix-polygon-svg-recolor’ into ‘master’

GLib

• gspawn, win32: qouted args - escape end backslash
• docs: Mention handling of filenames containing colons in gio docs
• docs: Fix dconf GSETTINGS_BACKEND name in gio overview

gjs

• December maintenance

Development slowed down even more this reducing request merges of gnome-shell, nautilus and gjs to zero. In other projects, the changes are mostfly bugfixes

mutter

• meson.build: Print correct value of EGLStream support
• Try to avoid converting twice in Cogl read-pixels
• Installed tests on Meson
• Unassorted performance fixes
• input-settings: treat a serial of 1 as serial of 0

GIMP

• app: add gtk_combo_box_set_wrap_width for scale menu

gtk

• gtk/gtkiconcache.c: Fix running on GLib-2.57.3 or later on Windows
• Wacom tool type fixes
• Revealer: Don’t (under)allocate child if not shown (+bonus: actually put enough filler text in testrevealer)
• quartz/display: add back scaling factor
• gdkevents-win32.c: Use g_strdup() in gdk_settings_notify()

GLib

• gmacros: Add G_ALIGNOF superseding _g_alignof macro
• Issues/1620
• honor “Property.EmitsChangedSignal” annotations
• glib-2-58: tests: Allocate gvariant data from the heap to guarantee alignment
• Suppress -Wint-in-bool-context warning with G_DEFINE_INTERFACE and g++
• glib-compile-resources: Add external data option
• Revert “tests: Fix GOptionContext leak in GSubprocess tests”
• Improve documentation of g_assert_error()
• gthread: Clarify priority handling in GRWLock
• gmarkup: Make the documentation even more explicit about untrusted input
• gtask: Add a g_task_set_name() method
• Add UTF-8 communication tests for GSubprocess
• Align the reference counted allocations
• GTlsConnection: add ALPN support
• gtlscertificate: Add support for TPM keys in PEM files
• gdbus-codegen: Add missing nullable and optional g-i annotations to generated code
• Various minor docs fixes
• Do not check for NULL when calling free()
• Add GRecMutexLocker