Overview of Changes in GTK 4.0

==============================

* Fix problems with synthetic motion events affecting frame rates

* Fix problems with implicit grabs affecting widget states

* Fix problems with zoom mode on scales getting stuck

* Fix submenu closing by outside clicks

* Rename GtkWindow:fullscreen to :fullscreened to help

language bindings

* Bump the soname. Stable GTK 4 releases use libgtk-4.0.so.1.xxxx.y

* Adwaita:

- Reduce hover transition effects in lists

- Special-case header buttons

* Demos:

- Remove NoDisplay from desktop files

- Autoplay the video in widget-factory

* Translation updates:

Catalan

Norwegian Bokmål

Polish

Spanish

Swedish

Romanian

Ukrainian

Overview of Changes in 3.99.5

=============================

* Accessibility:

- Map presentation role according to Core-AAM

- Use presentation role for spacers in list views

- Set proper roles, relations and descriptions on more widgets

- Expand the documentation

- Use a single GTK_A11Y environment variable and document it

- Serveral memory leak and crash fixes

- Initialize AT contexts lazily

- Improve the API for storing lists in relations

- Implement more of the Component interface

- Implement the Cache interface

- Implement ScrollSubstringTo for GtkTextView

* Introspection:

- Add many missing annotations to APIs

- In particular, nullability annotation fixes for rust

* Touch support:

- Fix issues with text handles

- Fix interaction between touch scrolling and focus

- Fix active state updates for touch events

- Allow pressing buttons with multiple fingers

* GtkScrolledWindow:

- Accumulate velocity with kinetic scrolling

* GtkSearchEntry:

- Use a better clear icon

* GtkTreeView:

- Remove the deprecated GtkCellRendererClass.get_size vfunc

* GtkBuilder:

- Be stricter about <requires>

- Make gtk-builder-tool simplify update <requires>

* GtkFileChooser:

- Remove GtkFileChooserButton

* GtkWindow:

- Replace gtk_window_get_size with gtk_window_get_default_size

- Add maximized and fullscreen properties

* Make the inspector available in non-debug builds

* CSS:

- Support conic gradients

* Adwaita:

- Round all window corners

- Round submenus

- Remove the 'chin' on menus

- Industrial style menuitems

- Improved tooltip styling

- Unified sidebar styles

- Dark prelight

- Don't backdrop labels

* GSK:

- Rename render node apis from peek to get

* Make GLES work in the absence of GL_ARB_timer_query

* Rework the way size allocation is integrated in the

frame cycle

* Wayland:

- Support gtk_shell1 version 3 (startup notification

and activation)

- Implmement minimization

* OS X:

- Mostly working GL renderer

- Search engine updates

- Fix rendering artifacts with hover transitions

- Fix kinetic scrolling deceleration

* Windows:

- Fix key event generation, making text input work

* Documentation:

- Add missing enumerations, symbols and types

- Lots of smaller fixes

* Demos:

- Make the constraints demo more useful

- Make search more obvious

- Add a suggestion entry demo

- Consistency improvements

- Use native file choosers

- Drop 'devel' styling

* Translation updates:

Belarusian

Catalan

Polish

Spanish

Swedish

Ukrainian

Overview of Changes in 3.99.4

=============================

* GtkColumnView:

- Improve column resizing

- Make double-click reset column widths

- Move header outside of scrollbars

* GtkSearchEntry:

- Add an icon

* GtkDropDown:

- Polish the appearance

* GtkColorChooser:

- Accessibility improvements

* GtkPopoverMenu:

- Add accessibility support

- Allow custom items. This adds new API:

gtk_popover_menu_add/remove_child

gtk_popover_menu_bar_add/remove_child

* GtkTextView:

- Fix rendering and positioning of anchored children

- Fix positioning of touch handles

* Constraints:

- Fix loading constraints from ui files

* Media support:

- Use cubic instead of linear volume

* Accessibility:

- Implement Component for all widgets

- Implement Text and EditableText for all editables

- Rework accessible name/description computation

- Add documentation for app and widget developers

- Handle HIDDEN state changes by adding/removing elements

- Support setting accessibility attributes in ui files

- Make window controls accessible

* Introspection:

- Add some missing annotations

* gdk:

- Deliver events on flush

- Drop the unused GdkPoint struct from the API

- Improve popup autohide behavior

* Demos:

- Add another constraints demo

- Tweak various demos to improve consistency

- Small accessibility improvements

* Tools:

- Improve gtk4-builder-tool handling of various

widgets when converting ui files from GTK 3

* Documentation:

- Use GtkApplication in all examples

- Improve and expand the widget gallery

* Testsuite:

- Improve coverage of GDK

- Improve coverage of gtk4-builder-tool

* Build:

- Fix the build with cups 2.2.12

- Make cloudprint support build without warnings

* Broadway:

- Support modifiers for scroll events

* Windows:

- Improve IME support

* OS X:

- Fix various input issues

- Make GtkGLArea work (with the cairo backend)

* Translation updates:

German

Polish

Overview of Changes in 3.99.3

=============================

* Accessibility:

- Add an initial AT-SPI backend

* GtkEmojiChooser:

- Allow inserting multiple Emoji by pressing Control

- Update Emoji data to Unicode 13 / CLDR 37

- Use translations

- The recent-emoji setting type changed. Call

gsettings reset org.gtk.gtk4.Settings.EmojiChooser recent-emoji

* GtkTextBuffer:

- Add boolean returns to some get_iter functions

* GtkScale:

- Change the default value of the :draw-value property

* GtkPopover:

- Avoid losing focus when popovers are close

* GtkColorChooser:

- Add color names back for accessibility

* Input methods:

- Add a 'private' input hint

* GL Renderer:

- Fix issues with texture caching

- Fix texture flipping problems

* Build:

- Use meson yield feature for some options

- Require gtk-doc 1.33

- Require sysprof 3.38

* Wayland:

- Clean up Wayland backend api, add annotations

- Generate introspection for Wayland backend api

* Windows:

- Fix modal window handling and window stacking

* MacOS:

- Fix the build

- Define GDK_WINDOWING_MACOS

- Fix various event handling issues

* Demos:

- Add another column view demo

- Add an svg paintable demo

* Translation updates

Czech

Lithuanian

Polish

Overview of Changes in GTK 3.99.2

=================================

* GtkButton:

- Check coordinates for button releases

* GtkColorChooser:

- Update the default palette

* GtkEntry:

- Fix issues with Emoji insertion

- Fix issues with dnd

- Set correct hotspot for dnd icon

* GtkFileChooser:

- Fix a crash

- Fix setting unlisted filters

* GtkFontChooser:

- Determine sample text based on font coverage (requires fontconfig)

- Allow filtering by language (requires fontconfig)

- Don't center the list

* GtkMenuButton:

- Always use the direction property for the arrow

* GtkPasswordEntry:

- Use non-pageable memory

- Add an ::activate signal

* GtkRevealer:

- Fix clipping issues in the swing transitions

* GtkScrolledWindow:

- Fix kinetic scrolling in X11

* GtkSearchEntry:

- Don't handle forwarded events twice

* GtkStack:

- Add gtk_stack_add_child

* GtkTextView:

- Fix dnd

- Improve undo state tracking

- Speed rendering in the presence of selections

- Make clickable links work again

- Fix handling of anchored children

* GtkVideo:

- Make autoplay work

* CSS:

- Allow more than 64 selectors per rule

- Avoid some allocation overhead

* Adwaita:

- Improve gesture graphics

- Tweak DND highlight color

- Add spacing to .navigation-sidebar

* GDK:

- Add gdk_frame_clock_get_fps

- GLES: Fix color channel mixup in textures

- GL: Reduce image copying for texture uploads

* GSK:

- Add radial gradient nodes

- Add GskGLShader and shader nodes

* GL renderer:

- Fix clipping with projective transforms

- Use linear interpolation for offscreen rendering

with non-axis-aligned transforms

- Fix texture caching to avoid size mismatches

- Avoid downloading GL textures when possible,

improving GtkGLArea performance

* Vulkan renderer:

- Fix swapchain creation

* Windows:

- Fix display of CSD windows

* Wayland

- Always ack configure to avoid jumping windows

- Use the primary-selection-unstable-v1 protocol

* API cleanups:

- Make filter and sorter constructors return exact types

- Rename GdkSurfaceState to GdkToplevelState

- Remove GdkWaylandSurface::committed

- Make Wayland backend api take GdkToplevel

- Drop gtk_widget_new

- Drop cairo_surface_upload_to_gl

- Drop gtk_scrolled_window_set_capture_button_press

- Drop gtk_column_view_column_new_with_factory

- Rename gtk_buildable_set_name to gtk_buildable_set_buildable_id

- Drop other GtkBuildable api

* Demos:

- Bug and crash fixes

- Cosmetic improvements for several demos

- Improve search in the sidebar

- Add a Shadertoy demo

- Add a OpenGL transitions demo

- Add an Emblem demo

- Add a demo for input validation and error states

- Add a demo for context menus

- Make gtk-demo demo itself

* Build:

- Fix Vulkan dependency checking

- Make sysprof truly optional

* Translation updates:

Basque

British English

Catalan

Croatian

Czech

Danish

French

Galician

German

Hebrew

Hungarian

Indonesian

Italian

Kazakh

Latvian

Lithuanian

Persian

Polish

Slovak

Slovenian

Spanish

Turkish

Ukrainian

Overview of Changes in GTK 3.99.1

=================================

* GtkGridLayout: Rename left-/top-attach to column/row

* Drop GtkAccelLabel - it is no longer used

* GtkTextView:

- Fix redraw issues with selections

- Make insert-emoji replace the selection

* GtkTreeView:

- Fix selection handling in cell editables

* GtkPopover:

- Allow setting popup offset

* GtkPlacesSidebar:

- Fix DND

* GtkTextview:

- Speed up gtk_text_buffer_insert_markup

* GtkFrame:

- Set GTK_OVERFLOW_HIDDEN

* GtkSpinButton:

- Fix spinning

* GtkFontChooser:

- Populate the list incrementally

* GtkButton: Simplify the button hierarchy; GtkRadioButton

is gone, GtkCheckButton and GtkToggleButton can be grouped

* list widgets:

- Change apis to make models explicitly GtkSelectionModel

- Simplify constructors

* CSS:

- Hexadecimal colors can now specify alpha

- Fix parsing of numbers in scientific notation

* Themes:

- Add and document highlevel list styles

- Drop the style class defines. Just use string literals

- Round the corners of frames

- Make circular buttons square

* GL renderer:

- Fix clipping with projective transforms

* Documentation:

- Refresh the widget gallery

- Add images for new widgets to the gallery

- Fix many cross-references

- Make sure tutorial examples are buildable

* Demos:

- Numerous crash- and bug fixes

- Improve about dialogs

- gtk4-demo: Modernize source highlighting

- gtk4-demo: Improve sidebar filtering

- gtk4-demo: Drop some outdated demos

- gtk4-demo: Polish a number of existing demos

- gtk4-demo: Add several new demos

- widget-factory: Show error states

* Tools:

- Make gtk4-builder-tool rewrite GtkBox

- Make gtk4-builder-tool rewrite radio buttons

- Rewrite the profiling support, drop support

for D-Bus profiler activation, use SYSPROF_TRACE_FD

* Printing:

- Fix build with cups < 2.3

* win32:

- Default to the GL renderer when we can

* Broadway:

- Fix handling of opaque colors

- Fix handling of debug nodes

- Prune clipped render nodes

* Wayland:

- Support newer schemas for settings

- Fix DND hotspot handling

- Disconnect on display close

* Translation updates:

Basque

Brazilian Portuguese

British English

Catalan

Chinese (China)

Croatian

Galician

German

Greek

Indonesian

Japanese

Kazakh

Korean

Lithuanian

Polish

Romanian

Slovenian

Spanish

Turkish

Ukrainian

Overview of Changes in GTK 3.99.0

=================================

* Remove the old accessibility implementation and

add the foundations for a new one that is based

on ARIA. The relevant widget api is GtkAccessible,

the backend implementations will use GtkATContext.

Currently, there is just a nascent test backend.

* Update the GTK headers to use char *, int, float and

double instead of the corresponding GLib types.

* Add GtkEditableLabel, a label that can be edited

* Add GtkBookmarkList, a list model for bookmarks

* Add GtkStringList, a list model for strings

* Add GtkBitset, and use it for representing selections

* GtkTreeView:

- Make cell editing work again

* GtkSpinButton:

- Make autosizing work again

* Printing:

- Use GtkDropDown in the print dialog

* GtkApplication

- Support opening files on OS X

* GtkFileChooser:

- Fix libcloudproviders support

- Turn GtkFileFilter into a GtkFilter

- Simplify the api

* GtkGridView, GtkListView:

- Improve scrolling behavior

- Autoscroll and autoexpand during DND

* GtkScrolledWindow:

- Make autoscrolling work again

* GtkFilterListModel:

- Add incremental filtering

- Add a boolean filter, GtkBoolFilter

* GtkSortListModel:

- Use timsort

- Add various tweaks that massively speed up sorting

- Add incremental sorting

* GtkWidget:

- Massively speed up action handling

* GtkEntry:

- Make entry completion work again

- Drop action support from GtkEntryCompletion

* Inspector:

- Improve list model support

- Add direct navigation between objects

- Show accessibility information

* GDK:

- Compress scroll events

- Keep a scroll history

- Clean up GdkDevice api

- Drop the master/slave device split

- Move axes to GdkDeviceTool

- Change monitor workarea to be per-backend API

- Improve frame clock accuracy

- Add a new macOS backend

- Add an ANGLE-based GLES renderer for Windows

* GSK:

- Use GL_ARB_framebuffer_object

* gtk-demo:

- Add incremental refill to the color grid

- Improve performance of the color grid

- Add an incrementally filtering word list

- Improve the sidebar

* Install print-editor as another demo

* Translation updates

Basque

Catalan

Chinese

Japanese

Kazakh

Lithuanian

Polish

Romanian

Spanish

Turkish

Ukrainian

Overview of Changes in GTK 3.98.5

=================================

* Introduce new list widgets and supporting infrastructure.

The main APIs are:

- GtkListView

- GtkGridView

- GtkColumnView and GtkColumnViewColumn

- GtkDropDown

- GtkListItemFactory and implementations

- GtkExpression

- GtkFilter and subclasses, and GtkFilterListModel

- GtkSorter and subclasses, and GtkSortListModel

- GtkSelectionModel and subclasses

- GtkTreeListModel, GtkTreeExpander and GtkTreeListRowSorter

* GtkFileChooser:

- Add a tracker3-based search engine implementation

- Rate-limit updates from the trash monitor

* GtkWindow:

- Redo the css node setup. There is now a single 'window' node

- Fix rounded corners on tiled windows

* GtkApplication:

- Drop app menu support. Menubar support is still there

* GtkFixed:

- Change coordinate APIs to take doubles

* GtkOverlay:

- Make GtkOverlayLayout public

* GtkTooltips:

- Fix line wrapping of tooltips

* Shortcuts:

- Fix mnemonic cycling

- Fix using '0' as a mnemonic

* Menus:

- Differentiate keypad keys in accelerators

* GtkIMContext:

- Add gtk_im_context_filter_key to allow event reinjection

* Themes:

- Adwaita: Limit the scope of backdrop

* Accessibility:

- Clean up and reorganize the code to prepare for the

dropping of ATK

* GDK:

- Drop unused enum and struct definitions from headers

- Make keymap translation API public again. Still needed

- Frameclock: Always use compositor refresh rate info

- Frameclock: Use quadratic correction for frame time jitter

- Frameclock: Ensure monotonicity

- Frameclock: Track resason for paint

- X11: Improve sync when the Nvidia driver is used

* GSK:

- GL renderer: Fix blurred outset shadows

- GL renderer: handle nested transform nodes properly

- GL renderer: Optimize clip handling

* gtk-demo:

- Improve the Drag-and-Drop demo with proper drag icons

- Don't show the main window if --run is given

- Add demos for list widgets and GtkDropDrown

* Documentation:

- Convert freestanding sections to markdown

- Drop the glossary

- Expand and improve the migration guide

* Build:

- We require pandoc now, for building the documentation

- Require Pango 1.45

* Translation updates:

Polish

Romanian

Slovenian

Turkish

Ukrainian

Overview of Changes in GTK 3.98.4

=================================

* Themes

- Refine menu styling

- Tweak visible focus behavior

- HighConstrast: Add public colors

- HighContrast: Fix scale borders

* CSS:

- Drop the nonstandard -gtk-icon-theme property

- Add a system_setting_changed vfunc to propagate global changes

* Untangle titlebars from windows:

- Add a GtkWindowControls widget

- Add a GtkWindowHandle widget

- Add actions for window menu items

- Remove app menu fallback from GtkHeaderBar

- Remove title and subtitle properties from GtkHeaderBar,

rename custom-title to title-widget

* GtkWidget

- Add a focusable property

* GtkPopover:

- Fix (re-)positioning issues

* GtkStack:

- Drop the homogeneous property

- Add a use-underline property to stack pages

* GtkScale:

- Make area around the trough clickable

* GtkScrolledWindow:

- Fix kinetic scrolling

* GtkTreeView:

- Break reference cycles in unroot

* Drop GtkBin and GtkContainer. All existing GtkBin subclasses

have grown a child property with setter and getter. All

existing GtkContainer subclasses have grown widget-specific

remove (and in some cases, add) functions. <child> in ui

files continues to work as before

* Replace gtk_widget_destroy by gtk_window_destroy

* Drop the ::size-allocate signal. Use a GtkWidgetPaintable

if you need to be informed about changes to a widgets

content or size

* Remove gtk_dialog_run

* GDK:

- Wayland: Provide a builtin cursor of last resort

- Change the monitor api to use a GListModel

* GSK:

- Don't include renderer-specific headers automatically

- GL: Fix nested rounded clips

* Introspection:

- Assorted annotation fixes

* Inspector:

- Preview media resources

- Show media backend information

* gtk4-widget-factory:

- Add GtkVideo

- Add text styles

- Add a print dialog

- Add a password entry

- Improve toolbar styling

- Revamp transition effects

* gtk4-demo:

- Replace some demos

* Translation updates:

Chinese (Taiwan)

Esperanto

Japanese

Romanian

Spanish

Ukrainian

Overview of Changes in GTK 3.98.3

=================================

* GtkEntry:

- Support setting attributes in ui files

* GtkScaleButton:

- Don't derive from GtkButton

* GtkAboutDialog:

- Support more common licenses

* GtkEmojiChooser:

- Improve keyboard navigation

* GtkLabel:

- Remove pattern API

* GtkAspectFrame:

- Modernize and simplify

* Chooser buttons:

- Make dialogs modal by default

* Various widgets:

- Replace shadow-type and relief properties by

a simpler has-frame

* CSS:

- Use :focus-visible instead of :focus(visible)

- Add support for :focus-within

* Focus handling

- Fix crossing event generation

- Fix focus handling in various widgets

- Change :can-focus to be recursive

- Fix GtkWindow:is-active setting

* Scrolling

- gtk_container_set_focus_[hv]adjustment has been removed

- gtk_viewport_set_scroll_to_focus has been added

* Accessibility:

- Add a cursor-aspect-ratio setting

- Set focus-related states properly

* Themes:

- Use blue focus outlines more

- Numerous minor improvements

* Wayland:

- Fix .Compose file loading

- Support popup repositioning

- Fix problems with autohide popovers

* GDK:

- Remove GdkKeymap from public API, replaced by

GdkDevice properties

- Add full keyboard translation state to key events

- Simplify modifier support, drop GdkModifierIntent

- Move key event matching to GDK

- Add GdkSurface::enter/leave-monitor signals

- Turn GskEvent into a derivable type, and make

it introspectable

* GSK:

- Turn GskRenderNode into a derivable type, and make

it introspectable

- Fall back to cairo if compiling shaders fails

* Translation updates:

- Japanese

- Lithuanian

- Turkish

Overview of Changes in GTK 3.98.2

=================================

* Introduce GtkShortcutController, and replace key bindings,

mnemonics and accelerators by GtkShortcut

* Derive the HighContrast theme from Adwaita

* GtkMenuButton: Add a use-underline property

* GtkTreeView: Fix cell editing

* Add gdk_toplevel_inhibit_system_shortcuts

* gtk-demo: Fix issues in multiple demos

* Translation updates:

Polish

Overview of Changes in GTK 3.98.1

=================================

* GtkFileChooser:

- Remove filename/uri api

- Drop extra-widget

- Remove overwrite confirmation

- Remove show-hidden property

- Remove local-only property

- Remove GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER

- The portal file chooser supports selecting folders

* GtkSpinner:

- Rename active property to spinning

* GtkRevealer:

- Fix size allocation at small scales

* GtkPopover:

- Drop :relative-to, it is always the :parent now

* GtkWindow:

- Drop window-type, it is always a regular toplevel

* GtkWidget:

- Drop expand property

- Drop margin property

- Drop gtk_grab_add, gtk_device_grab_add

* GtkTextView:

- Support overlines in GtkTextTag

- Support visible spaces in GtkTextTag

- Support hyphenation control in GtkTextTag

* Split GtkEventControllerFocus from GtkEventControllerKey

* DND:

- Fix local DND to avoid serialization

- Add new content provider constructors

- Split GtkDropTargetAsync and GtkDropTarget

- Group DND events into event sequences

- Propagate DND events like motion events

- Introduce GtkDropControllerMotion

- Remove GtkSelectionData

* Performance:

- Clean up profiler marks

- Share GL programs between renderers

* GDK:

- Drop gdk_surface_new_temp

- Make GdkEvent an immutable boxed type, not an object

- Remove GdkAtom and property- and selection-related apis

- Introduce GdkPopup and GdkToplevel interfaces

- Implement them in backend-specific surface subtypes

- Rename gdk_surface_input_shape_combine_region to

gdk_surface_set_input_region

- Drop X11-only concepts such as sticky or keep-below

* OS X: Fix OpenGL extension detection

* Broadway: implement scaling

* Translation updates:

Dutch

Japanese

Persian

Overview of Changes in GTK 3.98.0

=================================

While this release gets significantly closer to what we aim for in GTK 4,

there are still a few big items outstanding that we are currently working

on:

- Event controllers for keyboard shortcuts

- Movable popovers

- Row-recycling list and grid views

- Revamped accessibility infrastructure

- Animation API

We will do further 3.98.x snapshots as these land.

*****************

* The DND refactoring has been completed. The GTK API for DND has been turned

into event controllers: GtkDragSource and GtkDropTarget. Support for file