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GTK+ 3.22 released




GTK+ 3.22.0 is now available for download at:

 http://download.gnome.org/sources/gtk+/3.22/

sha256 sum:

88d0bb584be7ecec965b82ba88a9cf0aafd6f03eff7447653295ab2341c74134
gtk+-3.22.0.tar.xz


What is GTK+
============

GTK+ is a multi-platform toolkit for creating graphical user interfaces.
Offering a comprehensive set of widgets as well as facilities for creating
your own widgets, GTK+ is suitable for projects ranging from small one-off
tools to complete application suites.

GTK+ has been designed from the ground up to support a range of languages,
not only C/C++. Using GTK+ from languages such as Python, Vala and JavaScript
(especially in combination with gobject-introspection and the Glade GUI builder)
provides an effective method of rapid application development.

GTK+ is free software and part of the GNU Project. However, the licensing terms
for GTK+, the GNU LGPL, allow it to be used by all developers, including those
developing proprietary software, without any license fees or royalties.

Since its origins as the toolkit for the GNU Image Manipulation Program (GIMP),
GTK+ has been used in a wide range of software. Notably, GTK+ is the foundation
of the GNOME desktop.


What's new in 3.22
==================

The 3.22 release is the last development release in the GTK+ 3. series.
GTK+ 3.22 will be maintained as the long-term stable version of GTK+ 3,
and new development will move to the GTK+ 3.90.x releases. To learn more
about the GTK+ roadmap, read:

 https://blog.gtk.org/2016/09/01/versioning-and-long-term-stability-promise-in-gtk

Major new features include:

* The Wayland backend has support for drawing tablets

* The Wayland backend requires xdg-shell v6

* We have a gesture API for tablet support, GtkPadController

* GdkMonitor offers an API for richer information about connected outputs

* GdkGLContext supports GLES

* GtkScrolledWindow has new max-content-width/height properties that can
  affect the sizing behavior

* GtkShortcutLabel is a new widget that can display keyboard shortcuts
  in the same way that GtkShortcutWindow does

* A number of GTK+ APIs will now transparently use portals when used
  in a Flatpak sandbox, including GtkFileChooserNative, GtkPrintOperation,
  gtk_show_uri.

For more details and lists of fixed bugs, see the NEWS file that is
included in the tarball, or see:

 http://git.gnome.org/browse/gtk+/plain/NEWS?id=3.22.0

For concerns about porting from older GTK+ releases, see the README file
that is included in the tarball, or see:

 http://git.gnome.org/browse/gtk+/plain/README.in?id=3.22.0


Where to get more information about GTK+
========================================

Information about GTK+ including links to documentation can be found at:

 http://www.gtk.org/

An installation guide for GTK+ is found at:

 http://library.gnome.org/devel/gtk3/stable/gtk-building.html

Common questions:

 http://library.gnome.org/devel/gtk3/stable/gtk-question-index.html


Contributing
============

GTK+ is a large project and relies on voluntary contributions. We are actively
searching for new contributors in various areas and invite everyone to help
project development. If you are willing to participate, please subscribe to
the project mailing lists to offer your help and read over our list of vacant
project tasks:

 http://live.gnome.org/GTK+/Roadmap


Thanks to the many people who contributed to this release in the form of bug
reports, patches and translations.


September 21, 2016
Matthias Clasen
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