ANNOUNCE: Clutter 1.21.4 (snapshot)

Good news, everyone!

A new Clutter snapshot is now available at:

SHA256 Checksum:


Additionally, a git clone of the source tree:
  git clone git://

will include a signed 1.21.4 tag which points to a commit named:

which can be verified with:
  git verify-tag 1.21.4

and can be checked out with a command such as:
  git checkout -b build 1.21.4

Clutter is a library for creating compelling, dynamic and portable graphical
user interfaces. Clutter is released under the terms of the GNU Lesser
General Public License, version 2.1 or (at your option) later.

Clutter depends on:
  GLib ≥ 2.39.0
  JSON-GLib ≥ 0.12.0
  Cogl ≥ 1.17.5
  Cairo ≥ 1.12.0
  Pango ≥ 1.30
  Atk ≥ 2.5.3

Clutter also has platform-specific dependencies; for more information, see
the README file included in the release.


Release Notes:
  - This is an unstable snapshot of Clutter; there are no compatibility
    guarantees for API added during a development cycle.
  - This version is API and ABI compatible with the current stable
    release of Clutter.
  - Installing the contents of this release will overwrite the files
    from the installation of the current release of Clutter.
  - Bugs should be reported on the Clutter Bugzilla product, at:

  • List of changes since Clutter 1.21.2

    - Use the GDK backend by default when possible
    Instead of using the X11 or the Wayland backend by default, Clutter now
    uses the GDK backend for both input and output. This improves the
    integration with the windowing system. Backends can still be selected
    programmatically, or via environment variables. On Windows and MacOS, we
    still prefer the native backend, if available, because of asymmetries in
    the GDK API.

    - Use libinput 0.8
    For the evdev input backend, the dependency for libinput has been bumped
    to the newly released 0.8, which improves wheel and scroll events.

    - Allow access to vendor and product ID for input devices

    - Allow ClutterConstraint implementations to change the preferred size
    ClutterConstraint classes can now update an actor's preferred size,
    along with its allocation; this means that querying the preferred size
    of actors using constraints will take constraints into consideration, and
    improves the integration of constraints inside the layout system.

    - Improve the GDK backend
    Properly support high DPI displays, as well as Wayland.

    - Updated translations
    Czech, Basque, Spanish, Hungarian.

  • List of bugs fixed since Clutter 1.21.2

    #730815 - Mouse events limited to upper left rectangle
    #740759 - Add getters for input device vendor/product IDs
    #734587 - Position gdk backend before x11/wayland/egl ones
    #742829 - Update to new libinput API for pointer_axis events

Many thanks to:

  Jonas Danielsson, Carlos Garnacho, Peter Hutterer, Marek Černocký,
  Inaki Larranaga Murgoitio, Daniel Mustieles, Balázs Úr.

Have fun with Clutter!

[ ] ebassi [ gmail com]

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