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We are preparing Ubuntu MATE Xenial Xerus (16.04) for distribution on April 21st, 2016 With this Final Beta pre-release, you can see what we are trying out in preparation for our next (stable) version.

Do Not Upgrade from 14.04! There is an issue affecting all Ubuntu flavours that will cause an upgrade from 14.04 to 16.04 to fail, hard! See bug #1555237 for details. Upgrades from 15.10 to 16.04 work just fine.

What works?

People tell us that Ubuntu MATE is stable. You may, or may not, agree.

Ubuntu MATE Beta Releases are NOT recommended for:

  • Regular users who are not aware of pre-release issues
  • Anyone who needs a stable system
  • Anyone uncomfortable running a possibly frequently broken system
  • Anyone in a production environment with data or workflows that need to be reliable

Ubuntu MATE Beta Releases are recommended for:

  • Regular users who want to help us test by finding, reporting, and/or fixing bugs
  • Ubuntu MATE, MATE, and GTK+ developers

What changed since the Ubuntu MATE 16.04 Beta 1 release?

First of all, I’d like to extend my thanks to:

Also, thank you to everyone who has been testing Ubuntu MATE 16.04 Beta 1 and filing bug reports. It has really helped identify lots of little issues that we’ve worked hard to fix.

Ubuntu MATE 16.04 Beta 2

Here is what changed Ubuntu MATE 16.04 Beta 2 since Beta 1.

  • Added Synapse
    • Synapse now features complete MATE integration. Synapse is installed but not active by default. It can be enabled using MATE Tweak.
  • Updated to MATE Tweak 3.5.8
    • Adds Enable Launcher to the Interface section which activates/deactives Synapse.
    • Displays a confirmation after changing Window Manager to Compton or Compiz.
    • Also fixed #1548011, #1549081, #1557203, #1558013, #1549076
  • Updated to Compiz
    • Improved MATE Compiz integration, gtk-window-decorator will now use settings from Marco when Compiz detects it is running in a MATE session.
    • Google Chrome and Chromium windows are now considered Compiz windows in fullscreen to avoid tearing.
    • Refined the Compiz profile for MATE to correct some minor issues.
    • Update mate-settings-daemon to use xsettings for improved xcursor theme support.
  • Updated to Plank 0.11
  • Updated to MATE Menu 5.6.9
    • While searching for an application, the top match will be launched when Enter is pressed. #1552363
  • Updated to Ubuntu MATE Welcome 16.04.6
    • Fix splash screen flicker. #1549072
    • Fix Codec installation. #1558986
    • Fix system information.
    • Fix subscription updates.
    • Fix Abobe Flash, Dropbox and RednoteBook installs.
    • Fix Google Chrome repsoitory, i386 is no longer available.
    • Fix LibreOffice upgrades.
    • Add Ardour, ConvertAll, Corebird, FreeCiv, Gajim, GNOME Software, Gpick, Kodi, MuseScore, Nuvola Player, OBS Studio, Pinta, Simple Screen Recorder, Subsurface, SparkleShare, Time Tracker, Vivaldi, Wireshark and Zenmap to Software Boutique.
    • Add English, Chinese, French, Spanish and German translations.
  • Updated to Ubuntu MATE Artwork 16.04.5
    • Icon rendering in menus is faster and icon inheritance is fixed.
    • Corrected rendering of Mozo (menu editor).
    • Update buttons and scrollbars so GTK2 and GTK3 themes are more closely aligned.
    • Add resize area and shadows for CSD windows.
    • Add minimal style for CSD windows running without a compositor.
    • Add community contributed wallpaper Blissful Sky by Jordyn.
    • Fixes #1552363, #1556618, #1549079, #1541929, #1551029, #1499521, #1442738, #1364073
  • Updated to Ubuntu MATE Settings 16.04.4
    • Auto-corrects pre-existing MATE incompatible input methods.
    • Add modified mate-panel.desktop, specific to Ubuntu MATE, to cater for the all supported compositors and disk encryption strategies. #1553070
    • Add all optical video mime types and enable autoplay.
    • Updated default settings for new version of Plank.
    • Correct the GNOME Main Menu entry for network-config-tool.
  • Updated to mate-dock-applet 0.70.
  • Updated Ubuntu MATE Ubiquity Slideshow artwork.
  • Fixed Python plug-ins for Caja
    • Folder Color, Deja Dup Caja, Insync Caja and others now work again.
  • Fixed im-config and gnome-language-selector.
    • Ensures a MATE compatible input method is selected by default. #1550325
  • Replaced guvcview with Cheese.

Download Ubuntu MATE 16.04

Join the fun and experience a retrospective future.


Known Issues

Here are the known issues.

Ubuntu family issues

This is our known list of bugs that affect all flavours.

  • Shutdown/Restart of the live session does not work in Virtualbox and VMWare guests.
  • Swap partition may fail to be created when installing on a disk with existing partitions.

This is our known list of bugs that affect just Ubuntu MATE and Xubuntu.

  • The Blueman applet may crash on login on computer without Bluetooth or has Bluetooth disabled.

The issues outlined above will be resolved via updates.


You’ll also want to check the Ubuntu MATE bug tracker to see what has already been reported. These issues will be addressed in due course.


Is there anything you can help with or want to be involved in? Maybe you just want to discuss your experiences or ask the maintainers some questions. Please come and talk to us.




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