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Ubuntu Mate Changelog

What's new in Ubuntu Mate 20.04.3 LTS

Sep 1, 2021
  • The releases following an LTS are always a good time to make changes the set the future direction of the distribution with an eye on where we want to be for the next LTS release. Therefore, Ubuntu MATE 20.10 ships with that latest MATE Desktop 1.24.1, keeps paces with other developments within Ubuntu (such as Active Directory authentication) and migrated to the Ayatana Indicators project.
  • If you want bug fixes :bug:, kernel updates :corn:, a new web camera control :movie_camera:, and a new indicator :point_right: experience, then 20.10 is for you :tada:. Ubuntu MATE 20.10 will be supported for 9 months until July 2021. If you need Long Term Support, we recommend you use Ubuntu MATE 20.04 LTS.
  • MATE Desktop:
  • If you follow the Ubuntu MATE twitter account youll know that MATE Desktop 1.24.1 was recently released. Naturally Ubuntu MATE 20.10 features that maintenance release of MATE Desktop. In addition, we have prepared updated MATE Desktop 1.24.1 packages for Ubuntu MATE 20.04 that are currently in the SRU process. Given the number of MATE packages being updated in 20.04, it might take some time for all the updates to land, but were hopeful that the fixes and improvements from MATE Desktop 1.24.1 will soon be available for those of you running 20.04 LTS
  • Active Directory:
  • The Ubuntu Desktop team added the option to enroll your computer into an Active Directory domain during install. Weve been tracking that work and the same capability is available in Ubuntu MATE too.
  • Active Directory Enrollment:
  • Enroll your computer into an Active Directory domain
  • Ayatana Indicators:
  • There is a significant under the hood change in Ubuntu MATE 20.10 that you might not even notice at a surface level; weve replaced Ubuntu Indicators with Ayatana Indicators.
  • Well explain some of the background, why weve made this change, the short term impact and the long term benefits.
  • What are Ayatana Indicators:
  • In short, Ayatana Indicators is a fork of Ubuntu Indicators that aims to be cross-distro compatible and re-usable for any desktop environment Indicators were developed by Canonical some years ago, initially for the GNOME2 implementation in Ubuntu and then refined for use in the Unity desktop. Ubuntu MATE has supported the Ubuntu Indicators for some years now and weve contributed patches to integrate MATE support into the suite of Ubuntu Indicators. Existing indicators are compatible with Ayatana Indicators.
  • We have migrated Ubuntu MATE 20.10 to Ayatana Indicators and Arctica Greeter. I live streamed the development work to switch from Ubuntu Indicators to Ayatana Indicators which you can find below if youre interested in some of the technical details
  • The benefits of Ayatana Indicators:
  • Ubuntu MATE 20.10 is our first release to feature Ayatana Indicators and as such there are a couple of drawbacks; there is no messages indicator and no graphical tool to configure the display manager greeter (login window)
  • Both will return in a future release and the greeter can be configured using dconf-editor in the meantime.
  • Arctica Greeter dconf configuration:
  • Configuring Arctica Greeter with dconf-editor:
  • That said, there are significant benefits that result from migrating to Ayatana Indicators:
  • Debian and Ubuntu MATE are now aligned with regards to Indicator support; patches are no longer required in Ubuntu MATE which reduces the maintenance overhead.
  • MATE Tweak is now a cross-distro application, without the need for distro specific patches.
  • Weve switched from Slick Greeter to Arctica Greeter (both forks of Unity Greeter)
  • Arctica Greeter integrates completely with Ayatana Indicators; so there is now a consistent Indicator experience in the greeter and desktop environment.
  • Multiple projects are now using Ayatana Indicators, including desktop environments, distros and even mobile phone projects such as UBports. With more developers collaborating in one place we are seeing the collection of available indicators grow
  • Through UBports contributions to Ayatana Indicators we will soon have a Bluetooth indicator that can replace Blueman, providing a much simpler way to connect and manage Bluetooth devices. UBports have also been working on a network indicator and we hope to consolidate that to provide improved network management as well.
  • Other indicators that are being worked on include printers, accessibility, keyboard (long absent from Ubuntu MATE), webmail and display.
  • So, that is the backstory about how developers from different projects come together to collaborate on a shared interest and improve software for their users
  • Webcamoid:
  • Weve replaced Cheese :cheese: with Webcamoid :movie_camera: as the default webcam tool for several reasons.
  • Webcamoid is a full webcam/capture configuration tool with recording, overlays and more, unlike Cheese. While there were initial concerns :pensive:, since Webcamoid is a Qt5 app, nearly all the requirements in the image are pulled in via YouTube-DL :tada:.
  • Weve disabled notifications :bell: for Webcamoid updates if installed from universe pocket as a deb-version, since this would cause errors in the users system and force them to download a non-deb version. This only affects users who dont have an existing Webcamoid configuration.
  • Linux Kernel:
  • Ubuntu MATE 20.10 includes the 5.8 Linux kernel. This includes numerous updates and added support since the 5.4 Linux kernel released in Ubuntu 20.04 LTS. Some notable examples include:
  • Airtime Queue limits for better WiFi connection quality
  • Btrfs RAID1 with 3 and 4 copies and more checksum alternatives
  • USB 4 (Thunderbolt 3 protocol) support added
  • X86 Enable 5-level paging support by default
  • Intel Gen11 (Ice Lake) and Gen12 (Tiger Lake) graphics support
  • Initial support for AMD Family 19h (Zen 3)
  • Thermal pressure tracking for systems for better task placement wrt CPU core
  • XFS online repair
  • OverlayFS pairing with VirtIO-FS
  • General Notification Queue for key/keyring notification, mount changes, etc.
  • Active State Power Management (ASPM) for improved power savings of PCIe-to-PCI devices
  • Initial support for POWER10
  • Raspberry Pi images:
  • We have been preparing Ubuntu MATE 20.04 images for the Raspberry Pi and we will be release final image for 20.04 and 20.10 in the coming days
  • Major Applications:
  • Accompanying MATE Desktop 1.24.1 and Linux 5.8 are Firefox 81, LibreOffice 7.0.2, Evolution 3.38 & Celluloid 0.18.