KDE 5.80.x - backports (Xenial & newer)

Backport of KDE 5.80 stack (and dependencies) for Xenial, Bionic & Focal.

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This PPA depends on Qt 5.15.x backports so follow all instructions here:

https://launchpad.net/~savoury1/+archive/ubuntu/qt-5-15

Update (3 Nov 2022): Selected packages are now upgraded beyond Frameworks 5.80 & application 20.12.3 versions to bring slightly newer software, eg. kdenlive 22.04.3, kleopatra 21.04.3 for bugfixes with recent GnuPG, plus a couple of others such as k3b 21.04.3 and kwave 21.12.3.

Update (8 Sep 2021): All packages to install the kde-full metapackage (the complete KDE software compilation) are now backported & this PPA is done!

Notes about KDE versions: There are various versions used for KDE packages and the version 5.80 for this PPA is that of KDE Frameworks (KDE Plasma is version 5.21.4 here while application layer packages are version 20.12.3). A few exceptions to the version for application layer software are made to make newer versions of highly popular software such as kdenlive available.

Note on mouse cursors: When breeze-cursor-theme is installed (required for KDE/Plasma desktop) it is made system default mouse cursor theme due higher priority than other default themes. To use another theme run the following (paste both lines as one command, or remove "\" and put all on one line):

  sudo update-alternatives --set x-cursor-theme \
  /usr/share/icons/DMZ-White/cursor.theme

Replace "DMZ-White" in the command with any other cursor theme you prefer, ie. "DMZ-Black" or "Adwaita" or any other preferred theme that's installed.

Notes for Xenial & Bionic: KDE 4 software requires kde-runtime which then requires kde-style-breeze-qt4 yet this style package is no longer built by newer Breeze (>= 5.19.0). This means new KDE/Plasma desktop which requires new Breeze cannot be co-installed with kde-runtime. This means upgrading to the new KDE desktop here will remove _all_ KDE 4 packages and software.

If the following message appears after running "sudo apt-get upgrade" once everything else has been upgraded then there are KDE 4 packages installed on the system (which depend on kde-runtime and then kde-style-breeze-qt4):

  The following packages have been kept back:
    kde-style-breeze

Software that depends on Qt 4 only (not KDE 4) such as various builds of older Qt 4 software found on Xenial & Bionic _will_ still be able to run successfully, using a backport of the final version of qt4-x11 from Debian (package version 20) that is compatible with latest Qt/KDE backports here (that qt4-x11 package is at the Qt 5.15.x PPA, including a Focal build).

In summary, on Xenial & Bionic one can install the new KDE desktop losing all KDE 4 software OR not install the desktop keeping KDE 4 software. To perform the upgrade to the new Breeze (and the removal of KDE 4 software) on systems with the above quoted "kept back" message run this one command:

  sudo apt-get install kde-style-breeze

Notes about Plasma with Compiz: According to information found online it is possible to run the KDE 5 Plasma desktop with Compiz. This requires the installation of the Emerald window decorator and themes, plus Fusion Icon. To achieve this on Ubuntu systems with SavOS backports follow these steps after following all instructions found at the Qt 5.15.x PPA (link above):

  sudo add-apt-repository ppa:savoury1/display
  sudo apt-get update
  sudo apt-get install emerald-themes fusion-icon

Installing just those two packages mentioned will bring in all the needed Compiz packages as well. This is based on instructions for openSUSE here:

https://poisonpacket.wordpress.com/2017/05/29/compiz-works-great-with-kde-5/

*** Build ***

This PPA has build dependencies on:

  ppa:savoury1/build-tools
  ppa:savoury1/backports
  ppa:savoury1/python
  ppa:savoury1/fonts
  ppa:savoury1/gpg
  ppa:savoury1/encryption
  ppa:savoury1/graphics
  ppa:savoury1/multimedia
  ppa:savoury1/ffmpeg4
  ppa:savoury1/vlc3
  ppa:savoury1/display
  ppa:savoury1/qt-5-15

Additionally, for Xenial & Bionic:

  ppa:savoury1/gcc-defaults-9
  ppa:savoury1/boost-defaults-1.71
  ppa:savoury1/llvm-defaults-10
  ppa:savoury1/node-{xenial,bionic}
  ppa:savoury1/tex-2019

Additionally, for Xenial only:

  ppa:savoury1/apt-xenial
  ppa:savoury1/perl-xenial
  ppa:savoury1/ruby-xenial
  ppa:savoury1/gtk-xenial
  ppa:savoury1/qt-xenial
  ppa:savoury1/kde-xenial