KDE Plasma 5.12.3 Released! Install it in Kubuntu 17.10

KDE Plasma 5.12

The KDE team announced a new update to Plasma desktop 5.12 yesterday. The packages are available in Kubuntu Backports PPA for (K)ubuntu 17.10.

KDE Plasma 5.12.3 adds a a fortnight’s worth of new translations and fixes from KDE’s contributors. The bugfixes are typically small but important and include:

  • Fix installation of Discover backends.
  • KWin: Fix the build on armhf/aarch64.
  • Fix the userswitcher when using the mouse for switching.
  • Render application icon at paintdevice DPR.
  • And many other changes, see CHANGLOG for details.

How to Install Plasma 5.12.3 in (K)Ubuntu 17.10:

1. Open terminal via Ctrl+Alt+T or by searching for “Terminal” from start menu. When it opens, run command to add the PPA:

sudo add-apt-repository ppa:kubuntu-ppa/backports

Type in your password when it prompts and hit Enter.

2. Then upgrade your system to get the latest Plasma Desktop via either Update Manager or command:

sudo apt update && sudo apt full-upgrade

After the upgrade process has completed, and assuming everything went well, reboot your computer.

For non-Kubuntu user, you may first install the kubuntu-desktop package either from Ubuntu Software or by running below command before doing the upgrade.

sudo apt update && sudo apt install kubuntu-desktop

How to Uninstall:

To undo the changes and restore to the stock version of Plasma Desktop in your main Ubuntu repository, purge the PPA via command:

sudo apt install ppa-purge && sudo ppa-purge ppa:kubuntu-ppa/backports