The KDE community has announced KDE Software Compilation 4.12 recently. This tutorial shows you how to install / upgrade to KDE 4.12 via PPA in Ubuntu 13.10, Ubuntu 12.04 and their derivatives.

According to the announcement, KDE Applications 4.12 bring huge step forward in personal information management and improvements all over.

• Kate added several features including initial Vim-macro support, and games and educational applications bring a variety of new functionality.
• Document viewer Okular now takes printer hardware margins into account, has audio and video support for epub.
• KWebKit adds the ability to automatically scale content to match desktop resolution.
• For KMail, there is now AdBlock support (when HTML is enabled) and improved scam detection support by extending shortened URLs.
• See the announcement for the KDE Applications 4.12 for more information.

Kate added initial Vim-macro support

okular advanced matching code, handling abbreviation and partial matching in classes

Dolphin performance improvements, reduce memory usage and speed things up

This release of KDE Platform 4.12 only includes bugfixes and minor optimizations and features. About 20 bugfixes as well as several optimizations have been made to various subsystems, including KNewStuff, KNotify4, file handling and more.

Install KDE 4.12 via PPA:

This release has been made into KUbuntu PPA for (K)Ubuntu 13.10, (K)Ubuntu 12.04 and their derivatives.

To install or upgrade to KDE SC 4.12, press Ctrl+Alt+T on keyboard to open terminal and run commands below one by one:

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

sudo apt-get update

sudo apt-get install kde-standard kubuntu-desktop

If you already have KDE, you may replace the last command with:

sudo apt-get dist-upgrade

That’s it. Enjoy!