KDE 4.0.0 Info Page

KDE 4.0 was released on January 11th, 2008.

This page will be updated to reflect changes in the status of 4.0 release cycle so check back for new information.

Security Issues

Please report possible problems to


This is a list of grave bugs and common pitfalls surfacing after the release was packaged:

  • None known currently

Please check the bug database before filing any bug reports. Also check for possible updates on this page that might describe or fix your problem.


See the KDE FAQ for any specific questions you may have. Questions about Konqueror should be directed to the Konqueror FAQ.

Download and Installation

Build instructions. Build instructions are separately maintained.

The KDE release is split into a platform release and a desktop release.

KDE 4.0 Desktop release

The complete source code for KDE 4.0 is available for download:

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Binary packages

Some Linux/UNIX OS vendors have kindly provided binary packages of KDE 4.0 for some versions of their distribution, and in other cases community volunteers have done so. Some of these binary packages are available for free download from KDE's http or FTP mirrors.

Currently pre-compiled packages are available for:

  • An alpha version of KDE4-based Arklinux 2008.1 is expected shortly after this release, with an expected final release within 3 or 4 weeks.
  • Debian KDE 4.0 packages are available in the experimental branch. The KDE Development Platform will even make it into Lenny. Watch for announcements by the Debian KDE Team. Rumours are that a Live CD is planned as well.
  • Fedora will feature KDE 4.0 in Fedora 9, to be released in April, with Alpha releases being available from 24th of January. KDE 4.0 packages are in the pre-alpha Rawhide repository.
  • Gentoo Linux provides KDE 4.0 builds on
  • Kubuntu packages are included in the upcoming "Hardy Heron" (8.04) and also made available as updates for the stable "Gutsy Gibbon" (7.10). A Live CD is available for trying out KDE 4.0. More details can be found in the announcement on
  • Mandriva will provide packages for 2008.0 and aims at producing a Live CD with the latest snapshot of 2008.1.
  • openSUSE packages are available for openSUSE 10.3 (one-click install), openSUSE Factory (one-click install) and openSUSE 10.2. A KDE Four Live CD with these packages is also available. KDE 4.0 will be part of the upcoming openSUSE 11.0 release.

Developer Info

If you need help porting your application to KDE 4 see the porting guide or subscribe to the KDE Devel Mailinglist to ask specific questions about porting your applications.

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