6.4 (stable)

Release 6.4 has been published on September 4, 2020
  • Please read the ILIAS 6 feature page for information about new and abandoned features and changed behaviour of this version.
  • You find information about first time installation here.
  • Instructions for updating ILIAS can be found here.
  • Please also have a look at the Required Software for ILIAS 6 page.
If you use a customized skin/style, please change the skin settings for root user and default of installation to ‘delos‘ before upgrading to ILIAS 6. Otherwise you may not login any more due to templates changes in former versions.
ILIAS 6 comes with a revised page layout. If you have customised the layout of your ILIAS installation you have to adapt it to the new look.
ILIAS is free, open source software and published under the GNU General Public License (GPL).

Format: .zip
Download (
203 MB, 2020-09-04
md5: 83c397e7a37a8f9e70ba07ec0436052d

Format: .tar.gz
Download (
182 MB, 2020-09-04
md5: 89c56896bfe0cff975ad6e2cb3a5b6da 

Known Issues

  • none

Changed Behaviour

Fixed Bugs

Security Fixes
  • Due to security reasons external libraries have been updated.
The following bugs reported in Mantis have been resolved:
#26110: [Course Management] Multiple invocations of "Adopt Content" lead to integrity constraint violation (akill)
#26839: [Dashboard (f.k.a. Personal Desktop)] "Mehrere Objekte entfernen" bei Favoriten in Kachelansicht nicht verfügbar (akill)
#28828: [Mail] Mail attachment cannot be downloaded (mjansen)
#28801: [Session (Course & Group)] Missing Feature, Tile Image Upload (mbarz)
#25523: [Setup] Update step 5336 is highly unoptimized (akill)