5.4.19 (stable)

Release 5.4.19 has been published on December 11, 2020
  • Please read the ILIAS 5.4 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 have a look at the page Required Software for 5.4, too.
If you use a customized skin/style, please change the skin settings for root user and default of installation to ‘delos‘ before upgrading from a 4.x version to 5.4.x. Otherwise you may not login any more due to templates changes in former versions.
ILIAS 5.4 comes with a new content style that substitutes the former content style. If you want to keep this outdated style, please create a new style with it before updating to 5.4. Own created styles won't be tackled.
ILIAS is free, open source software and published under the GNU General Public License (GPL).

Format: .zip
Download (
195 MB, 2020-12-11
md5: 75bbec67adcc655f62675027199fd77c

Format: .tar.gz
Download (
179 MB, 2020-12-11
md5: 062f0733be75ac85e8e10af1d75b662d

Known Issues

  • none

Fixed Bugs

The following bugs reported in Mantis have been resolved:
#28973: [Booking Tool] Unable to delete reservations (akill)
#28552: [Category and Repository] Export: missing description (akill)
#28553: [Category and Repository] multilingual descriptions are ignored by import (akill)
#29099: [Certificate] Certificate: Untranslated language variable for placeholder [USER_SALUTATION] when gender is not set (mjansen)
#29208: [Chat] Chat server crashes on restart (mjansen)
#29173: [Chat] OnScreenChat: Chat does not work in ILIAS 5.4.18 and 6.5 (mjansen)
#29128: [Course Management] LoK lässt sich nicht importieren (maxbecker)
#29131: [Cron Service] cronjob "check user accounts" deletes inactive but validated/approved user accounts (mjansen)
#28961: [Exercise] Assignment Accordions cannot be operated by keyboard / tabbing (akill)
#28148: [Export] imported Forum "eats" some settings (akill)
#27376: [Export] Imports of category-, group- and course-links are inoperable (smeyer)
#29086: [Forum] leaking tumbnail-files when replacing an image in post (mjansen)
#28496: [Forum] Forum/News: Voreinstellung Zugriff auf Neuigkeiten in Forum nicht anpassbar (akill)
#29014: [Glossary] Glossary import: Missing "Collect Terms" and "Auto-Linked Glossaries" (akill)
#29041: [Language Handling] local language file support doesn't work as described (fneumann)
#28748: [Learning Module ILIAS : Presentation] „Error thrown with message "Call to a member function raiseError() on null" “ (akill)
#28981: [Learning Module ILIAS : Presentation] PageComponents occasionally display database errors (akill)
#20204: [Search] Lucene can’t finish updateIndex or createIndex without (conclusive) error message (smeyer)
#29106: [WebDAV] Opening as WebDAV folder creates HTTP/500 (fawinike)
#28277: [Wiki] Assigned Page Templates in Wikis get lost upon import (akill)