Contao Open Source CMS 5.5.9

Contao 5.5.9, a new version of the Contao open source CMS, has been released.

Fixes various JavaScript errors in the back end in connection with domready. As well as a problem when copying files.

Changelog of the fixed issues in Contao 5.5.9:

About Contao 5.5

The first stable version of Contao 5.5 has been released on 15 February 2025 and has been the successor of Contao 5.4. 5.5 has been updated until 18 August 2025, after which it has been replaced by Contao 5.6.

Bjarke Ammann

Bjarke takes care of the website and support. If you like reading, you might have come across his Contao Two Month Review or found an answer to your question in the official Contao user manual. He also makes sure that Contao enthusiasts from Switzerland meet regularly to exchange ideas. He loves culinary delights, good music and exercise in the fresh air.

Add a comment

Please calculate 2 plus 5.

Latest posts

Information, Security
Security

Security update for Composer: Versions 2.9.8 and 2.2.28 are now available

Composer has fixed a security vulnerability in versions 2.9.8 and 2.2.28. If you use Contao Manager and trakked, this issue has already been resolved for you. Everyone else should take action immediately.
Contao Open Source CMS 5.7.5
Contao 5.7 LTS, New

Contao 5.7.5 released

Contao 5.7.5, a new version of the Contao open source CMS, has been released.
Information

Contao Summit 2026: The Contao community is meeting in Leipzig

On 15 and 16 October 2026, the Contao community will meet in Leipzig.