Contao 5.5.15, a new version of the Contao open source CMS, has been released.

The update of the component spomky-labs/otphp to version 11 has led to the fact that a login with activated two-factor authentication was no longer possible. This release ensures that you can log in again. Many thanks to Sebastian and the development team for their quick response.

Changelog of the fixed issues in Contao 5.5.15:

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February 2025 and has been the successor of Contao 5.4. 5.5 has been updated until 18 August 2025, after which it has been replaced by Contao 5.6.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.

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