This release fixes several bugs related to the recently fixed security vulnerability. In particular, it concerns incorrect encoding of certain combinations of script
statements. In addition, an error in the versioning of data sets has been fixed.
Changelog of the fixed issues in Contao 4.11.9:
- #3340 Fix another undefined array key warning (bytehead)
- #3308 Fix undefined array keys (BugBuster1701)
About Contao 4.11
The first stable version of Contao 4.11 has been released on 17 February 2021 and was the successor of Contao 4.10. 4.11 has been prvoided with updates until 14 August 2021, after which it was replaced by Contao 4.12.