For now, this is just a collection of tasks to be done once compatibility for TYPO3 v11 is removed. - [x] Remove adding page TSconfig in ext_tables.php - [x] Remove TCEforms array key in FlexForm, see [#97126](https://docs.typo3.org/c/typo3/cms-core/main/en-us/Changelog/12.0/Breaking-97126-RemoveTCEformsArrayKeyInFlexForm.html) - [x] Remove version check in site configuration introduced with commit 365ea9c9dbdd4158fe73700d8f911c534d67d2bc
For now, this is just a collection of tasks to be done once compatibility for TYPO3 v11 is removed.