Error in EXT:form documentation regarding deletion of YAML configuration
There is an error in the EXT:form documentation:
Finally, all configuration entries with a value of `null` are deleted.
It’s not `null` but `__UNSET`.
This is done in `TYPO3\CMS\Core\Utility\ArrayUtility::mergeRecursiveWithOverrule()` line 613:
Updated by Bjoern Jacob over 3 years ago
For v9 we are improving the situation with #82089.
It is very difficult to solve for v8. For this version, we would need a proper documentation. But the problem is hard to tackle/ describe. It depends on the stuff you are doing -> different situation -> different solution.