Deprecation: #89742 - Form mixins
See forge#89742
Description
All mixins in the "form" extension have been deprecated and should not be used anymore. This affects all inheritances from TYPO3.
.
The mixins have been deprecated with TYPO3v10 and will be removed with TYPO3v11.
Impact
Form setup inheriting mixins from TYPO3.
will trigger a deprecation warning in TYPO3v10.
With TYPO3v11 these mixins will be removed which will lead to an error.
Affected Installations
Instances using the "form" extension and inheriting from TYPO3.
in their form setup.
Migration
Embed the essential parts from TYPO3.
or migrate them to custom mixins.