Deprecation: #71153 - Several DocumentTemplate methods deprecated 

See forge#71153

Description 

The following methods from TYPO3\CMS\Backend\Template\DocumentTemplate have been marked as deprecated.

section divider sectionHeader sectionBegin sectionEnd

Impact 

Using these methods will trigger a deprecation log entry.

Affected Installations 

Instances with custom backend modules that use one of the aforementioned methods.

Migration 

Use plain HTML instead.