Deprecation: #83803 - Deprecate EidRequestHandler 

See forge#83803

Description 

The class \TYPO3\CMS\Frontend\Http\EidRequestHandler has been marked as deprecated and will be removed in CMS 10. This class has been replaced by a PSR-15 middleware \TYPO3\CMS\Frontend\Middleware\EidHandler .

The eID functionality itself is not deprecated and can be used as before.

Impact 

Installations that use \TYPO3\CMS\Frontend\Http\EidRequestHandler will trigger a deprecation warning.

Affected Installations 

All installations that use custom extensions that add classes derived from \TYPO3\CMS\Frontend\Http\EidRequestHandler.

Migration 

Use \TYPO3\CMS\Frontend\Middleware\EidHandler instead.