Breaking: #62859 - Removal of doc:link.action view helper
The view helper
\TYPO3\CMS\Documentation\ViewHelpers\Link\Action has been removed.
Extensions that rely on existence of
\TYPO3\CMS\Documentation\ViewHelpers\Link\Action won't work.
A TYPO3 instance is affected if a 3rd party extension uses the removed view helper.
Either use f:be.buttons.icon or any of f:uri.* view helpers.