TYPO3 12 support

[fnagel]

Update extension for TYPO3 CMS 12 LTS.

Release is planned for end of this summer. Hopefully. Any help is appreciated!

WIP Branch: https://github.com/fnagel/t3extblog/tree/typo3-12

References

• https://get.typo3.org/release-notes/12.0.0
• https://docs.typo3.org/c/typo3/cms-core/main/en-us/Changelog-12.html
• https://notes.typo3.org/s/EjM2zA7Dr

ToDo

• Apply rector
• Apply PHP CS fixer
• Fix PHP MD issues
• Extension scanner
• General adjustments for TYPO3 12
• Adjust TCA
• Update BE module registration
• Fix @todo comments
• Fix dependency injection
• Replace signal / slot
  • https://docs.typo3.org/c/typo3/cms-core/12.4/en-us/Changelog/10.0/Feature-88770-PSR-14BasedEventDispatcher.html
  • https://docs.typo3.org/m/typo3/reference-coreapi/12.4/en-us/ApiOverview/Events/EventDispatcher/Index.html
• Sending emails after comment submit does not work
• Subscribe links broken
• Cache clear after comment submit does not work (flash message is cached)
• Send mails when approving a comment from TYPO3 record edit view
• Fix RSS rendering
• Dashboard widgets are broken
  • Update registration
  • Fix button URLs
  • Fix rendering
• Rebase onto master
• Fix issues with localization
• Test for pagination issue: Pagination: Fix that list view and page 1 have the same content but different URLs (duplicate content) #219
• Testing (https://github.com/fnagel/t3extblog/blob/master/Documentation/DeveloperGuide/Index.rst?plain=1#L138)
• Testing (localization)

[fnagel]

Current version works as expected according to my tests. Any help testing before the upcoming release would be appreciated!

[fnagel]

Version 8.0.0 with support for TYPO3 12 has been released: https://github.com/fnagel/t3extblog/releases/tag/8.0.0