Invalid URLs after upgrade to TYPO3 v9
Examples
- https://typo3.org/article/typo3-1022-9512-and-8730-security-releases-published/
-
https://typo3.org/article/typo3-version-102-treasure-hunting/
- is now rendered as https://typo3.org/article/typo3-version-10-2-aye-aye-captain
A lot of links are currently resulting in a 404 error page - those links are references in release mail, announcements and on get.typo3.org. It seems that current news slugs have been generated from an outdated version of RealURL caches...