Flow bugfix releases: 5.0.23, 5.1.17, 5.2.13, 5.3.9 & 6.0.6

I tagged bugfix releases for Flow today. They fix these issues (across all releases):

Note that Flow 5.3 and up are compatible with PHP 7.4 now!

The released versions are:

As already announced in Security only reached for Neos 3.3 to 4.2 and Flow 4.3 to 5.2 these are the last regular releases for Flow 5.0 to 5.2, so upgrade to a later version as soon as you can.

Thanks to those who contributed!