Flow bugfix releases: 3.2.12, 3.3.11, 4.0.4

We discovered some unintended behaviour in an automated task relating to documentation. This affected some of the bugfix releases done on Saturday. So we tagged new patch level releases for three branches. Sorry for any inconvenience this causes you!

Yes, we know: the ChangeLogs look rather empty and boring, but the fixes have been done by directly reverting commits and doing merges, that’s why…