I wonder how elaborate their automated tests are, it is also quite interesting that the provided fix did not introduce any new tests to the codebase for the reported case.
Looks like one of the people on the thread is using Gentoo, which is one of the few distributions that offers a choice between systemd and openrc.<p>I currently use LUKS for full disk encryption (including /boot) on Gentoo (openrc) with Grub doing the luks unlocking (my initrd has to unlock the encrypted partition too/again, but I just have a key saved within the initrd so I don't have to type the password twice).
Two distros referenced on this thread are Gentoo and Arch - both are rolling-release tinkerer's distros, and it has been noted that the feature in question has been out of scope for QA by the systemd project as of late. The community quickly found and shared workarounds and the bug will get fixed. I was bitten by this bug, but I'm not sweating it.