Patchmanager patches in Koli 4.0.1

[olf]

@vlagged

My understanding is that 3.4 was the one introducing the change in the location of systemd units (/lib → /usr/lib), […]

Yes, see the SFOS 3.4.0 release notes, section “Technical changes” (second bullet point there).

@vlagged

[…], but it was 4.0 that broke the compatibility.

… for many Patchmanager Patches: Yes.
And it introduced additional issues for the Patchmanager proper.