Gwenview no longer displays RAW files

Until recently Gwenview was able to display RAW camera files, orf,nef,cr2 etc. That is no longer the case.

It might be related to this:

Now we have this bug (huge regression):
show_bug.cgi?id=462669

Okulare removed photo support from ePub. (worth reading with comments). Something is going on.

not sure whether show_bug.cgi?id=462669 is related, but Gwenview no longer displays RAW files again. no previews, and fails to load RAW files too. bug already reported;

https://bugs.kde.org/show_bug.cgi?id=463132

will be fixed in libkdcraw 22.12.2