thanks Albert for your post, you are right. This lets me want to share my rather funny user experience with Fritz 19 I recently purchased.
Some context: I am an IT guy, and I collect chess programs and chess computers - including running old stuff using many emulators.
Therefore I can leverage some experience... Just untrue with any Fritz recent software.
Well, I wanted to submit a mate puzzle to Fritz 19. Soon found the paste icon for the FEN position, so far so good. I was aware a specific engine is available for mate search, thus I planned to select it for an analysis run. This module was not in the available list. OK, I am aware modules can be activated or not, so I used the relevant management feature. The naughty module (Mate 2.22) was there, and already activated: is it kidding me?

After looking at each and every tab to look for a relevant icon, I ended spending time reading the online user manual.
Mate search is a dedicated level...
Maybe a legacy from old Fritz versions: that's admissible from a vintage chess computer or an old chess program, but just puzzling from a modern software leveraging engine modules including a mate search dedicated one. TMHO and logic, setting any level in a modern GUI should be intended for playing... and mate search should belong to position analysis features.
Cheers,
Eric