Is it possible to regenerate the thumbnail for only one photo?

[Johannes Zarl-Zierl]

Am Donnerstag, 20. April 2023, 14:14:27 CEST schrieb Per Funke:
> Or you could just right click the thumbnail and choose "Recreate selected
> thumbnails"
> After having done that for a number of times and weeks I'd ask myself, how
> do I recalculate all checksums for all images?
> But I guess there's a good answer to that too??? Perhaps the checksum is
> recalculated when the Thumbnails is updated??

Good point!

Those two functions really should be unified to do the same thing. There's no 
point in recreating the thumbnail for an image but not updating the checksum 
or vice-versa...

Cheers,
  Johannes