darktable crashes in lighttable with certain camera model

Hi, I recently updated to Linux Mint 22.3 and installed darktable 5.4.1 (I had 4.8 or 5.0 as my latest version before).
Now I have 1) overall problems with the speed in darktable, everything is really slow especially in the lighttable mode - for that I wanted to look at the manual as there are some tips for optimizing Open Cl (which is activated), but had no time yet.
But worse is 2) that with a certain camera model (Leica M10 Monochrome) darktable crashes always when I want to zoom in. For example I am going through a set of newly imported pictures in Full mode and want to zoom in to better be able to rate it, lighttable freezes and then crashes. No matter whether I zoom in with scrolling or the mousewheel. If I change in the darkroom mode, zooming is ok. With my husbands camera, a Leica M10 R, which has the same sensor size (I first thought the big data is a problem) zooming is no problem, as with my Nikon DSLR.
Has someone an idea what might cause the problem?

Both of your problems have not been reported - so I suspect an issue on your specific configuration.

If you have OpenCL activated what is your device?

Any more data would help.

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I just see that one speed problem ( =rating with stars was very slow) I had the last days has improved now

Would be better to have the output of darktable-cltest.

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