Or could it be related to (the absence of) ISOBMFF support in your Exiv2 version? See e.g. https://discuss.pixls.us/t/upgraded-to-darktable-4-2-now-cant-import-cr3-files/
Or could it be related to (the absence of) ISOBMFF support in your Exiv2 version? See e.g. https://discuss.pixls.us/t/upgraded-to-darktable-4-2-now-cant-import-cr3-files/