Process the images as normal and export to tiff.
Stitch the tiffs in Microsoft ICE (it’s free, though no longer under development)
Finish the job in LR/PS/Affinity depending on what I want the image to look like.
MS created ICE, it works bloody well, and then they ditched development? Can’t fathom MS at times!
they closed in 2018, if you still run a computer that date from before you’re good, if you run MAC M chip you’re off the hook, plus i couldn’t find supported camera/lens as the host link is no more available.