EDIT: Coincidentally, I turned off prevent cross-site tracking, because I got sick of raindrop.io signing me out constantly. However, that seemed, I think, to have solved this issue. The only other thing I changed was to turn on the compact tabs view, but I don’t see how that possibly could have had any effect on this whatsoever. So I think maybe the cross-site tracking prevention thing is broken, or something along those lines
For me also, only iPad, not iPhone 15 pro.
Admittedly it’s been a while since I rebooted, or restarted Safari
Symptoms
These are my most frequently used sites on this iPad, so I don’t know if they’re really connected or just the odds make them look that way