OK, call my nuts here, but
I try to save my layout a lot.
I'll have open books that I'm not done with, open guides. A lot of times I have to exit the program rather suddenly. It freezes, becomes unresponsive.
Then when the program opens again, it doesn't open where I left off, but where I left off days ago. I had a passage guide that had a collection I removed a week ago. Open guides were closed, and other resources were gone.
Saving a layout isn't just the format but it's also particular resources too. Right?