Fit canvas to all layers without trimming?

It’s not just you.
Here is that Wishlist bug report. You can do an advanced search where you can specify many parameters including the names of people involved, which is how I found it:

There has been some work on a script for this and scripts can be activated by custom keyboard shortcuts:

With regard to my reply in the topic:

I didn’t get around to trying it and testing it. :grimacing: Maybe you could do that?

P.S. Thank you for your excellent tutorial/information websites that you’ve recently posted links to. I’ve bookmarked this one and will try it one day when I have time: