Speeding up of some List displays

[emyoulation]

Doug Blank’s posting is pertinent:

Why is Gramps slow in some places?

After an 8 year break from Gramps, I’m looking at all of the changes and new things. Wow! But somethings haven’t changed. Gramps is still slow in some places. Why? In order to refamiliarize myself with the codebase, I started to look at filters. @emyoulation kindly shared a large family tree to explore some specific oddities in filtering and searching. And now it begins to come back to me. In this thread, I’ll document some issues and ideas as I explore anew. First, I wanted to get a feel for…