Hey there.
Here's what I do. I select a mesh, I'll called it A (which is part of a bone where there is 2 attachment. Either I show A, either I show B). Then I'm moving along my timeline with my mouse, with my selection still active.
Then, I come on a frame where my actual selection A is hidden. Now my B asset is showing up.
And here is the thing. The timeline changes. Why??? I was with my mouse on the frame 46, now I'm on 41 and my timeline doesn't have the same width. I found it veeeery disturbing.
See picture. Going from 1 to 2. Just because I moved on the timeline. I know some changes has to be done since my asset is not visible anymore but still...
Can we not lock the timeline at some point?
Another 'too bad' behavior is if you go forward frame by frame with the shortcut keyboard, you loose your selection. Too bad you cannot get back your previous selection is you go back with the keyboard shortcut. Because you loose your selection completely.