Automatic Subclip Adjustment to changes in frame rate.
Premiere has an issue where if you import a subclip into a sequence with a different frame rate than the source, the subclip will desync & include frames that were not present in the original subclip.
This might seem like a minor nuisance, but if you're using scene edit detection to break down footage into their constituent shots for repurposing (think of the subclips like a painter's palette), this desync can cause the first frame to be from the previous shot.
Now, I did find a solution to this problem (which I will link below), but it requires certain work arounds that I feel shouldn't be necessary. Especially because it's not unlikely for a project to include different footage sources with varying frame rates, depending on the project, so that only increases the amount of work needed to conform everything to a single, unified standard.
This might have been unsolvable for a lot of Premiere's history, but with the scene edit detection AI already detecting where the edits are in the clip, I imagine it shouldn't be too difficult to set up something similar with the subclips; a similar AI could detect changes in frame rate & adjust the clips to stay within their boundaries set up at the creation of the subclip, streamlining the process immensely.
This would also make the program more accessible to editors with AD\HD (like myself), where having to keep track of so many different variables can often downright sabotage any productive workflow that may have otherwise been achieved, so it would be a victory overall if something like this was implemented.
I won't act like I know how much work this would ultimately take to implement, but I do firmly believe that the foundations are already in place, so achieving such a feature (theoretically) shouldn't be a herculean task.