It would be fantastic if you could see GM Notes you have written in a token without having to double click and scroll down for each one. Having a preview tooltip of some kind when you hover over a token with notes would greatly improve expediency during games, I think. Ideally, we'd be able to see an entire GM note entry while hovering (unless it's so long it requires scrolling already), but even shorter lengths could be really useful. Here are a couple example images for how short and slightly longer notes might look with such a feature:
