Great suggestions :) For now, Steemit is keeping track of what they plan to work on on their end.

A while back I worked on a community wishlist project. It was helpful to organize all the good ideas in one place.
https://steemit.com/steemit-ideas/@timcliff/the-steemit-wish-list-avatars-notifications-multi-language-support-and-more-oh-my-v2-0