Courier is annoying and SUGGESTION
ok. so it does need the resume delivery, and when you press it to get your stuff it AUTOMATICALLY returns to base, to get your stuff, interrupting the other person delivery.
When playing with legacy keys [x] ON YOUR HERO
you cant change courier hotkeys, which sucks.
need customizable shop keys (or dota1 shop system mod)
need customizable hotkeys for invoker (ability to change the hotkeys for spells)
need to be able to bind middle mouse for inventory items
need mouse sensitivy option