I'd love to see the following:
Ability to hide squad member nameplates. All that nameplates overclutter the screen and discourage joining any squad.
Per-character keybinds. I play different professions and they have different rotation flow. I usually follow some semantics when binding keys, like healing skill on Shift+E, offensive skill on Shift-F, defensive skill on Shift-G, etc., and that would make playing them much more enjoyable.
For the love of god reduce cooldown time on Rechargable Teleport To Friend. One hour cooldown is too much, but having to stay online all