Here are some suggestions from my guild and random players in Gridania. I'm unsure if most of these are fixed or are in the progress.

Mounted quest turn ins

Ability to remove dot timers from other players

Being able to receive the buff before the animation instead of after

Summons should go into steady when on a mount

Queing system for abilities

Damage Meters

Being allowed to un track and track quests!

Elusive leap damage immunity

Immunity while using jump

Remove stuns from global Cooldown.

Being able to dismount when attacking an enemy

Reduce Shadow Flare grahpic.

Resizable combat text

showing Aetheryte names on the map


Party kick option

Party members rendered before other players in FATES

Allow players to deposit items in the free company vault

Give us an sort function for our retainer

Give circle of scorn an indication of where it may hit because of the delay

Grant complete immunity while casting a limit break