Additional data.

[DeltaGW2]

• Gear
• Build
• Skills
• Target Info
• Squad Member Health (%) (+ IsAlive, IsDown)
• Core Stats / Scaled Stats
• Nicknames
• Instance Owner
• Alliance ID
• Guilds and represented guild
• Hovered UI element (Type & ID)
• Ready Checks
• Map Queue Info (Queue Count, Positon, Map)

[lorkanoo]

Would like to have for better experience in my addon:

• Hovered ui element type and id

[Vildravn]

• Ready check status
  Probably similar to what UE does

[DeltaGW2]

Map queue info

[John-Dean]

Could you add if you're mounted on a Siege Turtle of Skiff and not the pilot?

I don't think there is a way of detecting this at the moment.