Time: December 25, 2013 around 10:30AM CST
Frequency: Always
World name: Cactuar
Character name: Aliera Nariel
NPC name: N/A
Monster name: N/A
Class/level: Botanist/36
Party or solo: solo
Race: Miq'ote female
In-game time: 1:30
Area and coordinates: Eastern La Noscea (21,22)
Steps:
Since 2.1, I have notices an issue wherin if I am using the Expanded Hold Controls of the Cross hotbar, if I change bars quickly, or use an action like Teleport on the LT + RT bar, I will get a white highlight that stays on the hotbar slot until I try and use a skill on that bar.

Easiest example, assign LT + RT + X to teleport, and then put a skill on LT + X. Activate teleport and notice the highlight doesn't go away.

I've attached a screenshot if this occuring: