As of July 14:

Prepatch

• Storm of Swords
• • Proc makes Whirlwind cost no rage
• Cleave replaces Whirlwind
• • Update threshold checks
• • Update options

TWW Launch

Colossus

Slayer

• Slayer's Dominance
• • Color Execute threshold line when active
• • Bar text for stack count

Baseline TBD

• Collateral Damage
• • Whilwind/Cleave threshold color change when active
• • Bar text showing how many stacks / %
• Executioner's Precision
• • Change Mortal Strike threshold color when active

Will revisit threshold line coloring in the future.