ID:2481452
 
Resolved
Several issues regarding global color changes in an icon have been fixed.
BYOND Version:512.1471
Operating System:Windows 7 Pro 64-bit
Web Browser:Chrome 75.0.3770.100
Applies to:Dream Maker
Status: Resolved (512.1472)

This issue has been resolved.
Removing a color on Colors/Edit doesn't visually auto update other frames besides the currently selected one. You need to click on the frames for them to be visually updated (to have the color you removed dissappear from the frame).
Lummox JR resolved issue with message:
Several issues regarding global color changes in an icon have been fixed.