The bug
When you dye a sign in creative mode, it removes the dye item you used to dye it. Instead you should keep the item since you're in creative mode.
Linked issues
is duplicated by 12
MC-138526
Dyes are consumed when dying a sign in creative mode
Resolved
MC-138538
Dyeing text colour of signs in creative mode uses up the dye
Resolved
MC-138563
Signs consume dye in creativ mode
Resolved
MC-138564
Signs consume dye in creativ mode
Resolved
MC-138570
You lose one dye after coloring a sign (Creative mode)
Resolved
7 more links
NOOOOOOOOO! DONT FIX THIS GLITCH