If someone can't see their head color, the two best workarounds right now are:
1) Watching for the "conversion imminent" combat text which lets you know when you're about to convert, and if even that doesn't show up then
2) Back away from the group during conversions and watch your damage numbers on the boss. If your damage suddenly drops it means you swapped colors and should rotate to the other boss.
Even if the head colors are bugged the combat text should still pop up on the screen. So if that text doesn't pop up for those players then they need to back away from their group during each conversion and watch their damage numbers to tell whether they converted or not.
It's a pain, but it's still doable.
If someone can't see their head color, the two best workarounds right now are:
1) Watching for the "conversion imminent" combat text which lets you know when you're about to convert, and if even that doesn't show up then
2) Back away from the group during conversions and watch your damage numbers on the boss. If your damage suddenly drops it means you swapped colors and should rotate to the other boss.
Even if the head colors are bugged the combat text should still pop up on the screen. So if that text doesn't pop up for those players then they need to back away from their group during each conversion and watch their damage numbers to tell whether they converted or not.
It's a pain, but it's still doable.