Custom Ui Question's..

[Pwnica]

Hello Guys,
I have 4 quick Question's about the Custom UI you can now do...
and want to know if something like this,

The Guardian | HIVE (hiveworkshop.com)
(Custom UI Example)

Can cause any Desync in Multiplayer?
Is Visible for 8 Players?
Can cause any other Problems?
Is Visible for Classic and Reforged Players?

 

[Uncle]

1) If handled correctly and under the right circumstances they shouldn't desync.
2) Frames are visible to everyone by default. The trick is to make them invisible (hide them) and use GetLocalPlayer() to reveal them to specific players.
3) Desyncs are the only problem that really matters.
4) Yes.

Edit: I should mention that there may be issues that I'm personally unaware of, so take that for what it is. That being said, I've been using UI since it was first released without any serious issues.

 

[Pwnica]

1) If handled correctly and under the right circumstances they shouldn't desync.
2) Frames are visible to everyone by default. The trick is to make them invisible (hide them) and use GetLocalPlayer() to reveal them to specific players.
3) Desyncs are the only problem that really matters.
4) Yes.

thx Uncle for the quick Anwser... so I will try to do my own Ui
With my Basic Knowledge