[Interest] [Quick Controls 2] Best way to add binding arrow tip to Popup?

[Oleg Evseev]

> It probably wasn't mentioned because it's got a bad reputation as being
> slow. It's easy to abuse it and end up with crappy performance. As long as
> you limit the amount of painting you do and how often you do it, I don't
> think using it is really an issue in practice.


I see, thanks for help!
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