Isn’t the first part a known bug (acknowledged here)?
Specifically:[quote=“TheGamer101, post:2, topic:31402”]
This is not intentional, it is a bug in our workaround for another bug! The chat attempts to re-parent itself to be the ScreenGui displayed on top whenever something is added to PlayerGui. We [are] releasing a ScreenGui.DisplayOrder property soon, and this will remove the need for this.
[/quote]
I’ve cut out some and bolded the significant section. This is being fixed soon (according the the last quoted sentence). For more context and the full quote, visit the original thread.