Release Notes for 419

Add . keybind to open the Emotes Menu, and 1-8 keys to activate emotes on the wheel while it is open.

Enable MSAA on recent PowerVR mobile devices

TextBox now supports shift key modifier to select text.

Improvements for Japanese and Korean input methods on win32 client

In Luau, closing over upvalues that don't change (that is, aren't assigned to) is now substantially faster, generates less GC pressure, and the resulting closures take less memory.

Enable MSAA on recent PowerVR mobile devices

Behavior improvements to the physics sleep system.

Fixed Studio issue in which previewed sounds continued playing after their parent parts are deleted

Luau now correctly believes that string.byte returns a number, not a string.

Studio now recover from fatal exceptions created by Luau.

Copy ID for meshes in game explorer now copies Mesh ID not MeshPart ID

Fixed drafts still being selected in the Drafts widget if you committed them and then checked them out to Drafts again

Fixed being able to commit scripts in the Drafts widget while they were already being committed (resulted in a UI error logged to Output)

ScrollingFrames now scroll by a fixed amount instead of by a percentage of the ScrollingFrame's height.

An issue preventing users from entering payment information for Robux on Mac clients has been resolved