Release Notes for 580

Fixed an issue where raycasts against terrain or meshes were limited to a maximum range of 2048 studs.

Implements immediate disconnect behaviors. connection:Destroy does a regular disconnect and runs pending events (unchanged). connection:Disconnect does an immediate disconnect and drops pending events.

Adds a tooltip to evaluate selected expressions during a debugging session.

Adds a command to Studio to evaluate an expression at the text cursor location while debugging.

Adds Instance:IsPropertyModified() and Instance:ResetPropertyToDefault() APIs.

Disconnecting from an Event is now more efficient.

Fixed problems that occurred with PlayerGui and respawn when using an atomic starter character.

We optimized the update rate for shadows in future lighting mode.

Make Terrain:Clear() way faster on large terrains.

Improved autocomplete for Vector2 by adding type information for the Min/Max methods.

Fixed bug where Find/Replace widget would loose focus to the script editor when you clicked away and back to the find/replace widget

Fixes interactions between Studio and engine highlight instances.

Fixed buttons returning to the idle state after being clicked when the mouse is still hovering.