Release Notes for 462

Universal Constraint: A new physics constraint that ensures two axes on two rigid bodies remain perpendicular. An example use of this constraint are power transmission between the transmission and rear drive shafts of rear-wheel drive cars, robotics, etc.

Parallel Lua: changed internal behavior of debug.profilebegin and debug.profileend to be thread safe.

Parallel Lua: calling print() and triggering errors is now thread safe

Typed Luau now traces types across modules even in nonstrict mode.

Resolved issue causing the PrimaryPart property of models to be cleared when the part is streamed out and back in again.

Luau Types: fix an issue where type mismatch errors involving class types would describe an incorrectly reversed direction of conversion

Fixed a crash when deselecting an instance while the Properties widget was resolving its Decal ID to the Image ID

Ensure environment lighting update upon change of custom skybox when atmosphere is in use

Allow a table with an indexer to get properties added to it.

JSON api information now contains thread safety information.