Release Notes for 400

API to allow plugins to access the Studio Rotate Increment, Grid Size, and Local Space setting.

Added UDim2.fromOffset() and UDim2.fromScale() constructors

Property access and method calls are now noticeably faster for objects in deep hierarchies.

Fixed rigid body mass sometimes not being updated when a Massless part become it's own root, causing a body to have 0 mass, instantly warp into the NaNiverse, and be destroyed. Fixes a hat dropping bug.

Fixed a problem where touch events were not generated for parts created too close to each other when one of the parts has CanCollide = false.

Fixed several ScrollingFrame bugs

Fixed bug where cars would be stuck in reverse with gamepad throttle inputs.

Fixed a crash while uploading a mesh where the texture file path is missing.

Fix issue described in this report: https://devforum.roblox.com/t/replication-race-condition-when-reparenting-a-model-while-a-client-is-connecting/339084