The latest #Roblox for VR release includes updates to height scaling and floor tracking. A player’s view of the virtual world will automatically scale so that your avatar feels human-sized and roughly represents your real world size.

devforum.roblox.com/t/2435150

In addition, with this release Roblox will also be moving to OpenXR, providing a solution for developers to easily support every current and future VR headset that Roblox officially supports.