RThro packages make the position of HumanoidRootPart inconsistent with avatar scale settings disabled - Engine Bugs - Developer Forum

R6 Scaling on Rthro outfits is inconsisent between the avatar editor and actual ingame characters - Engine Bugs - Developer Forum

HumanoidRootPart Height has Changed, Causing Issues - Scripting Support - Developer Forum

Rthro, Roblox Wiki

Custom character model issues, Please help! - Scripting Support - Developer Forum

Any way to force RTHRO? (SOLVED) - Scripting Support - Developer Forum

Announcing Unlocked Avatar Scaling: Expanding the Roblox Universe - Announcements - Developer Forum

Problem with HumanoidRootPart - Scripting Support - Developer Forum

Floor Sliding/Humanoid.HipHeight spontaneously set to 0 - #13 by MrChickenRocket - Engine Bugs - Developer Forum

Custom character model issues, Please help! - Scripting Support - Developer Forum

Problem with HumanoidRootPart - Scripting Support - Developer Forum

Floor Sliding/Humanoid.HipHeight spontaneously set to 0 - #13 by MrChickenRocket - Engine Bugs - Developer Forum

How to build for rthro? - Building Support - Developer Forum

Can't select humanoidRootPart on the animation editor? - Art Design Support - Developer Forum

R15 / Rthro Ragdolls - Community Resources - Developer Forum