User created constraints have a default joint name of "UserConstraint" that cannot be edited

Physics - Dec 6, 2018

Constraints created by users are all given the same Joint Name of "UserConstraint" and it cannot be edited. This makes referencing these joints individually impossible. Regression?: No This occurs ...

Static Mesh's Simple Collision does not mirror collision orientation when mirrored

Physics - Dec 5, 2018

Created Static Mesh Actor's Simplified Collision boxes do not mirror Collision Orientation when mirrored in the World/Editor. ...

AStaticMeshActor::CheckForErrors using exact compare instead of epsilon

Physics - Dec 5, 2018

AStaticMeshActor::CheckForErrors() is producing slightly incorrect results due to position and scale being exact matched, instead of using an epsilon comparison. Rotation is using Euler angles for ...

ContributeToMass not working when simulating physics

Physics - Dec 5, 2018

Un-checking the ContributeToMass setting on any part of a physics asset results in an ensure when simulating physics.  ...

Duplicate Physics replication call in PhysScene_PhysX.cpp

Physics - Nov 27, 2018

There is a duplicated block of physics replication code in PhysScene_PhysX.cpp  https://github.com/EpicGames/UnrealEngine/blob/release/Engine/Source/Runtime/Engine/Private/PhysicsEngine/PhysScene_P ...

Asset Registry should store the raw collision complexity enum

Physics - Nov 21, 2018

Any static mesh with collision complexity set to project default currently has the project default value stored in the asset registry instead of the "CTF_Default". By storing the converted value  th ...

Inconsistent asset property change propagation

Physics - Nov 21, 2018

Changes in an assets collision profile are picked up only when an instance is created, while changes to the assets collision shapes are propagated to instances. This represents an inconsistent handl ...

The Mirror option in the Physics Asset editor is not accurate

Physics - Nov 13, 2018

The Mirror option in the Physics Asset editor is not accurate at mirroring the bodies. The position and rotation is always skewed. Regression? No This occurs in 4.20 ...

Vehicle using Async Scene Crash

Physics - Nov 6, 2018

Setting a Vehicle to Asynchronous physics will cause a crash. Confirmed in 4.22 Main at CL 4542756 ...

Skeletal Mesh rigid body simulation is not being updated with correct bones locations right after Skeletal Mesh is spawned

Physics - Nov 5, 2018

When simulating in Editor, the Skeletal Mesh bone locations are not being passed into simulate if the simulation is being toggled the same frame when the Mesh is being set on a Skeletal Mesh compone ...