Physics replication is not working correctly and clients receive different results

UE - Simulation - Physics - Aug 9, 2018

Physics replication is not working properly. The replicated physics are different than what is on the server. The user who reported this issue pointed out this line as well which seems to not do any ...

Default Material applied to assets when Creating a Destructible Mesh

UE - Simulation - Physics - Destruction - Oct 30, 2018

Creating a Destructible Mesh from a Static Mesh isn't carrying over the Material applied to the Static Mesh. The following warning is generated when the Mesh is created and when it is fractured:LogA ...

Packaged content hangs when relaunching on Oculus Mobile device after Closing the application

UE - Audio - Apr 9, 2019

This does not occur with some previously packaged First Person templates that were on the device still namely one from //UE4/Dev-VR 4.21.0 @CL 4277723  It also does not occur with other apps on the ...

Waking both of a constraint's rigidbodies re-enables collisions between constrained actors that were disabled by a Physics Constraint Actor

UE - Simulation - Physics - Solver - Apr 12, 2022

Waking both of a constraint's rigidbodies re-enables collisions that were disabled by the physics constraint You can also get this issue to occur by either shooting the two cubes around a bit, or by ...

Sequencer in packaged VR project does not appear to work when using sequence player on begin play

UE - Anim - Sequencer - Sep 27, 2016

Sequencer in packaged VR project does not appear to work when using sequence player on begin play. The HMD no longer appears to be affected by sequencer after the project has been packaged out ...

When show propertymatrix and delete target actor, the editor crash

Tools - Jul 11, 2017

It looks like it is null reference in propertymatrix. It always occurs when I execute the reproduction procedure. ...

AISystem::RegisterBlackboardComponent being called not in all valid cases

UE - AI - Feb 6, 2015

Observed by 4.7 preview 5 user. After closed investigation it turned out he had two consequent AIController::UseBlackboard calls, which triggered a ensure failure in AISystem::UnregisterBlackboardCo ...

Deleting static mesh that is used by foliage tool in content browser then selecting foliage window crashes editor

UE - World Creation - Worldbuilding Tools - Foliage - May 11, 2015

If a static mesh is being used by the foliage tool and then deleted in the content browser, the foliage tool will retain a copy of the object and crash the editor if the foliage window is selected a ...

Blutility context menu popup shows all pins inside function

OLD - Anim - Jul 23, 2018

ActorAction Blutilites are showing all pins inside a function. This does not happen with editor callable custom events. Also occurring in Main/4.21 CL #4221482 ...

Setting the Camera Modifier to 'None' crashes the editor

UE - Gameplay - Jul 14, 2015

The PlayerCameraManager will cause the engine to crash if you set the first element to 'none' under the Camera Modifier. ...