Unreal Engine Issues

A WaterBody blueprint class with an added component will not compile if Blueprint Nativization is enabled

This is Not a regression. Tested in: //UE4/Release-4.26.2 CL15973114 Binary - Reproduced //UE4/Release-4.27.1 CL17735300 Binary - Reproduced When adding a component to a Water Body actor it should ...

Some instances spawned by NeagaraDataInterfaceChaosDestruction breaking event will be set location to the world origin

 The following code can often be found in UNiagaraDataInterfaceChaosDestruction.const int32 ParticleID = ParticleIDParam.GetAndAdvance() - LastSpawnedPointID + 1; The LastSpawnedPointID is usual ...

When the Initial Position of an Animation Asset is entered outside the expected range, the animation gets stucked and does not refresh.

The animation gets "corrupted" when the Initial Position value has an invaildad value. In this case, this means that the Initial Position value is outside the range of the duration of the Animation. ...

Duplicating and then undoing leaves a null actor in level

Regression BROKEN: //UE4/Main CL 3227721 (Dev-Framework merge) WORKING: //UE4/Main CL 3227387 When the user duplicates and then undoes the action, there will still be that actor in the level, but w ...

Collision not showing after switching between No Collision and Default

When using Show collision it appear that the collision will not update its visibility when switching between No collision and Default. Once the collision has been set to No collision it will no long ...

Simple HMD VR preview left eye color issue

The left view in simple hmd (when no HMD is in use) will appear different from the right. All assets in the left view will appear one color (example image attached). ...

Rear tires on vehicle in VehicleGame sample detach and drift back from axel as user accelerates

This is a regression from 4.15 as it is unreproducible on a binary build in //UE4/Release-4.15 @ 3416026. Both my 4.15. and 4.16 versions were obtained from the EGL. The more the higher the speed t ...

Performing a launch on to windows, and then enabling world HLOD and opening the outliner will crash the editor

Removing a transform track from the sequencer will no longer clean up spawnable actor when the sequencer is closed

Note : Reopening the level sequence causes ensure failed. (also see callstack) LogOutputDevice: Error: === Handled ensure: === LogOutputDevice: Error: Ensure condition failed: InstanceRegistry->I ...

[Feature Request] Artists want "importing fbx chunks" functionality back in chaos fracture.

Some artist customers want a tool to customize fractured mesh in chaos fracture just like the functionality "import fbx chunks" in APEX destruction, that could give them more controllability of the ...