Unreal Engine Issues

When using a NavModifier with a NavBoundsVolume being in a SubLevel, unloading the level causes a crash.

When repeatedly loading and unloading sublevels with a NavBoundsVolume, it will cause a crash when using a NavModifierVolume. When the NavMesh is unloaded, it seems that the number of the DirtyLayer ...

Attempting to compile an editor plugin that spawns an instance of ACullDistanceVolume causes a linker error

A linker error is encountered if an Editor plugin spawns an ACullDistanceVolume instance. This is caused by neither having ENGINE_API or MinimalAPI specified in its UCLASS macro. Regression?: No Th ...

SketchUp models are too small once imported via the Datasmith plug-in

In Sketchup the user made a cube thats 100cm x 100cm x100cm and has Sketchup's measure units set to cm. When imported into DataSmith the cube is 39x39x39. It was calculated that the scaling was off ...

Pawn Velocity dramatically different on server and client with Client Authoritative Position

The server is not seeing the correct walking animations on each of the clients and after doing some digging, we found that the Pawn->GetVelocity() function is returning something drastically smaller ...

Add ENGINE_API to FPhysScene's AddPendingSleepingEvent and AddPendingOnConstraintBreak

Add ENGINE_API to FPhysScene::AddPendingSleepingEvent and FPhysScene::AddPendingOnConstraintBreak. Useful when overriding FPhysXSimEventCallback via FPhysScene::SimEventCallbackFactory. ...

Default collision profile is effected by previously set profiles

During play: Switching from a defined collision profile to the default profile results in default behaving as the previous profile. Switching from this to the custom collision profile results in ...

FGenericPlatformMemory::OnOutOfMemory should be broadcasting GetOutOfMemoryDelegate instead of GetMemoryTrimDelegate

SkelMeshMerge not working for meshes with >1 LOD

Reported on UDN (see Additional Info URL). Looking at code, we call USkeletalMesh::AllocateResourceForRendering for every LOD, but we should only call it once. Need to check if our SkelMeshMerge t ...

CircleDOF Creates Artifacts When Close to a Translucent Surface With an Object Behind It

With CircleDOF enabled artifacts will occur when getting close to a translucent plane with an object behind it. This does not occur with any other DOF method or if "Render After DOF" is disabled in ...

Editor crash loading a Blueprint asset when a child scene component C++ type changes to a non-scene component type.

Changing the type of an existing child scene component to be a non-scene component type triggers some fixup code at load time which attempts to remove the node from its current position in the scene ...