Unreal Engine Issues

The Starter Contents SM_Statue exists in a bad state, leading to crashes when trying to open levels where it is referenced

The SM_Statue exists in a bad state leading to a crash when it is loaded or anything that references it is loaded, e.g. Minimal Default level in the Starter Content. It can be deleted as a temporar ...

The collision is wrong when the static mesh scale is set as negative value

I checked the c.haos code quickly. I think it caused by the function "bool FInitBodiesHelperBase::CreateShapesAndActors()". In this function, the CreateActor_AssumesLocked function will ignore the s ...

Collision channel settings are not recognized in Standalone

Object instances that override the parent blueprint's collision settings are recognized in PIE but ignored in standalone or when running from the command line with -game NOTE: This appears to only ...

Client disconnected due to MissingLevelPackage in editor with Iris and server streaming enabled

When connecting to the server, if the client activates some local cells while the connection is still pending, ULevelStreaming::IsConcernedByNetVisibilityTransactionAck will return false. In this ca ...

Dynamic NavMesh disappears when loading/unloading SubLevels

A DynamicNavMesh within a NavMeshBoundsVolume placed in a SubLevel will disappear if loading/unloading another SubLevel that has completely nothing to do with the DynamicNavMesh. Using a setup with ...

iOS - Windows - Code projects fail to launch and package

Attempts to Launch On to or Package for iOS fail with: LogPlayLevel: Program.Main: ERROR: AutomationTool terminated with exception: AutomationTool.AutomationException: Unabled to build Project C:/Pr ...

ComponentOverlapMultiByChannel with a rotated simple collision PrimComp misses overlap vs. complex collision

UWorld::ComponentOverlapMultiByChannel and internally, the call to FBodyInstance::OverlapMulti, misses overlaps and blocking hits when the PrimComp's (the component used to test overlaps) mesh uses ...

Movie Render Queue Deferred Lighting(Detail Lighting) only outputs Lighting Only

This is not a regression. Tested in //UE4/Release-4.27 CL#18319896 Movie Render Queue Deferred Lighting(Detail Lighting) appears to only output Lighting Only.  ...

Shortcuts do not appear to work for the visual logger

Shortcuts do not appear to work for the visual logger in the editor preferences ...

Crash when undoing emitter deletion in Niagara System