Unreal Engine Issues

ChaosCacheManager is not reproducing Trailing Events

ChaosCacheManager (CCM) is not reproducing Trailing Events. Particles set to track Trailing Events correctly follow the position of the trailing event when the Geometry Collection (GC) is physically ...

ChaosCacheManager is not reproducing Collision Events the second time you Record and Play

ChaosCacheManager (CCM) is not reproducing Collision events the second time (and onwards) we record a Geometry Collection (GC) breaking session. Particles set to track Collision Events correctly fol ...

ChaosCacheManager is not recording the Observed GeometryCollections NotifyBreak states between level loading and will default to false if changed from Record to Play

ChaosCacheManager (CCM) is not recording the Observed GeometryCollections (GC) NotifyBreak states between level loading and will default to false if changed from Record to Play. AChaosCacheManager ...

Shader Complexity not working correctly on Deferred Decals

If you place a deferred decal in the world and then set the view mode of the viewport to "Shader Complexity", the decal doesn't affect the complexity value. ...

"Base Pass Shader" stat results are missing or display incorrect information while using Vulkan

Base Pass Shader results are not showing, or showing up incorrectly when looking at the Stats results within the material editor of an Unreal Editor using Vulkan. Regression Tested: //UE4/Release-4 ...

Scaling actor along the Z Axis while the X and Y axis are set to 0.01 causes the Actor to stop rendering in the scene

This is a regression tested in //UE5/Release-5.0 CL18319896 Scaling a Static Mesh along the Z Axis while the X and Y axes are set to 0.01 causes the Actor to stop rendering in the scene once the Z ...

Can't package project with custom engine plugin enabled.

When using ProceduralFoliageVolume, ActorFoliage can be used even if World Partition is enabled in UE5.0

UE5.0 does not support ActorFoliage at Levels where World Partition is enabled ( [Link Removed] ), but ActorFoliage will work via ProceduralFoliageVolume. And when you cook the level you will get an ...

Rigidbody world space simulation overwrites scaling of the skeletal mesh

Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Not a Regression. ...

StartPlayInEditorGameInstance doesn't consider bStartInSpectatorMode for client instances

In UGameInstance::StartPlayInEditorGameInstance, the server instance will go through the normal process of creating the URL using BuildPlayWorldURL, which checks the FGameInstancePIEParameters' bSta ...