Unreal Engine Issues
Unreal Engine Issues
Landscape.Nanite.MaxSimultaneousMultithreadBuilds hangs indefinitely
UE - Graphics Tools - Terrain - Landscape - Jul 31, 2024It's possible for NaniteStaticMeshesInFlight to never be decremented because all the background workers are waiting indefinitely for the ones in flight to complete their static mesh build. ...
Pie startup optimization: UWorld::PostDuplicate::ValidateTextureOverridesForPIE optimization
UE - DEET - EditorLoader - Jul 29, 2024Here is a snap shot of the propose UDN change: TRACE_CPUPROFILER_EVENT_SCOPE(ValidateTextureOverridesForPIE); TSet<UMaterialInterface*> ProcessedMaterials;TArray<UPrimitiveComponent*> Components; ...
Incorrect Lighting With Exponential Height Fog And Light Function Atlas
UE - Graphics Features - Jul 29, 2024There currently is a mismatch occurring when light function atlases are used in conjunction with exponential height fog. When the flag r.VolumetricFog.UsesLightFunctionAtlas is enabled, light shafts ...
JumpForce replicated ability task not always cleaned up properly
UE - Gameplay - Gameplay Ability System - Jul 19, 2024See [Link Removed] for original report. UAbilityTask_ApplyRootMotionJumpForce has a slightly different flow than other Root Motion Source ability tasks. It is the only one that allows EndTask to b ...
Crash when enabling global logging in 5.4.2
UE - Foundation - Jul 3, 2024Packaged projects on 5.4.2 (DebugGame) crash immediately on startup when it is opened through the command line using the global logging very-verbose argument. ...
AssetRegistry has poor performance when a large map is resaved
UE - CoreTech - Jun 21, 2024A licensee reports that their large map has a 10s cost in the AssetRegistry when resaved. They took a profile and found the cost is mostly in LoadCalculatedDependencies for the map, and most of that ...
UDebugDrawService doesn't display text on Blueprint Editor viewport from UDebugComponent
UE - AI - Debugging - Jun 17, 2024By creating a DebugComponent, the texts added to this component are not displayed in the viewport of the Blueprint editor. This is because the UCanvas reference that is being passed is that of the ...
TAttributeContainer::CopyFrom crashes when container contains invalid bone indices for active mesh
UE - Anim - Runtime - Jun 16, 2024Currently there's no validation within the animation attribute container that bone ids are valid. This means that client/game code can add attributes with invalid bone ids into the container and th ...
PIE with split screen prevents some drop down menus from working in Sequencer
UE - Editor - UI Systems - Slate - Jun 14, 2024Create a level sequence, add an audio track and an event trigger track to the sequenceAdd a keyframe to the event track and create a new endpoint for the keyAdd an audio section to the audio trackIn t ...
Render in Movie Render Queue with High Resolution Tiling Overlap causes dark pixels
UE - Anim - Sequencer - MRQ - Jun 13, 2024From UDN: thanks for your reply. I have attached a very basic scene with a MRQ settings preset. The only thing I have changed in the scene is that I've set the Camera Exposure to manual, as it do ...