Per-object shadow corrupts on Android Vulkan

UE - Platform - Mobile - Jul 2, 2020

Array property of a User Defined Struct is corrupted when additional properties are added to the struct

UE - Foundation - Core - Jul 1, 2020

Modifying a UserDefinedStruct can lead to data corruption in Blueprint array properties. ...

Sequencer particle toggle tracks evaluate one extra frame

UE - Anim - Sequencer - Jul 1, 2020

It looks like particle toggle tracks use TimeRangeToNumberRange which gives the incorrect range as a result of CL 10893518 which fixed [Link Removed]. ...

mobile scenedepth issues on 4.25 with ES 3.1 Preview

UE - Platform - Mobile - Jul 1, 2020

We have a problem with the SceneDepth related features on the mobile after migrated to 4.25.1 from 4.23SceneDepth node output issue in translucent materialsDepthFade node output issue in translucent ...

MoviePipeline skipped frames using Temporal Subsampling + Time Dilation

UE - Anim - Sequencer - Jun 30, 2020

The frame appears to be getting skipped entirely, but the timing for the frames on either side of them is correct, ie: if frame 10 is skipped, frame 9 and 11 still match the working case, so the ove ...

Crash opening project with Hair assets

UE - Simulation - Physics - Jun 30, 2020

Crash occurs when the user opens the linked project, which has Hair assets. [Link Removed] ...

VFInitRotation(Cascade) always provides the same rotation

UE - Niagara - Jun 30, 2020

This problem caused by incorrect initialization of RandomStream in the GPU particle. //PaticleGpuSimulation.cpp virtual void Init() override { ... check(AllocatedTiles.Num() == TileTimeOfDe ...

Error: FAsyncPackage::LoadImports for <some asset>: Skipping import PaperTileMap /Script/Paper2D.Default__PaperTileMapActor:RenderComponent.PaperTileMap_0, depends on missing native class

UE - Gameplay - Blueprint Compiler - Jun 30, 2020

User reporting seeing this error start appearing in 4.25.1 (possibly 4.25.x, unsure if they were previously testing on 4.25.0 or not). It appears 'benign' as the expected data still gets loaded, bu ...

Renamed material parameters in layer functions don't propagate to MIs

UE - Rendering Architecture - Materials - Jun 29, 2020

Long Movie Pipeline Renders cause Audio Crashes

UE - Anim - Sequencer - Jun 29, 2020

This issue can temporarily be worked around by launching the editor with the "-nosound" argument which will disable audio recording. ...