Material compiler incorrectly generates error

UE - Graphics Features - Oct 30, 2017

Under certain conditions, the material compiler appears to detect errors where there are none. I debugged the particular case of the RGBtoHSV material function with JonathanL, and we believe that th ...

Thumbnail of material is not previewed if FSoftObjectPath is used.

UE - Editor - Content Pipeline - Import and Export - Jun 11, 2018

https://udn.unrealengine.com/questions/437463/%E3%83%9E%E3%83%86%E3%83%AA%E3%82%A2%E3%83%AB%E3%81%AE%E3%82%B5%E3%83%A0%E3%83%8D%E3%82%A4%E3%83%AB%E3%81%8B%E8%A1%A8%E7%A4%BA.html ...

Crash when calling SetActorLabel in Construction Script

UE - Gameplay - Blueprint Compiler - Jul 31, 2018

Calling SetActorLabel in construction script will cause a crash. Also occurring in Main @ CL 4235929 ...

Cloth simulation doesn't work correctly if Compute Skin Cache is ON.

UE - Simulation - Physics - Character - Aug 16, 2018

It seems that cloth simulation doesn't work correctly on 4.20 if Compute Skin Cache is ON. We can easily repro it with Content Example [Link Removed] Is this by design? ...

SceneDepth failed with MSAA on PC Mobile Preview

UE - Platform - Mobile - Sep 19, 2018

In PC ,RHICreateTargetableShaderResource2D will create SeparateTarget and ShaderResource, and after basepass resolve depth from TargetableTexture to ShaderResourceTexture. But in mobile preview,  ...

REGRESSION: Metadata no longer import in Unreal from SKP files

UE - Editor - Content Pipeline - Datasmith - Exporters - Jan 16, 2019

The reason is simple, the actor names is not the same as the metadata name: [Image Removed] ...

Apple TV offline saves fix

UE - Platform - Mobile - Jul 31, 2019

Offline save games don't work on Apple TV, (in fact all file operations fail) because Apple has decided that you can't store anything in the NSDocumentDirectory anymore. The fix is to replace occurr ...

CrashReportClientEditor crashes when starting Unreal Engine

UE - Foundation - Core - CrashReportClient - Jul 21, 2020

Destroying a camera actor makes the level Dirty

UE - Graphics Features - Oct 29, 2020

This does not occur except for Camera actors. ...