[daydream] Black screen with FirstPersonTemplate and 4.15P4

UE - Platform - XR - Feb 17, 2017

https://answers.unrealengine.com/questions/561763/daydream-black-screen-with-firstpersontemplate-and.html Any msaa setting except none results in a black 3d scene on daydream. ...

iOS movie become laggy and crashes when played in iPhone 6/6s.

UE - Platform - Mobile - Feb 24, 2017

Movie play in iOS is laggy and crashes in some movie. This issue seems to be happening when the movie is played in umg widget. Tested in 4.14.3 4.15 Dev_Mobile Latest as of 2/24 Original UDN post ...

[CrashReport] Linux Crash in FActiveSound::GetWorld()

UE - Platform - Linux - Aug 11, 2017

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: SIGSEGV: invalid attempt to write ...

FBX skeletalmesh animation import use an integer for sample rate

zComponent - Archive - Sep 11, 2020

Integer sample rate is not playing well with 23.976(NTSC/24) sample rate, the curve get resample at 30Hz in that case and we loose precision. We need to support FFrameRate sample rate to get accura ...

Dithered LOD Transition Tooltip within the Material Editor is Misleading

The tooltip states, "Wether the material should support a dithered LOD transition when used with the foliage system." It is my understanding that the foliage system uses LOD dithering by default, a ...

SpeedTree assets cannot be imported via Python automated import

UE - Editor - Content Pipeline - Import and Export - May 7, 2020

Licensee reports via UDN that automated import via Python of SpeedTree assets does not work The issue is that USpeedTreeImportFactory::FactoryCreateBinary() tries to generate a UI dialog, which is ...

Skeletal mesh merging ignores clothing

UE - Simulation - Physics - Character - Mar 3, 2020

Skeletal mesh merge doesn't support clothing. Looks like we should just be able to duplicate the clothing assets, clear the binding data and use ClothingAssetUtils::GetMeshClothingAssetBindings to p ...

ProcessPriority performance consideration with Generation 12 Intel CPUs

UE - Core - Cpp Tools - UnrealBuildTool - Oct 26, 2022

It has been noted that the default BelowNormal process priority set in UnrealBuildTool is not handled well with the Gen 12 Intel CPUs as processes are only scheduled on the E-Cores which causes degr ...

[OPENGL]: Enable Subsurface Scattering

Tools - Jun 29, 2015

Subsurface scattering is disabled on all OpenGL platforms despite the shaders being properly translated & OpenGL platforms supporting the relevant CPU-side APIs. This also affected Metal for the WWD ...

Material Expression Reference Page: "Inputs" and "Outputs" definitions reversed from illustration

On the Material Expression Reference Page, located here:https://docs.unrealengine.com/latest/INT/Engine/Rendering/Materials/ExpressionReference/index.html Material Expressions has an image numbered ...