Launch on fails during staging with a SafeCopyFile Exception for MfMedia.uplugin

Tools - Jan 10, 2017

Was able to repro this on machines with and without machines set up for Xbone testing. ...

Crash Occurs When Creating Pose Asset from an Animation in Persona

OLD - Anim - Feb 1, 2018

Engine crashes when creating a new pose asset in persona using the Create Asset option -Tested with walk, idle, and run anims -Didn't crash only once out of the several times tested with the Third ...

LightPropagationVolume plugin can not be disabled

UE - Graphics Features - Aug 6, 2015

SceneRenderTargets.cpp includes LightPropagationVolumeBlendable.h, which means if you disable the LightPropagationVolume plugin and compile, you will get compile errors. ...

Crash in FLandscapeComponentSceneProxy::GetStaticBatchElementVisibility with tiny component size

UE - LD & Modeling - Terrain - Landscape - Feb 27, 2015

Loading a level with a landscape with a 7x7 component size and 2x2 subsections can crash when texture streaming is enabled ...

Black screen caused by depth of field on several mobile devices

UE - Platform - Mobile - Apr 24, 2017

DOF does not display correctly(screen turns black) on several mobile devices. I could repro the issue on:Samsung GALAXY S7, Android 6.0.1Xperia X Performance (F8132), Android 6.0.1 ...

Fountain emitters are constantly showing errors in the timeline and are not displaying correctly

UE - Niagara - Mar 4, 2021

This issue is not present in 4.25.4 You can also avoid the problem if the LoopBehavior of the EmitterState is Multiple and LoopDelay is enabled. [Image Removed] It seems to be a binding of certai ...

Launch on Nexus 9 fails due to unknown arm64-v8a architecture

UE - Platform - Mobile - Mar 13, 2015

Nexus 9 fails due to unrecognized CPU architecture. Need to add mapping of arm64-v8a to arm64 (UE4 internal architecture for this part) so it will fall back to armv7 for now and in future use 64-bi ...

ApplyAdditive AnimBlueprint node with Slot node is not working correctly.

OLD - Anim - Dec 24, 2015

Applying ApplyAdditive node with Additive motion directly on AnimBlueprint works correctly but applying ApplyAdditive node with Slot node playing additive motion is not working correctly that makes ...

LightMap is created exceeding [Packed Light and Shadow Map Texutre Size]

UE - Graphics Features - Lumen - Oct 3, 2019

When LightBuild is performed with CornTestBox.umap of EngineTest, 4096 light maps are generated even though [Packed Light and Shadow Map Texutre Size] is 1024. The reason is that the asset's LightMa ...

No dithered lod transition when changing Field of view

UE - Rendering Architecture - RHI - Nov 26, 2019