PlatformerGame has blank white background during intro cut scene on tvOS

Docs - Samples - Oct 10, 2016

Blank white screen during opening cutscene tvOS 10.0 ...

Landscape GrassType does not have the option to exclude Decals

UE - World Creation - Worldbuilding Tools - Foliage - Feb 8, 2016

Landscape grass type lacks the option to disable decals from affecting it. ...

Mac editor mobile preview crash with MSAA on

UE - Platform - Mobile - Mar 1, 2021

setting  GSupportsTimestampRenderQueries=false or r.GPUStatsEnabled=0 can fix it ...

Hair sampling/aliasing in editor with sequencer

UE - Graphics Features - Jun 9, 2021

UPD: affected version 4.26 so regression for 4.27 is no ...

HighResShot Alpha always 255

UE - Rendering - Graphics Features - Aug 15, 2025

Expected behavior is that screenshot alpha should be 0 for pixels that did not have anything rendered into them. ...

MakeMaterialAttributes and LandscapeLayerBlend produce unexcepted results for WorldPositionOffset

UE - Rendering - Architecture - Materials - Nov 8, 2021

For comparison, this issue doesn't seem to occur when recreating the setup with Set Material Attributes/GetMaterialAttributes. It seems isolated to the Make/Break nodes. ...

Vector Field Initial Rotation will always have the same initial rotations for each emitter instance

UE - Niagara - Nov 11, 2019

The Vector Field Initial rotation module will have the same rotation for all instances of the same emitter. This is a regression from 4.22. ...

SIGSEGV: invalid attempt to access memory at address 0x3

UE - Platform - Apple - Jan 30, 2015

Crash Report: [Link Removed] ...

Translucent deferred decal materials look different when setting specular attribute directly or via constant node

UE - Rendering - Architecture - Materials - Nov 28, 2025

Translucent deferred decal materials look different when setting their specular material attribute directly on the material node versus setting it via a constant node ...

Crashes upon project start up

Tools - Feb 10, 2015

Crash Report: [Link Removed] After downloading latest revision, user is no longer able to open project due to constant crash. ...