Game window renders transparent when launched with -game -log commands on Mac

UE - Platform - Apple - Oct 31, 2016

This is only occurring on Mac and only in OSX 10.12. This is also a regression from 4.13 Right clicking in the dock, Show all windows, and selecting the game window does NOT fix the issue. Runnin ...

New Material Thumbnails are appearing distorted

UE - Rendering Architecture - Materials - Jun 1, 2016

When creating a new material the thumbnail will start out as the default material sphere but then quickly appear distorted, almost like its zoomed in really close. This does not affect already creat ...

[CrashReport] UE4Editor_CoreUObject!TFastReferenceCollector<1,FGCReferenceProcessor<1>,FGCCollector<1>,FGCArrayPool,0>::ProcessObjectArray()

UE - Foundation - Core - UObject - Jul 19, 2017

This is a common crash affecting users in 4.16. Over 100 users have been affected, although they have not provided additional information. Source Context 469 TokenStreamIndex++; 47 ...

After upgrading a project from 4.7 to 4.8 and compiling a blueprint that casts to and pulls a variable from a widget will cause a freeze if the widget is then compiled

UE - Gameplay - Blueprint - May 7, 2015

If the user has a project that casts to a widget to pull out a variable in a 4.7 project. This can cause a freeze after upgrading the project to 4.8 preview. This happens when the user compile the b ...

Compile failure launching C++ project onto tvOS/iOS in Development

UE - Platform - Mobile - Apr 13, 2017

This is the same issue as UE-41313 but is showing up in the release branch.[2017.04.12-21.37.50:215][354]LogPlayLevel: UnrealBuildTool: /Users/Shared/UnrealEngine/4.16/Engine/Source/Runtime/Core/Pub ...

GAS: Duration GameplayEffects applying same GameplayCue tag will on authority end all on-going GameplayCueNotifies when first cue expires

UE - Gameplay - Gameplay Ability System - Aug 16, 2024

When multiple duration GameplayEffects apply a GameplayCue with the same tag, the network authority game instance (standalone & servers) will remove all GameplayCues with that tag from the AbilitySy ...

Slowly flickering display in GearVR

UE - Platform - XR - Jul 12, 2017

The appears repeatedly in the log:[2017.07.12-14.57.06:022][ 4]LogHMD: Initializing OVRPlugin session [2017.07.12-14.57.06:652][ 4]LogHMD: Setting user focus to game viewport since session status ...

Adding assets to a project on a drive that is full still creates the file at the desired location instead of in a temporary location and provides no information as to why the asset is failing to load, corrupting the asset

Tools - Oct 31, 2016

Adding assets to a project on a drive that is full still creates the file at the desired location instead of in a temporary location and provides no information as to why the asset is failing to loa ...

Morph Targets flicker Randomly in Slave Mesh

OLD - Anim - Oct 1, 2015

When a mesh is slave to a master mesh, its morph targets will flicker when Played in Editor. This does not occure with the same assets in 4.8. This has been reported by at least two different use ...

Distance Field Mesh default resolution artifacts on some shape meshes

UE - Graphics Features - Feb 10, 2016

Distance Fields generated for the 4 basic static mesh assets in the modes panel appear to have artifacts or low resolution. This is only affecting certain shapes that I can see. Adding in assets fro ...