Dynamic point lights generate shader compile errors on HTML5

UE - Platform - Mobile - Aug 20, 2015

The new ES2 movable point lights look promising. Unfortunately, there seems to be an issue with them in HTML5 builds. They work great in the ES2 preview mode in the editor, but when running in an ac ...

Bitfield Bools in a struct and AnimBlueprint transitions not working together

UE - Gameplay - Blueprint - Apr 12, 2016

USTRUCT(BlueprintType) struct FTestStruct { GENERATED_USTRUCT_BODY() UPROPERTY(BlueprintReadWrite) uint32 ValueC : 1 ; UPROPERTY(BlueprintReadWrite) uint32 ValueD : 1 ; }; A ...

TranslucentVolumeAmbient is darkened in InjectTranslucencyLightingVolume pass when using VSMs with r.Shadow.Virtual.ForceOnlyVirtualShadowMaps is Off

UE - Graphics Features - Shadows - Nov 18, 2024

CSM targets are still created and affect the InjectTranslucencyLightingVolume pass when moving in a project that only uses VSM causing over brightening of fog planes and other translucent meshes. r ...

The Add node does not update in the Construction Script

UE - Gameplay - Blueprint - Feb 28, 2015

The Add node does not update in the Construction Script. Reproduced in 4.7.1 binary and Main (//depot/UE4/Promotable-CL-2455917) ...

Widget With Spinbox Crashes When Destrcutor Is Called With Multithreaded Destruction Enabled

UE - Foundation - Core - UObject - Feb 28, 2020

When a widget with a spinbox is calls it's Destructor with "Multithreaded Destruction" enabled the engine crashes. I have tested in 4.23.1, 4.24.3, and 4.26 Main with "Multithreaded Destruction" dis ...

Setting an overlay's alpha to 0 does not display as fully transparent

Tools - Feb 19, 2020

Safe zone overlay ignores alpha when set to 0.0 in DefaultEngine.ini. Tested:  4.23.1 CL#9631420 , 4.25 CL#11341939 ...

The Ease function's Blend Exp reverts to its default value after closing/reopening the editor

UE - Gameplay - Blueprint - Jan 20, 2015

The Ease function's Blend Exp reverts to its default value after closing/reopening the editor. Reproduced in 4.6.1 binary and in Main (CL-2408355). ...

Packaging for Linux in a binary build should be disabled when not supported

UE - Platform - Linux - Jan 5, 2015

According to the user, if you install Linux toolchain, the binary build will allow you to package for it, and will not handle the failure gracefully ( https://forums.unrealengine.com/showthread.php? ...

r.ScreenPercentage.Editor does not function

UE - Graphics Features - Jun 2, 2016

Setting r.ScreenPercentage.Editor does not affect the upsampling/downsampling of the viewport in the editor. Regression: YES - the console command correctly adjusted the screen precentage in 4.11.2 ...

Setting custom world settings blueprint in project settings causes editor to crash on open

UE - Gameplay - Aug 19, 2015

If a blueprint based on a custom World Settings class is set in the project settings then the editor crashes on open ...