BlendOutTime setting doesn't work when unlinking multiple anim layers

UE - Anim - Gameplay - Apr 27, 2022

When we unlink the layer, we call UAnimInstance::PerformLinkedLayerOverlayOperation In that function, ClassToSet is null, so we loop over the layer nodes and call SetLinkedLayerInstance(this, nullp ...

TArray64 RangeCheck prints the incorrect error messages for values over 32-bit length

UE - Foundation - Core - Apr 27, 2022

TArray64 RangeCheck prints the incorrect error messages for values over 32 bit. Repro Rate: 4/4 Tested this in //UE4/Release-4.27 @ CL#18319896 and the issue did occur there, it is not a regressi ...

Unable to multiple a Vector2D with a float in Blueprints

UE - Gameplay - Blueprint - Apr 27, 2022

Reported by licensee: [Link Removed] In UE4, we used Multiply_Vector2DFloat as the underlying function for this operation. In UE5, we're relying on promotable operators to the work. However, that o ...

Cook fails when a MetaSound Source object is referenced utilizing FObjectFinder in C++

UE - Audio - MetaSounds - Apr 27, 2022

Android Cook fails when a MetaSound Source object is referenced utilizing FObjectFinder in C++ Repro Rate: 3/3 UATHelper: Cooking (Android (ASTC)): LogInit: Display: LogMetaSound: Error: Target int ...

Material expression called Compiler->TextureParameter() without implementing UMaterialExpression::GetReferencedTexture properly

UE - Rendering - Materials - Apr 27, 2022

when trying to replace a Material Function instance, with another instance, as the base color of a material within the Material Graph, the editor crashes with the following error:Assertion failed: ...

Differences in DistanceToNearestSurface and DistanceFieldGradient results between 4.27 and 5.0

UE - Rendering - Apr 27, 2022

In the UE5 case, we end up seeing very harsh lines in both the gradient and the distance to nearest surface examples whereas the results in 4.27 appear smooth.  It was also interesting to observe c ...

The console command bugscreenshot doesn't work correctly in stand alone or packaged games

UE - Rendering - Apr 26, 2022

The console command bugscreenshot doesn't work correctly in stand alone or packaged games. It screenshots the UI and leaves the rest transparent. This is different behavior from PIE, New PIE, or jus ...

Moving a water body causes engine to drop fps and spike ms

UE - LD & Art - Modeling Tools - Water - Apr 26, 2022

Moving a water body lowers performance on the engine. The fps drop from 120 to 30 and ms spike from 8 to 30. This issue occurs in 5.0 Binary and 4.27 Binary on Windows. On Mac, FPS drop and ms spike ...