bIgnoreAllPressedKeysUntilRelease only applies to keys in the previous mapping

UE - Gameplay - Input - Jun 16, 2022

This is because the RebuildControlMappings function only checks this flag when you have a mapping that was already added, we should apply this for any new mappings as well.  I'll update the repro s ...

TSlateMaterialShaderPSDefault cast error when opening Platform Stats in Lyra's M_UI_Base_BordersAndButtons Material

UE - Rendering - Materials - Jun 16, 2022

Licensee has provided a potential fix, please see the UDN link. Callstack attached utilised -onethread ...

Fatal Error when setting S RGB to true on a Texture 2D from a Render Target Create Static Texture Editor Only node

UE - Texture - Jun 6, 2022

This is a regression. Tested in //UE4/Release-4.27 CL#18319896 Fatal Error when setting S RGB to true on a Texture 2D from a Render Target Create Static Texture Editor Only node. ...

Duplicate subobjects when you attach to an OptionalDefaultSubobject

UE - Gameplay - Components - Jun 3, 2022

I believe that this is happening because of a problem within USubobjectDataSubsystem::FindOrCreateAttachParentForComponent where it is creating duplicates of the character mesh because the "TestScen ...

USDStage - USD Material Overrides not reading

UE - Editor - Datasmith - USD - May 31, 2022

USD material overrides do not get applied properly to a USDStage prim inside UE.     When a material override that is set to a parent prim of USD Material, the override is ignored.   A usd material ...

[MetaSounds] - Changing an Input to Modulation Parameter crashes editor due to module load order

UE - Audio - MetaSounds - May 27, 2022

Setting an Input type on Modulation Parameter crashes the editor with:Assertion failed: Pair != nullptr [File:E:\SMoyls_UE5_Release-5.0\Engine\Source\Runtime\Core\Public\Containers\Map.h] [Line: 643 ...

Engine crashes when building GPU Lightmass in large scenes

UE - Rendering - May 12, 2022

Engine crashes when building GPU lightmass in larger scenes. This does not occur on smaller maps like the Unreal Engine Templates. I was able to reproduce this issue in CitySamples SmallCity map. T ...

Screen Space Reflections have a visible lag on opaque materials compared to transparent/additive materials.

UE - Rendering - May 10, 2022

Screen Space Reflections have a visible lag on opaque materials compared to transparent/additive materials. See [Link Removed] ...

USDStage - Issues importing USD prims with single time-sampled attributes

UE - Editor - Datasmith - USD - May 10, 2022

There may be an issue with USD prims with time-sampled attributes - or at least an issue of user expectations.    When importing from a USDStageActor into Unreal, via the USDStage GUI, if prims hav ...