Specific Blend Mode of Material on UMG render incorrectly when HDR is enabled

UE - Graphics Features - Jan 27, 2022

This issue occurs with the Additive and Alpha Holdout settings. ...

FScriptMapHelper::HasKey() and FScriptSetHelper::HasElement() fail on new keys with a substring of another key

UE - Editor - Workflow Systems - Jan 27, 2022

Duplicate key checking in maps and sets in the editor is done via calls to FScriptMapHelper::HasKey() and FScriptSetHelper::HasElement(), but this code is checking for object names which are subsets ...

Static lights turn off after building lighting

UE - Graphics Features - Jan 27, 2022

Lights set to static will disappear after building lighting. This is not a regression due to it occurring in 5.0 Early Access. ...

Destructing NiagaraParameterStores causes multi threading write conflict

UE - Niagara - Jan 26, 2022

FNiagaraParameterStore::UnbindAll() may be called from both GameThread and RenderingThread. Each may modify the same Binding array, it causes infrequent crashes. In my environment, I was able to r ...

Crash when loading array of UStructs containing Instanced property

UE - Gameplay - Blueprint - Jan 26, 2022

The editor crashes with a failed assertion when opening a blueprint actor that contains a structure with instanced objects. ...

Touch position return wrong value if the orientation of the terminal is changed after startup

UE - Platform - Mobile - Jan 26, 2022

Touch position return wrong data on Pixel 6 and Android 12. it does not occur unless the device is rotated from the initial state. As far as I investigate, the touch position only return data from ...

Event Track option is missing from the +Track within the Actor Sequencer Component's options

UE - Anim - Sequencer - Jan 25, 2022

This a regression Event Track option is missing from the +Track within the Actor Sequencer Component's options. ...

Unnamespaced UnrealMathUtility.h macros clash with other headers

UE - Foundation - Core - Jan 25, 2022

Reported here: [Link Removed] > See this commit: > > https://github.com/EpicGames/UnrealEngine/commit/acd754e12dc9a7ffc7f173c8433a6bafc0262b51#diff-b18d4f9b879748fdacff2caa885b231e8c9e0b899d90d5d ...

When rendering a distant view, GI and reflections disappear after a certain distance.

UE - Graphics Features - Jan 25, 2022

A similar problem can be seen with Virtual Shadow Map. It switches to a distinct shadow after a certain distance. ...

Cannot change blend mode from material instance

UE - Rendering Architecture - Materials - Jan 25, 2022

When change the shading model, can also change the blend mode. ...