PNG file import does not read R values correctly

UE - Texture - Aug 22, 2022

Looking at each value of the texture, it seems that the import of the R value is incorrect. PNG:[Link Removed] TGA:[Link Removed] ...

Motion Matching - PoseSearchDatabaseAsyncCacheTask::CreateKey is nondeterministic

UE - Anim - Gameplay - Aug 19, 2022

This is caused by use of MakeMemoryView on arrays of structures in PoseSearchFeatureChannels.cpp. Need a proper serialization path for hash key gen here. ...

CompileAllBlueprints crashing on blueprint function with a delegate input.

UE - Gameplay - Blueprint Compiler - Aug 19, 2022

In some scenarios, FPropertyDelegate::SignatureFunction can point to freed memory after a garbage collection run. This appears to be more common when running the CompileAllBlueprints commandlet. ...

Gameplay ability blueprints cannot be debugged in multiplayer

UE - Gameplay - Gameplay Ability System - Aug 19, 2022

The object filter in the blueprint debugger can be used to filter breakpoints to a specific instance of an object. This is important for multiplayer because there will be multiple versions of the sa ...

Material fails to compile when virtual texture is connected to opacity mask only through Set/Get Material Attributes

UE - Rendering - Architecture - Aug 19, 2022

If we connect a virtual texture to the opacity mask output of a material the material will fail to compile. This is expected. However if the opacity mask uses a regular texture connected via SetMat ...

Spectral Analysis Delegates Do Not Behave As Expected If 3 Or More Are Attached To The Same Submix

UE - Audio - Submixes - Aug 19, 2022

When attaching 3 or more Spectral Analysis Delegates to the same Submix, some delegates start returning only zero values. If this is a known limitation of Spectral Analysis Delegates, we should prob ...

Crash occurs while replacing a Widget Component with a user created Text Block

UE - Editor - UI Systems - UMG - Aug 18, 2022

This is not a regression. Tested in //UE4/Release-4.27 CL18319896. The crash occurred. Crash occurs while replacing a Widget Component with a user created Text Block blueprint. ...

Text to Speech does not work in Play in Editor

UE - Audio - Aug 18, 2022

This is not a regression as the TTS plugin isn't available in 4.27.2. Text to Speech does not work in Play in Editor, but does work in Stand Alone. A warning is thrown:LogSlateStyle: Warning: Unab ...

Crash occurs when duplicating a State Machine in the My Blueprint panel within an Animation blueprint

UE - Anim - Runtime - Anim Blueprints - Aug 17, 2022

This is not a regression. Tested in //UE4/Release-4.27 CL18319896 Crash occurs when duplicating a State Machine in the My Blueprint panel within an Animation blueprint. ...