Retainer Box does not propagate Visibility settings to children

UE - Editor - UI Systems - UMG - Aug 22, 2022

This is not a regression. Tested in //UE4/Release-4.27 CL18319896 Retainer Box does not propagate Visibility settings to children. Setting Canvas visibility to 'Not Hit-Testable (Self & All Childre ...

[AI] Moving a SmartObject actor in a level does not update the location of its Slot in the SmartObjectCollection

UE - AI - SmartObject - Aug 22, 2022

Moving a SmartObject inside of the level shows that the slot debug view is moved along with the SmartObject, but when PIEing the AI react as if it has not been moved/rotated. You must click Rebuild ...

[AI] Pawns loaded from a Data Layer do not auto-register as sources with the Perception System.

UE - AI - Perception - Aug 22, 2022

A licensee has reported that Pawns that are loaded via a runtime Data Layer are unable to be perceived automatically by Pawns that are not part of a runtime data layer. However, data layer Pawns can ...

MaterialInstanceConstant doesn't refresh soft references of non-overridden texture parameter

UE - Rendering - Aug 22, 2022

Observed by a licensee: [Link Removed] When a material instance points to a material, and the material is edited to change a texture and the material and material instance are saved, the material i ...

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. ...

Selection of foliage instances broken with nanite

UE - Rendering - Nanite - Aug 19, 2022

The selection of individual instances of a foliage HISM is broken, so that the instance is correctly outlined but the gizmo is placed over a different instance. If we delete the selected instance it ...

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 ...