Ensure occurs if the decal scale is set to a very small value

UE - Graphics Features - Jun 15, 2022

The variable emitting this ensure (RelativeWorldToDecalMatrix) is not actually used, so this line can be removed. FDeferredDecalPS::SetParameters ... const FLargeWorldRenderPosition AbsoluteOri ...

AI Perception UnregisterSource Sense == nullptr does not affect pending adds

UE - AI - Perception - Jun 15, 2022

UAIPerceptionSystem::UnregisterSource according to its documentation should treat Sense == null as targeting all sources, but the code for removing pending sources does not treat Sense == null as th ...

HLOD build fails depending on the value of Loading Range in the World Settings

UE - World Creation - Worldbuilding Tools - HLOD - Jun 14, 2022

HLOD actors are generated on the outliner, but no geometry is generated. An error occurs in the output log. ...

Instanced Impostors Render Black in UE5 editor

UE - Graphics Features - Jun 13, 2022

Crash while using Geometry Scripting to add an Array of Vector 2D data to 'Append Buffers to Mesh' node UV0 input pin

UE - LD & Modeling - Modeling Tools - Jun 13, 2022

Geometry Scripting plugin isn't available for 4.27.2, and the behavior is the same 5.0.1. Crash while using Geometry Scripting to add an Array of Vector 2D data to 'Append Buffers to Mesh' node UV0 ...

BinaryConfig cannot be created in packaging if there is a space in the file path name.

UE - Foundation - Cpp Tools - Automation Tool - Jun 13, 2022

Error log is output when including spaces when packaging binary configurations. The following log contains the string "Test Test" with spaces in the file path. ERROR: Failed to copy D:\Projects\Te ...

Sibling subsequences interfere with each other if they have different hierarchical biases

UE - Anim - Sequencer - Jun 10, 2022

It seems we are trying to factor for the other transform track, but it will not be applied due to the biases. ...

Push based, COND_InitialOnly property can fail to be replicated when actor becomes relevant again

UE - Networking - Jun 9, 2022

COND_InitialOnly properties can be resent when an actor becomes relevant to a client again. However, if the property is push based and it was never replicated the first time the actor was created on ...

Replicated subobject won't be recorded in replay checkpoints if it has no replicated properties

UE - Networking - Jun 8, 2022

Because the subobject's RepLayout is empty, it won't write anything to the bunch when recording a replay checkpoint. This means that when scrubbing to a time past a checkpoint, the destroyed subobje ...

GPU Lightmass ignores IES Profiles on Static Lights while building lighting

UE - Graphics Features - Jun 8, 2022

This is a regression tested in //UE4/Release-4.27 CL#18319896 GPU Lightmass ignores IES Profiles on Static Lights while building lighting. Tested with different Global Illumination and Reflection s ...