CachedMaxDrawDistance value are not updated by CullDistanceVolume in persistent Level

UE - World Creation - Worldbuilding Tools - World Composition - Dec 16, 2022

in PIE, RerunConstructionScript() is executed and actor's CachedMaxDrawDistance is updated as expected. in packaged game, RerunConstructionScript() is not executed  so, CullDistanceVolume is not u ...

Data Layers Outliner does not remember selections on editor restart

UE - World Creation - Worldbuilding Tools - World Partition - Jan 9, 2023

Regression: Tested in UE5/Release-5.0, this issue occurs so this is not a regression. ...

Index of Texture Cube Array cannot be specified with VisualizeTexture on D3D11

UE - Rendering Architecture - RHI - Feb 8, 2023

Licensees have reported that they always see Index 0 for Texture Cube Arrays. Looking at the RenderDoc, Index1 has a white texture but it's not actually visible.[Image Removed] ...

BlackboardComponent observer can be called for the wrong key

UE - AI - BehaviorTree - Feb 7, 2023

We need to, at least, prevent this by clearing observers when running a new BT using a different blackboard. Must also think that this might affect licensees relying on the current behavior (might h ...

[AI] Destroying an actor while using pooled actors with MassActorSpawnerSubsystem causes a nullptr exception crash

UE - AI - Mass - Mar 19, 2023

If an actor that is used in the pooled actor list of UMassActorSpawnerSubsystem is destroyed, it causes a nullptr exception in UMassActorSpawnerSubsystem::SpawnOrRetrieveFromPool. The subsystem atte ...

UnkownRef Mips can cause TextureStreaming peaks during loading

UE - Graphics Features - Mar 27, 2023

UnkownRef Mips is meant to fix/workaround the problem where some textures are used for rendering but they don't have any component references them (such as texture used by PP effects) These UnkownR ...

Lumen tile classification flicker

UE - Graphics Features - Lumen - Apr 19, 2023

While we suggest using screenpercentage at 25%, it is visible at higher percentages. Video showing the flickering:https://udn.unrealengine.com/s/contentdocument/0694z00000Qw4jPAAR ...

iOS ReplayKit isn't working in UE5.1+

UE - Platform - Apple - Apr 21, 2023

In 4.27 & 5.0 when you press the in-app screen recorder button it would pop-up a msg about the user giving permission to allow the screen recording and then would start the recorder and save the mov ...

AutoCreateRefTerm UFUNCTION meta specified can interfere with function default arguments

UE - Gameplay - Blueprint Editor - May 25, 2023

Example function provided by the user:.h UFUNCTION(BlueprintCallable, meta = (AutoCreateRefTerm = "TestInt,TestName")) static void TestAutoRefs(const int32& TestInt = 2, const FName& TestName = ...

Visual Noise on Thin Translucent materials with a Directional Light

UE - Graphics Features - May 30, 2023

Regression in testing This occurs with hardware and software ray tracing, as well as moveable and static lights This occurs regardless of anti aliasing. This was tested with DX12 ...