Unreal Engine Issues

CollisionEvent and other events during ChaosCaching do not occur

Live Coding doesn't auto-compile upon reopening a project

When creating a C++ class and compiling utilizing Live Code, upon creating a blueprint class utilizing that C++ class as it's parent and restarting the editor, the blueprint class loses it's parent ...

Asset localization does not work properly for Paper2D related assets such as Flipbook

This issue is resolved by changing Paper2D's LoadingPhase to PostConfigInit, but this is a workaround. We suggest a better long term fix via AssetRegistry changes (see comments). In the default la ...

Can't package project with custom engine plugin enabled.

[CrashReport]UnrealEditor-Bridge!void TSparseArray<TSetElement<TTuple<FString,AStaticMeshActor *> >,TSparseArrayAllocator<TSizedDefaultAllocator<32>,FDefaultBitArrayAllocator> >::Empty(int) [SparseArray.h:366]

Generated from CrashReporter Error Message: Assertion failed: IsValid() [File:D:\build\++UE5\Sync\LocalInstall\Engine\Source\Runtime\Core\Public\Templates\SharedPointer.h] [Line: 1008] ...

VertexInterpolators allocate unused params which generate extra shader ops

As a follow up on this: https://udn.unrealengine.com/s/question/0D54z00006yxUdXCAU/vertexinterpolators-problem VertexInterpolators are added to the HLSL code even if unused and you demand the HLSL ...

Editor lighting components not displaying correctly with diffuse off with lumen enabled

Licensee note: "I haven’t tested with Ray tracing. I currently have lumen enable and it’s occurring there." ...

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

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

UTextBlock::SetText doesn't work in global invalidation

This happens on consoles running in 4k so DPIScale would be 2x. The character between lines is just a newline (Shift + Enter in the text field in editor), the text is set with SetText, possibly a f ...

Alembic Caches Not Working With Lumen

It appears that Alembic caches do not influence Lumen's indirect lighting (except for shadowing). Alembic geometry caches should influence lighting in Lumen as any other geometry in a level. I hav ...