Unreal Engine Issues

Landscape is missing its material when running a packaged project on Linux arm 64

From licensee: The project contains a small flat terrain with a basic material attached to it - just a single texture sampler connected to the base color output. Also in the project is a skeletal m ...

GoogleTest module is implicitly linked in Win64 Shipping runtime through RigLogic.uplugin

[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] ...

Hardware Raytracing on Lumen can cause a crash on AMD Radeon GPUs

Hardware Raytracing support can cause a crash on AMD Radeon GPUs when creating the RT pipeline state. ...

On NM_Client, GameplayDebugger defaults to green smiley for NPCs implying running BehaviorTree while AI info is unknown

Context GameplayDebugger (Press ` in-game) displays a green smiley (AICON-Green) for AIControlled pawns that are running a BehaviorTree and a red angry face (AICON-Red) otherwise. If the AIControll ...

Crash when displaying lumencards on map with many objects

There is a thread conflict between FRDGBuilder execution in Background Worker and LumenVisualizer's LumenCard add/delete process. When lumen cards are displayed in a scene with many objects, a crash ...

Static Mesh Only enabled Foliage Actor causes serialization error in packaged game

The crash can be worked around by modifying FFoliageISMActor::Serialize as following code : void FFoliageISMActor::Serialize(FArchive& Ar) { #if WITH_EDITORONLY_DATA     if (!Ar.IsCooking()) // ...

WP crash entering PIE when unsaved non-editor actors are referenced through a editor-only property

From licensee: A simple example is setup in the project, the relevant part is just this code: UCLASS(meta = (BlueprintSpawnableComponent)) class TESTBUGEDITORONLYEDITOR_API UEditorOnlyComponent : ...

In -game in Editor, if streaming-in a LevelInstance and initialize its world partition, then leaving that cell and make it go outside the streaming grid, to re-enter it again, will trigger a check(!StreamingPolicy) if no GC has happened during that time.

This crash can be fixed by adding a couple of || IsRunningGame() like it is done here:    FGenerateStreamingContext Context = FGenerateStreamingContext()        .SetLevelPackagesToGenerate((bIsPIE ...

Browsing to a "Packaged Level Actor" does not take to the PackagedLevelActor inside the Content Browser.

There is a bug inside Unreal Editor when selecting "Browse to Asset" for a Packed Level Actor. Right clicking the Packed Level Actor, all the asset options appear. If you click the "Browse to Asse ...