Unreal Engine Issues

VR Preview Crash when using split screen

If the user tries to use split screen in the editor along with VR preview, the editor will crash ...

Error during packaging if nativizing a blueprint that contains a TMap with a UserDefinedEnum as a key

Certain Map container calls (e.g. Find, Add) will fail to compile at packaging time if a Blueprint class containing a Map variable with a user-defined enumeration as the key type is nativized. This ...

Crash adding subscene to a looped subscene - MovieSceneSequenceTransform.h - WarpCounts.Num() == NestedTransformsSize

Crash adding subscene to a looped subscene. Note this did not repro with brand new sequences not sure what's different about this older content. This also occurs in Release-5.0. ...

PN Tessellation and Grass Node Crash Engine

Landscape Materials which use the new Grass Output and have Tessellation turned to PNTriangles will crash the engine Also reproduced in Main Promotable-CL-2550487 & Releases/4.8/Promoted-CL-255045 ...

BP - Exclusive nativization will fail at cook time if an Actor BP class enabled for nativization includes a Component BP that's not enabled for nativization in its component list.

This happens because the Blueprinted component is not also enabled for nativization, but the nativized Actor BP tries to use it as a native class type. Current workaround: Ensure that the Blueprint ...

SkeletalMeshSimulationComponent does not work

SkeletalMeshSimulationComponent does not effect the simulation of geometry collections to interact with skeletal meshes and setting the component to dynamic results in a crash. ...

[CrashReport]Assertion failed: InitState == EWorldPartitionInitState::Uninitialized [File:D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\WorldPartition\WorldPartition.cpp] [Line: 1485]

Generated from CrashReporter Logs can be obtained via Crash Reporter ...

Third Person Character Package imports with linker errors

I was able to encounter these errors on the latest binary for 4.25.3 when doing a repro for a salesforce ticket. Here is the customers description:When importing the C++ ThirdPersonCharacter package ...

Crash with Skeletal Mesh + Capsule Shadows + Render Static

Crash when spawning actor with no viewport initialized

If an attempt to spawn an actor is made before the Level Editor Viewport is fully initialized (i.e. before it has had a chance to get rendered at least once), and that actor has no specific Factory ...