Mac ShooterGame crashes when loading into the match with Pak files

UE - Platform - Apple - Feb 15, 2017

ShooterGame crashes when loading into the match on Mac when that ShooterGame was packaged with Pak files. The ShooterGame project was created using the Unreal Engine Launcher I do not see this is ...

Precomputed Visibility incorrectly Culling Objects in Scene when Opening different Level

UE - Graphics Features - Jun 28, 2017

Objects in a scene are randomly culled when building a level with Precomputed Visibility enabled, and opening another level that has already pre-built precomputed visibility. A couple of things wor ...

Huawei P9 Plus screenshots capture black

UE - Platform - Mobile - Jul 18, 2017

OBSERVED RESULT: UE4 captures an all black screen EXPECTED RESULT: Game window should be captured with any debug information that is being printed to the screen WORKAROUND: None IMPACT: Blocks S ...

Foliage Not Updating to Match New Landscape Height After Level Save-As

UE - World Creation - Worldbuilding Tools - Foliage - May 3, 2018

I have observed this behavior in 4.18.3, 4.19.2, and Main (CL 4048405) Per User: I made a landscape, painted some foliage and saved the scene. After I saved the same scene under different name the ...

Procecdural Mesh Components without a material assigned crashes on conversion to Static Mesh

UE - Graphics Features - Aug 6, 2019

This bug doesn't occur in 4.21. The issue is at line 157 in ProceduralMeshComponentDetails.cpp . When the procedural mesh has a material the crash doesn't occur. File location: Runtime/ProceduralMe ...

[CrashReport] UE4Editor-Core!UnhandledException(_EXCEPTION_POINTERS *) [WindowsPlatformCrashContext.cpp:1457]

UE - Foundation - Core - Jun 5, 2020

Generated from CrashReporter ErrorMessage: 64 (82%) Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0xffffffff 7 (8%) Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading add ...

Pawn's role is incorrect in BeginPlay on client if a multicast RPC is called in BeginPlay on server

UE - Networking - Jun 6, 2022

It seems as though calling a multicast RPC during BeginPlay on the server will cause the new actor to finish spawning on the client before applying any initial replicated data, such as the actor's R ...

SKP Import - Materials for certain groups appear black in Path Tracer when using Keep Hierarchy

TM - Interoperability - Mar 3, 2025

Reported by a client in SF [Link Removed] When importing SKP files using the Keep Hierarchy collapse mode, some imported objects in Groups inside SketchUp will appear black in Path Tracer. Appears ...

BSOD when launching Twinmotion on NVIDIA 50-series GPUs with 576.02 Drivers

TM - Rendering - Apr 22, 2025

Reported from multiple users. NVIDIA RTX 50-series GPU users are reporting BSODs when attempting to launch Twinmotion with the latest drivers installed. The crashes occur on the 576.02 driver versi ...

"Split Struct Pin" breaks functionality of Transform Bone node

OLD - Anim - Jun 22, 2015

Using the "Split Struct Pin" right click option on the rotation pin breaks the functionality of the Transform Bone node in Animation Blueprints NOTE: I noticed the Roll/Pitch/Yaw are in a differen ...