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.

UE - Gameplay - Blueprint - Apr 26, 2017

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 ...

~FStaticMesh() can crash with race condition

UE - Graphics Features - Mar 21, 2017

UDN user reported frequent crashes in FStaticMesh::~FStaticMesh() on DrawListLinks[i]->Remove(false); Crash went away after adding critical sections to FStaticMesh::LinkDrawList(), FStaticMesh::Unl ...

SkeletalMeshSimulationComponent does not work

UE - Simulation - Physics - Oct 28, 2019

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

Linux crash on Import

UE - Platform - Linux - Jun 2, 2016

Attempting to import content into a project causes the editor to crash on Linux ...

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

UE - World Creation - Worldbuilding Tools - World Partition - Sep 12, 2023

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

App on Gear VR crashes when trying to join a listen server as a client

UE - Platform - XR - Dec 10, 2015

If the user tries to join a listen server with an app that is running on the Gear VR the App will stop working. ...

Third Person Character Package imports with linker errors

UE - Platform - XR - Oct 19, 2020

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 when unloading Lighting Scenario Streaming Level

UE - Graphics Features - Nov 16, 2016

If a sub-level is set as a Lighting Scenario in the Levels tab, calling Unload Stream Level will cause standalone / packaged games to crash. Regression: No - Lighting Scenario not available before ...

Crash After cutting and pasting a blend radius track in sequencer

UE - Anim - Sequencer - Oct 27, 2017

Crash After cutting and pasting a blend radius track in sequencer ...