BP nativization can generate an invalid path including "__TEMP_BP__"

UE - Gameplay - Blueprint Compiler - Aug 27, 2018

The licensee sent us a BP that can't be nativized correctly on UDN. The nativized BP has wrong paths and causes a crash. ...

[CrashReport] UE4Editor-CoreUObject!FPropertyProxyArchive::operator<<(FField * &) [PropertyProxyArchive.h:45]

UE - Foundation - Cpp Tools - Hot Reload - May 8, 2020

Generated from CrashReporter Error message - Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address [different address per crash] ...

Interchange: racing condition when InterchangeWorker.exe is not built

UE - Editor - Content Pipeline - Import and Export - Jan 30, 2023

Creating/Destroying UWorlds rapidly can cause dangling pointers from UAutoDestroySubsystem

UE - Gameplay - Aug 10, 2020

To summarize what I'm seeing there, a bunch of UObjects relating to that world have been destroyed but not all destructed. The UAutoDestroySubsystem pointer is still on the static tickable list, and ...

Shadows disappear on assets with baked matrix animations

UE - Gameplay - Oct 21, 2016

After importing an asset with baked matrix animations, using the alembic importer, the shadow disappears as the asset pans to the left and the right. ...

Game does not exit when exited through SteamVR UI

UE - Platform - XR - Oct 13, 2016

Previously the game would crash (see: [Link Removed]), but the fix now keeps the game running without VR instead. ...

[CrashReport] GPU Hang on Linux - /usr/lib/nvidia-381/libGLX_nvidia.so.0

UE - Platform - Linux - Aug 16, 2017

This is a trending GPU hang crash on Linux in 4.16 and 4.17. It is similar to [Link Removed] (nvidia-375) ...

[CrashReport] UE4Editor_UnrealEd!FAssetEditorManager::OpenEditorForAsset() [asseteditormanager.cpp:293]

Tools - Jan 5, 2018

Comment from user:In UE4 standard Mannequin, swapped between skeleton tab and animation tab (after having deleted a single animation) - and it crashed. ...

Importing through Python doesn't allow the user to set the import options.

UE - Editor - Content Pipeline - Import and Export - Mar 29, 2019

The attached script should import the provided Alembic cache but the import options specified in the script are not passed to the importer resulting in improper data. ...

Cannot copy from the message log when building with Clang

UE - Editor - Workflow Systems - Jan 8, 2024

This was disabled for clang a long time ago in CL 3019423 due to a codegen crash but seems like the bug is fixed now ...