Unreal Engine Issues

Crash closing animation blueprint after compile

Crash occurs when the user closes an animation blueprint after compiling it. This does not occur in Main. ...

[XBox] -Switching to very high sample rate audio device on XBox causes crash

When switching to an audio device with an unsupportedly high sample rate on XBox, XAudio2System->CreateMasteringVoice will crash. Ideally, it would give a warning instead and swap to the null render ...

ARKit GetCurrentFrame crashes app

Using "GetCurrentFrame" crashes app. "The crash is due to the default constructor of FAppleARKitFrame being called by the above mentioned blueprint function. That constructor fails to initialize fi ...

[CrashReport] Crash on Linux - FShaderCompilingManager::LaunchWorker()

This is a common crash affecting users on Linux. No additional information is available. ...

LastEditedDocuments is grow-only and will accumulate null entries as graphs are created and destroyed

Mac - Content Browser menus are dismissed when using them while toasts are running

REGRESSION: Yes, this does not occur in 4.17.2 If the user is using any of the Content Browser menus while there's an active toast, the menu will suddenly be dismissed. It appears to get dismissed ...

MagicLeap Crash on Preview

The magic leap crashes on preview ...

In Shooter game if the menu is brought up via a controller and then exited via a controller then the mouse will lose focus (only in PIE)

UDN User reported that when they use a controller to bring up and exit out of the menu in shooter game that the mouse will lose focus. This only occurs in PIE. ...

BoneList and BoneFilterActionOption in LOD0 of LODSettings are displayed after editing other LOD level

BoneList and BoneFilterActionOption in LOD0 of LODSettings are filters by the following code. void FSkeletalMeshLODSettingsDetails::CustomizeDetails(IDetailLayoutBuilder& LayoutBuilder) { ... st ...

[CrashReport] Crash on Mac related to cooking for Android - libstdc++.6.dylib!std::_Rb_tree_rotate_left()

This is a common crash on Mac that has occurred since at least 4.12.5. It seems to occur during converting textures while cooking for Android. Callstack from LogLogCook:Display: Cooking /Engine/En ...