Unreal Engine Issues

Packaging for Android while using Online Framework and Online Subsystem Steam Plugins cause failure

When you try to package for Android while Online Framework Plugin and Online Subsystem Steam Plugin, the package fails with: error: undefined reference to 'HtoNL(unsigned int) ...

Crash Occurs While Running EQS Using Add Generated Vector Node

A crash is occurring when running a custom EQS generator that returns a Point and uses the Add Generated Vector node. This is a regression. No crash occurs with the same setup in 4.12.5. ...

Nativize Blueprint Assets causes build to fail if a function has an open input for a button reference

Nativize Blueprint Assets causes a build to fail if a function has an open input for a button reference. The open reference appears to cause the project to fail to build when using Nativize Blueprin ...

Some files in the Git repo have inconsistent line endings on Linux

Crash when using STOP button to exit PIE when removing a widget from viewport via Event Destruct

Editor crashes when removing a widget from the viewport via Event Destruct. This appears to happen when using the Stop button during PIE ...

Spawn Emitter at Location does not Simulate in BluePrint

When using the Spawn Emitter at Location node in BP the emitter will not spawn while simulating in BP. Other Spawn at location nodes behave the same way. The Cube actor was included as a test to eli ...

Dialog Subtitles randomly Disappear or Display out of Sync

Dialog Subtitles display out of order or disappear when called to the screen. The users reporting the issue believe this could be due to the priority of the Sound Waves conflicting with one another ...

[CrashReport] UE4Editor_CoreUObject!UObjectBaseUtility::GetOutermost() [uobjectbaseutility.cpp:118]

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. User DescriptionsSwitching levels, then when prompted to save current unsaved level, selecting ...

Crash On Hot Reload with Custom World Settings and HISM Class

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: IsValid() [Link ...

[CrashReport] UE4Editor_Landscape!FLandscapeEditDataInterface::SetAlphaData() [landscapeeditinterface.cpp:2617]

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 ( ...