Unreal Engine Issues

IsRunningGame( ) is false on iOS when running on device

When running project on iOS Devices, IsRunningGame( ) in CoreMisc.h returns false. ...

Sequence onStop does not appear to fire off in a packaged project

Sequence onStop does not appear to fire off in a packaged project. The functionality appears to be present in the editor, however this does not appear to be the case after packaging. ...

Projects are failing when Content/Pak folders are added outside of the saved folder

When the Content/Pak file is outside of the Saved Folder, it'll crash with an internationalization error. But when the Content/Pak file is inside of the Saved folder, there is not a crash. ...

Instanced Stereo enabled makes Material Billboard Components only Rendering in One Eye for Vive

Material Billboard components are only rendering in one eye with the 'Instanced Stereo' setting enabled in the Project Settings > Rendering menu. If instanced stereo is disabled, it renders as expe ...

Attempting to export sequencer camera causes editor to crash on Linux

Trying to export a sequence camera on Linux causes the editor to crash. This does not occur on Windows. EDIT: Crash seems to occur when focus leaves the FileName field. ...

Crash on exit PIE when playing with more than one player on Linux

When playing in non-single player game in the editor (either set # players or check dedicated server checkbox), the editor will crash when the play session ends. Regression: Yes - editor does not c ...

Attempting to generate project files on Linux fails if project path has spaces

If the project's file path contains a space, attempting to generate project files fails because the file path does not preserve quotes. UnrealBuildTool Exception: ERROR: Directory '/home/doug/Docu ...

Fbx importer create unused material

Crash when opening the viewport tab of an actor containing a widget component with "Draw at Desired Size" set to true

Crash when opening the viewport tab of an actor containing a widget component with "Draw at Desired Size" set to true ...

Lightmap Coordinate Index is not automatically set to 1 on import any longer with lightmap UV

When importing a static mesh with a second UV channel setup for the lightmap the second UV is no longer being automatically assigned as the lightmap coordinate index. In 4.12 the second UV detected ...