Unreal Engine Issues
Unreal Engine Issues
Debug Console output remains on screen after closing VR Preview if "Debug in stereo layer' is enabled
UE - Platform - XR - Jan 23, 2018Affects VR Preview in Editor Reproduced in 4.18.3 CL 3832480 and 4.19 P1 CL 3837072 ...
Moving Objects with Surface Snapping Enabled Causes Major Offset
UE - LD & Modeling - Terrain - Landscape - Aug 16, 2019When using surface snapping objects do not move properly. 4.23 CL# 7948402, 4.24 CL# 8012457 This is a regression. ...
Crash When Enabling SSAO Smoothing with MSAA Enabled
UE - Graphics Features - Sep 12, 2019The Editor is crashing when enabling SSAO while MSAA is enabled. Found in 4.23 CL# 8386587 and 4.24 CL# 8569829 ...
Stationary directional light per-object shadows not working with origin rebasing
UE - Graphics Features - Dec 2, 2019Not 100% clear if this is a bug or expected behaviour, but raising it as it needs looking it. Can't see it as fixed elsewhere. Confirmed broken in 4.24 too. ...
Vive Trackpad X and Y always return 0
UE - Platform - XR - Feb 3, 2020Platform-specific input for pad axis in 4.24 leads to missing value in VIVE. in 4.23.1 this is not reproduced. ...
Camera grain fails to render on mobile previews and on devices.
UE - Platform - Mobile - Aug 11, 2020This was said to have been working in 4.24 Unsure currently when regression was If you use SM5 preview and play in mobile preview, it works as intended. ...
Interaction between sublevels and LevelSequences can break actors attachments hierarchy of the sublevel.
UE - World Creation - Worldbuilding Tools - Aug 6, 2025Having a LevelSequence opened and unhiding a sublevel can break the attachment hierarchy of the actors that are inside the sublevel. This also affects to the sublevel asset itself. ...
Android Crash on app launch if AdditionalPluginDirectories contains wildcards in path
UE - Platform - Mobile - Jun 23, 2017Having wildcards in the path for AdditionalPluginDirectories causes apps on Android to crash on launch. When testing this on iOS, the app did not crash but froze at the splash screen instead. Androi ...
Packaged ThirdPerson template with "start in vr" enabled packaged and launched with "-nohmd" crashes
UE - Platform - XR - Mar 31, 2021The callstack is not XR-specific, it's just the engine trying to secure the audio device on startup, windows failing to return one, and the app not being able to continue safely. The crash does not ...
Crash upon opening packaged game when Event Driven Loader is disabled
UE - Foundation - Core - Apr 26, 2019Packaged games are unable to open when Event Driven Loader is disabled. The error message given is: Assertion failed: !Linker->GetSerializeContext() [File:D:\Build\++UE4\Sync\Engine\Source\Runtime\C ...