Unreal Engine Issues

Guid reference warnings when using the Take Recorde

When we record a Take from a level actor, a warning about referencing the same Guid inside LazyObjectPtr.h appears. The functionality of the LevelSequence works as expeced, but when the initial tak ...

Resave commandlet broken when using BuildEnvironment = TargetBuildEnvironment.Unique;

The explanation from the licensee seems pretty comprehensive. Text from the UDN: We've been trying to run fixupredirects via the resavepackages commandlet, but noticed that the OFPA assets were no ...

[AI] Navmesh shows in editor but does not get loaded in PIE

When using static or dynamic modifiers only navmesh, there are times that the navmesh will build and display correctly in editor, but it does not get properly loaded at runtime (PIE/SIE). The Recast ...

Cracks in Nanite Tesselated Landscape

Landscape component edges can become disconnected when using Nanite Tessellation at the edges of weight-blended layers. ...

Cached camera component on LevelSequencePlayer is null

Virtual Texture materials don't fully deduplicate generated virtual texture stacks

During material compilation we track unique individual virtual texture "stacks" and then create a virtual texture page table for each, along with unique bindings for each page table in the shader co ...

PackedLevelActors are not updated when changing some properties

Packed level actors may not be updated after changing certain properties. Workaround: reload the level containing the PLA. ...

Rect light artifacts from NaN pixels on surfaces that are coplanar with light position

Rect lights cause artifacts (nan pixels) on pixels of surfaces that are coplanar with light position.  In RectLight.ush, in RectIrradianceLambert, at line 106, c30 is -1, so rsqrt(0) causes a nan to ...

Renaming assets hits an ensure related to circular redirect

You will hit the ensure condition: LogOutputDevice: Error: Ensure condition failed: !SeenPaths.Contains(CurrentPath) in Engine\Source\Runtime\CoreUObject\Private\Misc\RedirectCollector.cpp] [Line ...

Crash when seamlessly travelling from World Partition map

Based on the licensee's report, the crash seems to be occurring due to the WorldDataLayers actor, and setting this actor to never be dormant seems to resolve the issue. ...