Unreal Engine Issues

[MetaSounds][Wave Player] - Looping sound waves is not sample accurate

When playing the two metronome sounds, it is expected that when the 1bar asset loops, it will stay in time with the 12 bar asset; however, instead phasing begins to occur. This does not occur when ...

Distant mesh / vista have visible Lumen bounces

Objects far outside of the Lumen Scene don't temporally accumulate screen traces, leading to heavy flickering. It appears that the temporal reprojection is failing when comparing the depth in "Scree ...

UV Offset Effect Material in RetainerBox Causes Visual Artifacts in Editor Preview

When a UV Offset is applied in a RetainerBox effect material, visual artifacts appear only in the editor — not at runtime — if a widget with a dotted preview outline (like CanvasPanel) is placed dir ...

Insufficient precision of Decode71 function

Encode71 and Decode71 in DeferredShadingCommon.ush are functions that convert 8-bit values ​​to 7-bit values ​​and mask values, and licensees have reported that the accuracy is insufficient when usi ...

Changing the value of a parent class variable does not update after hot reload

When the value of a variable defined in a parent class is changed inside of the child class, the value is not updated in a BP of the child after hot reloading. ...

Transforming inherited component in editor will crash

When a component inherited from code is transformed in any way with the viewport controls (arrows, rotation sphere, scale boxes) the editor will crash. Using the value boxes to set the transform do ...

Editor crash after attempting to create layer info in new landscape window

Attempting to create landscape layer info from within the new landscape creation window crashes the editor. Workaround: create the landscape, switch to paint mode, create layer info in paint mode w ...

When walking off of angled geometry the player pawn will fall off of the edge horizontally instead of falling

When walking off of angled geometry the player pawn will fall off of the edge horizontally instead of falling. Even with all possibly related values changed in the character defaults, the player wi ...

Fix SourceLength to be tangent to spot light axis

Nested component subobject visualization and defaults editing is not working properly.

Currently it is only partially possible to edit nested component subobjects, but not in a way that's consistent with how top-level component subobjects are edited (both Blueprints and IWCE). This is ...