Unreal Engine Issues

Visual helpers checkbox is not working.

Works fine in 2023.1 ...

XR -ARKit - Tracked Planes are not attached to the real world objects when moving the camera around

When the user attempts to place an object on a tracked plane it slides around the environment not staying in the expected place. Using the ARDebugcheck project with the show planes option you can se ...

Static lighting crash on 5.4 when using landscape with WPO

When static lighting is built for a landscape with "Use Material Position Offset in Static Lighting" enabled it causes an editor crash. Licensee mentioned it was likely caused by a commit for 5.4, C ...

Nanite Landscape in World Partition level has inconsistent Painted Layers

It appears that painted Weightmaps have inconsistent mappings between Nanite and regular landscape, BUT only if those landscapes are created in a World Partition level, landscape in regular levels d ...

Slate Post Buffer does not work correctly when changing Default Back Buffer Pixel Format

Local fog volume rotation causes offset issues at high world position values

Local fog volumes have a substantial offset when placed at a far distance from world origin and is then rotated. This was not the case in 5.3 when tested under the same conditions, so this is likely ...

In BP/Python Editor Utilities, function SetEditorProperty() unexpectedly fails for Actor Reference Properties on External Actors.

As part of the Python and Editor Scripting Tools, it is possible to programmatically set variables in actor instances of the current level just like when using the Details Panel in the Level Editor. ...

Lumen screen traces from hair cast noising moving shadows on faces

There is moving blotchy noise on the head and face from hair when Lumen HZB tracing hits hair.  CL 33258050 fixes the noise in the hair, but tracing still hits hair when it starts from surfaces like ...

FDeferredDecalProxy cannot be initialized to not fade even if FadeDuration is set to 0

FDeferredDecalProxy always fade because InitializeFadingParameters is always called and leaves InvFadeDuration at 1.0 and the LifetimeAlpha calculation in FDeferredDecalPS::SetParameters gets a very ...

FFragmentTypeParameters is missing a default initialiser for FFragmentTypeParameters::Flags

FFragmentTypeParameters misses a default initialiser for FFragmentTypeParameters::Flags. This can lead to Flags being left in an undefined state, which can ultimately cause non-determinism during th ...