Unreal Engine Issues

Decals are corrupted when VRS is enabled on some console platforms, and possibly PC

Blocky artifacts and flickering are sometimes visible when using VRS and decals. Setting r.VRS.Decals=0 removes the flickering. See Additional Info URL for details. ...

Crash during garbage collection when container UPROPERTIES specify raw interface pointer element types without TScriptInterface wrapper

When a UPROPERTY() TMap or TArray has raw interface pointers as element type, the garbage collector tries to handle them and crashes. For raw interface pointers without a container, UHT generates a ...

Material overrides not respected when generating HLODs.

When generating HLODs, it is possible for the generator to ignore material override settings. The generator will not respect the constants, and does not change them in the Material with a default se ...

Modify AVolume brush shape dirties level

Changing the brush shape of an AVolume external actor dirties the level. ...

FBX exporter does not support Level instances

Subsurface Scattering Checkerboard with SceneColourFormat 3 (High Scalability) leads to a visual artefact when temporal upscaling is in use

Primarily visible at very low internal resolutions (25-33%), the SSS checkerboard with an RGB scene colour format (r.SceneColorFormat 3) causes a double-image artefact both internally and on the sil ...

Crash when an empty Anim Composite is attached to a Mesh component of a BP actor in a Level Sequence

There is a crash that will occur when an empty Anim composite asset is being referenced in the Mesh component attached to a BP actor within a level sequence. Crash also occurs in Live 5.4.4 - not a ...

UTextureRenderTarget2D uses TC_Default for PF_R16F instead of TC_HalfFloat

When using "ConstructTexture2D" from a render target that uses the format PF_R16F (RTF_R16F) the output texture won't retain the format and will become a four channel float texture.  The texture for ...

Landscape height data gets cleared when working with partially loaded landscapes

Changing the Global Time Dilation to a very small value and returning it to a large value (by either using the slomo console command or directly in BP) makes Physics simulating ragdolls fly off into space.

Changing the Global Time Dilation to a very small value and returning it to a large value (by either using the slomo console command or directly in BP - slomo sets TimeDilation) makes Physics simula ...