Unreal Engine Issues

Travelling between two levels that share a sublevel will not update the positions of those actors in that sublevel

If you travel between two levels that both share the same sublevel then the actors within that shared sublevel will not update their positions regardless of their positions being saved at different ...

r.SSS.Checkerboard set to "2" loses saturation on subsurface profile shading model

UI Textures should stream

Will help mitigate memory consumption on certain UI elements. ...

Light does not affect landscape splines in raster pipeline (non-RT)

Grass does not show up when I override the Material of LandscapeComponent.

Regression checked in //UE4/Release-4.26.2 CL 15973114 the issue is not reproduced thee ...

[Dynamics Processor][Audio Bus Sidechain] - Audio Bus Sidechain doesn't function the second time a sound is triggered

Retriggering a sound using an Audio Bus as a sidechain on a Dynamics processor seems to not uses the sidechain. The sidechain will start working again if it's reset on the Dynamics Processor effect ...

DistanceFieldBentNormalAO does not appear to work with imposter UVs

I have not entirely ruled out any issues with the imposter material in the repro, there's a chance this is related to the normal rotations, but turning off distancefields entirely does fix the issue ...

Instanced subobject property values nested inside struct members are copied from default data at object initialization time, possibly leading to an EDL error at runtime.

When initializing struct members from default data at UObject initialization time, we are currently copying struct properties that contain instanced subobjects from the default data. This can potent ...

Renaming a SkinnedMeshComponent onto a different owning actor will cause issues with FAnimUpdateRateManager

As mentioned in the UDN - the user tried to rename an SMC to a different actor, which leaves the URO manager left with an incorrect data as it is not aware of the move. User proposed overriding Post ...

GPU Debug Label is not set on some textures

texture streaming is one of the reasons that drop the label but not the only reason. add a line of code RHIBindDebugLabelName(NewTexture, *OldTexture->GetName().ToString()); into FMetalDynamicRHI:: ...