Unreal Engine Issues

Height fog removed in split screen when player1 is facing the opposite direction.

Please see the UDN for a potential fix/workaround description. ...

Foliage white/background colour artefacts when in front of sky/atmosphere

GI bounces missing from static SkyLight.

Potentially missing lightmass path for skylight that needs to imitate the static directional light GI solution. ...

Volumetric Clouds do not affect Niagara particles or Translucent materials

Crash editor after editing property of TwoBoneIK node

Crashes after editing properties of TwoBoneIK node. If following the reproduction steps, the binding of NodePropertyDelegateHandle will not be removed, causing illegal access on the second editing. ...

abnormal planar reflection with niagara

repro step:create new projectdownload attached file and unzip to content folderopen the map "newmap" in "app" folderplay in editor and look at the plane (see video) [Link Removed] [Link Removed] ...

Ambient cubemap lighting is chunking and pixelized

I notice in 4.27 there's a change looks like where the issue is from " * Cubemaps generated from .hdr long-lat sources were being strongly blurred in cases when mipmaps were enabled. This happened ...

Play Dynamic Force Feedback does not work on Android

When trying to trigger vibration through the Play Dynamic Force Feedback node, nothing happens on Android. I tested this on Windows as well with an Xbox Series X controller connected, and the vibrat ...

Splitting a struct pin on a function node does not display tool tips on resulting struct member pins

Splitting a struct pin on a function node does not display tooltips for the resulting struct member pins.  upd. Regression was checked on //UE4/Release-4.26 CL 15973114, issue wasn't reproduced. Re ...

Ray traced GI denoiser blotches/artefacts

See licensee description of the issue for more info. Issue did not occur in 4.25. ...