Unreal Engine Issues

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. ...

Inconsistent Z sorting priority with decals

"DynamicMaterialParameter1" in Dynamic Material Parameters module is initialized with "DynamicMaterialParameter0".

If you use a transparent Material for one of the multiple materials, it will always show up in the raytraced reflection.

The process may not return to the root node after the Wait Task is completed.

If the Wait Task is completed for the first frame, it may not return to the root node even after Finish. This can be avoided by increasing the wait time of the Wait Task (see CaseOK.mp4). When this ...