Unreal Engine Issues

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 ...

UI Textures should stream

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

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 ...

Backcompat: ConstructObjectFromClass node no longer accepts "Outer" input types that are not also derived from self

The ConstructObjectFromClass node no longer allows connections to the "Outer" input pin that are not of a type that's derived from the current Blueprint class (self). Previously, users could connec ...

Android does not show camera when in ARDebugCheck project

While working in the //UE5/Main - Medium Priority - Platform Sanity Pass after being packaged and then uploaded onto supported android device, the screen just shows a black background as it is not p ...

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.