Unreal Engine Issues

Material cannot be set in MaterialInterface of NiagaraParameterCollection

When MaterialInterface is added to UserParameter of NiagaraSystem, Material can be set in Properties. Also, in UE4main CL15988344, there is no MaterialInterface item in the NiagaraParameterCollecti ...

Placing WaterBody makes sub-levels that should have no effect dirty

This issue occurs when using the Landscape Streaming Proxy. ...

Image rendering is incorrect when RichTextBlock that displays an image is a child of Retainer Box

This issue occurs when using an image with RichTextBlockImageDecorator for RichTextBlock. This displays RichTextBox of RetainerBox and RichTextBox as it is. In the case of UMG Editor, the image is ...

Renaming a folder removes empty sub folders

When renaming a folder with empty folders inside of it, the empty folders are removed.   This issue is occurring in Perforce //UE5/Main @ CL 15655697 This issue is occurring in Perforce //UE4/Ma ...

Volumetric Translucent Shadow does not work

Blueprint processing is heavy in PIE since 4.26

As the attached image shows, there is no problem in 4.25.4, and the process is noticeably slower in 4.26.1. Also, there is no problem in Standalone. The problem occurs only in PIE. ...

Niagara Parameter Reference Counts do not include Renderer bindings

Renderer bindings aren't being accounted for in a parameter's reference count. ...

Second controller input doesn't work setting client mode on PIE.

When two controllers connected, player2 input is disabled in client mode in PIE. It worked correctly in 4.25, but it has been wrong since 4.26.  Digging into FSlateApplication::ProcessKeyDownEve ...

Nanite meshes' selection outline is off with temporal upsampling

Non nanite mesh have an outline that match lit geometry, but not nanite meshes. The plan is to enable temporal upsampling by default in 5.0, so this issue will become problematic [Link Removed ...

Quest: Web browser widget does not render

This DOES NOT work with ANDROID ES 3.1 This DOES work with ANDROID Vulkan So this SHOULD work with Quest Vulkan ...