Unreal Engine Issues

Updates to DesiredFocusWidget for a UserWidget are not propagated to existing instances of it inside the WidgetTree of other widgets

This issue has been reproduced in UE 5.3 to 5.7 and source versions. A repro project is available. Below are the findings from an initial investigation of the problem. Normally, when a UserWidget p ...

Crash removing a split parameter pin that is linked

Crash occurs if the user splits an Output Parameter on a function, then links one of the pins, and then removes the parameter entirely. I could not reproduce this in Main. ...

UDN: LICENSEE: Duplicated parameters in Material Parameter Collection are buggy

When you add a parameter by doing DUPLICATE of an existing one, the new settings don't take effect. (Adding parameters and other copy/pasting seems fine as far as I can tell) I verified this at EGJ ...

Lumen reflection distortion

Lumen reflections appear distorted depending on the camera orientation. ...

Niagara Parameter Collection doesn't work for Simulation Stage

In editor, custom primitive data dont work on instance static meshes in bp instance

Changes to custom primitive data properties for instanced meshes placed in the editor work in-game but are not otherwise reflected in-editor. ...

Flickering in Material Editor Preview when Absolute World Position node used

Creating a material with "Absolute World Position" node plugged into the "World Position Offset" input of the base Material node results in flickering in the preview window of the material editor. ...

Vertex Painting on Blueprint Static Mesh components lost on copy

After vertex painting on a Static Mesh component of a Blueprint, the Vertex paint data is lost when the Blueprint is copied. Oddly, pasting into a text editor shows VertexColorData, but it seems to ...

Crash if editing the key properties of a collapsed key that has only 1 channel keyed

[CrashReport] UnrealEditor-AppFramework!SColorPicker::HandleParentWindowClosed(TSharedRef<SWindow,1> const &) [SColorPicker.cpp:1530]

Generated from CrashReporter This is NOT a regression. Tested in //UE4/Release-4.27 at CL18319896 Tested in //UE5/Main at CL 22175708 - Issue did not occur ...