The Preferred Accessor setting in the Editor Preferences window only sets the setting for the current project instead of all projects using that Editor

Tools - Apr 24, 2017

Selecting Visual Studio 2017 as the preferred Source Code Editor in the Editor Preferences window only sets that preference for the current project, instead of making it a setting for any project us ...

Returning the value of a Transform as a String has a missing colon after Scale

UE - Gameplay - Sep 26, 2022

This is NOT a regression. Tested In //UE4/Release-4.27 at CL18319896 Printing an actor's transform as a string returns transform and rotation with a colon, but returns scale without. ...

SteamVRAssetManager color format mismatch

UE - Platform - XR - May 23, 2018

User requests that TSF_BGRA8 in SteamVRAssetManager.cpp be changed to TSF_RGBA8 to match OpenVR API https://github.com/ValveSoftware/openvr/wiki/IVRRenderModels::LoadRenderModel SteamVRAssetManage ...

Unable to Import Alembic Files in UE4

UE - Editor - Content Pipeline - Import and Export - Feb 25, 2020

We have written a plugin for UE4 that allows Unreal users to import and set up Megascans assets into Unreal Engine. Recently we added Alembic files to our assets and also updated all our plugins to ...

Recent Projects Missing Moved Projects After Browsing

UE - Editor - Nov 15, 2022

When an existing project is opened from a location where it hasn't been created on that machine, the Editor is unable to parse the project's location properly and fails to show it in the Project Bro ...

GLTFExporter indexing issue

UE - Editor - Content Pipeline - glTF - May 29, 2025

Hi, I also ran into an issue when exporting a skeletal mesh that has multiple sections that all share the same material slot. It looks like the index buffer that's constructed is incorrect. In GLTF ...

Incorrect UV coordinates when visualizing mesh painting texutre on Nanite splines

UE - Rendering - Graphics Features - Jun 30, 2025

The UV coordinates for visualizing the mesh painting texture on Nanite spline meshes are not working correctly. This runs the code in the NANITE_VISUALIZE_MESH_PAINT_TEXTURE section in NaniteVisuali ...

Changing between multiple Streams that are contained within an array does not work

UE - Gameplay - Blueprint - Mar 20, 2015

Changing between multiple Streams that are contained within an array does not work. ...

Procedural mesh loses collision when the "Add Procedural Mesh Component" node is copy&pasted (BodySetup is marked Instanced)

UE - Gameplay - Blueprint - May 15, 2017

Procedural mesh loses collision when the "Add Procedural Mesh Component" node is copy&pasted. In this example the generated box appears to lose collision once an "Add procedural mesh component" node ...

Foliage does not spawn on Hierarchical Instanced Static Mesh Components

UE - World Creation - Worldbuilding Tools - Foliage - Jul 3, 2015

Foliage does not spawn on Hierarchical Instanced Static Mesh Components ...