Navmesh seems to have buggy behavior when interacting with HISMCs that programmatically set mesh via SetStaticMesh.

UE - AI - Mar 6, 2020

Both versions works correctly if HISMC is pre-placed (generated in ConstructionScript). Only when generated dynamically does it fails. The Navmesh isn't being updated after SetStaticMesh and AddInst ...

Fog Does Not Behave As Expected in Splitscreen

UE - Graphics Features - May 25, 2018

This bug seems to repro very inconsistently for me, but I've seen it affect Atmospheric Fog and Exponential Height Fog, and reproduced in 4.18.3, 4.19.2, and Main CL 4093338. I've attached Config fi ...

Syncing changes in multi-user editing tool results in crash

UE - Virtual Production - Tools - Multi-user - Dec 18, 2019

When using the multi-user editing tool inside a 4.24 project, persisting changes will sometimes result in a crash.  Unable to reproduce the issue. However, the user has reported occasionally re ...

Skybox Textures Have a Seam When Using a Cube With Inverted Normals

UE - Graphics Features - Feb 14, 2020

Skybox textures can have a seam when using an inverted cube for a sky. Attached is an example 4.24.2 project. Note: One of the attached seam screenshots is hard to see unless you expand it. Found ...

Using Snap Rotation displays the Rotation wrong (or calculates the Rotation wrong and losses precision) when the Y rotation axis is 90 degrees

UE - LD & Modeling - Modeling Tools - BSP - Nov 7, 2019

Although the Details Panel shows the degrees wrong, the object seems to have done it's rotation correctly but not in the right degrees. It will rotate to the position specified but it goes the wrong ...

Users are unable to create projects when the default project location is a networked drive

UE - Editor - Oct 23, 2024

There have been multiple reports of this issue, particularly from schools, over the last 10 years:https://forums.unrealengine.com/t/invaild-folder-path-with-network-user-drives/283475https://forums. ...

Sublevels Move To New Subfolders Automatically When New Ones Are Made

Tools - Mar 11, 2020

When adding a new subfolder in the Levels window all the sublevels in that parent folder move to the new sublevel. Currently you have to create all the sub folders then move the sublevels to keep th ...

Null Redirector For Main Game Level Is Packaged Without Error After Fixing Redirector

Tools - Feb 24, 2020

After moving a level into a folder and fixing the redirectors (right click in content browser) the project will package a Null reference without throwing an error. This will let you create a project ...

Video material previews incorrectly on Mac

TM - Rendering - Apr 3, 2025

Received multiple reports of users on Mac computers experiencing issues previewing video materials in Twinmotion 2025.1. When adding video materials to the scene, the scale seems to be incorrect an ...

Wildcard Maps Inputs/Outputs Propogate Incorrectly in Macros

UE - Gameplay - Dec 13, 2019

When a macro takes in a Map <Wildcard, Wildcard> if the output is the element in the map it is the same type value of as the key. You can see see a quick demonstration at [Link Removed]. This seems ...