Sequencer Media Tracks trigger crash when an ImageSource is added

Media Framework - Jun 18, 2020

The same callstack appears in 4.24.3 (CL-11590370) but only when playing a Sequence with a Media Track that has a ImgMediaSource and Media Texture set on it. These repro steps work for 4.25 and 4.26 ...

High Precision Tangent Basis & Use Full Precision UVs on Skeletal Meshes reset after reimport

UE - Editor - Content Pipeline - Datasmith - Importer - Sep 17, 2020

Reimporting a skeletal mesh causes "use high precision tangent basis" & "use full precision UVs" to reset and no longer being applied to the mesh. Reported and tested in version 4.25.3(CL 13942748) ...

Nvidia Graphics Drivers cause editor menus to flicker and disappear after using the editor for an extended period of time

UE - Graphics Features - Apr 16, 2021

This issue seems to be occurring on a variety of Nvidia cards. So far, I haven't seen any indication that it is affecting AMD graphics cards. The majority of the reports have indicating that the pro ...

Standalone Material Function Instance creation results in crash

UE - Rendering Architecture - Materials - Mar 2, 2023

Coming from UDN https://udn.unrealengine.com/s/case/5004z00001mDBzzAAG/material-instance-asset-creation-workflows?fromCase=1 Either standalone MFI creation should work just like MaterialInstances, ...

Enhanced Input Axis Actions repeatedly firing the last input value when entering a Common UI menu

UE - Gameplay - Input - Sep 7, 2023

When using an axis mapped input action such as looking around with a gamepad joystick, then opening a Common UI menu, the last input axis value will keep firing irrespective of the current joystick ...

Landscape is missing its material when running a packaged project on Linux arm 64

UE - Graphics Tools - Terrain - Landscape - Apr 22, 2024

From licensee: The project contains a small flat terrain with a basic material attached to it - just a single texture sampler connected to the base color output. Also in the project is a skeletal m ...

Favorite Levels menu is hidden if Recent Levels menu was cleared

UE - Editor - Workflow Systems - Aug 23, 2024

This issue is caused by the "File > Favorite Levels" menu only showing up if there are 1 or more recent levels. Once that list is cleared, the "Favorite Levels" menu is never added to the "File" men ...

DAE Import - Missing geometry in imported .dae model from Cabinet Vision

TM - Interoperability - Mar 27, 2025

Reported in SF [Link Removed] Client created a ,dae file in Cabinet Vision. When imported into TM, geometry will be missing, such as the walls and parts of the cabinets. Tested and occurs in TM 20 ...

Crash when launching Google VR project

UE - Platform - XR - Dec 12, 2016

Attempting to launch a packaged Google VR game on android causes the game to crash. This has occurred on two other devices. This occurs in Main as well as Dev-VR. ...

Object Scale Not Working with Instanced Static Mesh

UE - Graphics Features - May 19, 2016

Using Object Scale in your material with an Instanced Static Mesh does not change the color of the material if you scale the individual instances of the Instanced Static Mesh component. If you scal ...