MediaPlayer failed to be open on Mac and IOS

UE - Platform - Apple - Oct 9, 2023

Volumetric clouds jitter when in front of geometry

UE - Graphics Features - Nov 30, 2023

Potentially related to [Link Removed], but distinct. ...

Eye Shading Model renders Emissive unexpectedly when using a FloatRGBA scene format

UE - Graphics Features - Apr 5, 2024

This appears to be caused by the colour format. It only occurs when the scene format has an alpha channel. FloatRGB (format 3) doesn’t exhibit these issues. Unfortunately, format 4 is the default fo ...

An ensure is triggered when a StaticMesh is set inside a StaticMeshComponent on an actor, and another actor references the static mesh actor from two child actor components.

UE - Content - Engine - Feb 5, 2025

There is an issue when setting a Static Mesh inside a blueprint that it is referenced by another blueprint with more than one child actor. An ensure is triggered inside the engine, and there is a ...

Setting Runtime Generation to Static Resets Upon Closing and Re-opening Editor

UE - AI - Nov 23, 2015

In Project Settings>Navigation Mesh, setting the Runtime Generation context menu to static reverts to dynamic if the project is saved, closed, and reopened. ...

Color Information Clamped to a Max of 1 in Cascade Color Modules

UE - Graphics Features - Dec 3, 2014

You cannot enter a value higher than one in any color module. WORKAROUND - You can graph it and select the point you want to change and then set value to any number, but it will be clamped back to ...

Projects created outside root UE4 folder do not show up in Project Browser on Linux

UE - Platform - Linux - Nov 25, 2014

If a user creates a new project on a Linux machine and specifies the project to be created in a folder outside of the root UE4 directory and /Documents/Unreal Projects/ folder, the project does not ...

Project description is defaulted to 'Unreal Engine' when checking the properties after launched

Tools - Oct 26, 2016

The description of projects packaged is defaulting to Unreal Engine. This is happening in development and shipping builds on Windows. Occurring in: 4.10.4, 4.11.2, 4.12.5, 4.13.1 and 4.13.2 ...

Connecting a Client to a Server in PIE with Auto Connect to Server disabled will crash the editor

UE - Networking - Feb 22, 2016

Connecting a Client to a Server in PIE with Auto Connect to Server disabled will crash the editor. EDIT: simple test project attached. Make sure Auto Connect to Server is disabled, and PIE with 2 p ...

Mobile Temporal AA is broken

UE - Platform - Mobile - May 17, 2018

Expectaton: Temporal AA should work on Mobile ...