Editor crash when opening Project Settings on Linux

UE - Platform - Linux - Mar 29, 2017

When the Project Settings is opened on Linux, a call is made to run an iOS-related C# program (execute iPhonePackager certificates). This call causes the editor to crash. Unable to find mention of ...

Changing the state of a PrimitiveComponent->BodyInstance while SetSimulatePhysics(false) updates the game thread but does not update the physics behavior

UE - Runtime - Simulation - Nov 21, 2024

Changing the state of a PrimitiveComponent->BodyInstance while SetSimulatePhysics(false) updates the game thread but does not update the physics behavior. In the repro project provided (see addl in ...

ASan on iOS is broken

UE - Platform - Apple - Mar 1, 2024

Address Sanitizer (asan) is currently not working on iOS. This could be a helpful feature to get working again. ...

Mac ShooterGame crashes when loading into the match with Pak files

UE - Platform - Apple - Feb 15, 2017

ShooterGame crashes when loading into the match on Mac when that ShooterGame was packaged with Pak files. The ShooterGame project was created using the Unreal Engine Launcher I do not see this is ...

New VR-Basic level triggers Metal validation layer assertion

UE - Platform - Apple - Mar 16, 2020

This was discovered externally and reported on UDN here: https://udn.unrealengine.com/questions/563268/mac-editor-crash-when-disable-ambient-occlusion.html ...

DLC Package content isn't recognized when using RequestAsyncLoad

UE - Foundation - Core - May 24, 2016

Attempting to load dlc assets with RequestAsyncLoad function results in the assets not being recognized. ...

Unable to change Actor Coloration View Modes in PIE

UE - World Creation - Worldbuilding Tools - Jul 20, 2025

When in PIE changing Actor Coloration view modes from the viewport visualisation mode [Liit] -> [Actor Coloration] -> ... Does not update correctly when switching view mode and sometimes isn't corr ...

skeletal mesh cannot use async scene

UE - Simulation - Physics - Dec 15, 2016

Since the option to use Async Scene with Mesh and CapsuleComponent appears under "Physics" in the Details Panel of a skeletal mesh, the ability to select these options is expected. Currently both bo ...

Crash closing a project that was packaged on Windows for Linux

Tools - May 11, 2017

This occurred with both Development and DebugGame build configurations. In the game's console I tried both "quit" and "exit" and reproed the crash. The crash also occurs via Alt + F4 or closing vi ...