Modifying FinstancedStruct (Blueprint structs) properties inside another FInstancedStruct triggers an ensure and properties do not get saved.

UE - AI - Dec 16, 2024

There is a bug with Blueprint structs having FInstancedStruct as a property. If you modify the DefaultValues of any property of an FInstancedStruct inside the blueprint struct asset, an ensure will ...

Ensure failing when skeletal mesh uses CapsuleIndirectShadow while Anti aliasing method is MSAA

UE - Platform - XR - Feb 23, 2023

Video of issue provided by licensee can be seen here - [Link Removed] ...

Self-Shadowing changes when click on and off an actor

UE - Graphics Features - Jun 19, 2015

Given a Movable Light with a Movable Mesh with enabled Self Shadow Only, the mesh will not cast inset shadows (despite this option begin forced to true according to Tooltip) unless the mesh is selec ...

Editor crashes when assigning Landscape layer info while Forward Shading is enabled

UE - LD & Modeling - Terrain - Landscape - Nov 7, 2017

Crash occurs when Forward Shading is enabled in Forward Rendering Options User noted that if "Support Stationary Skylight" in Project Settings > Rendering > Shader Permutation Reduction is disabled ...

Crash Occurs when changing the 'Max Metal Shader Standard To Target' option within iOS Project Settings

UE - Platform - Mobile - Jan 26, 2017

A crash occurs when setting the Max Metal Standard Shader version within the Project Settings for iOS. I tested on both Mac and PC and the crash occurs on both machines. Regression? No, this is not ...

X axis rotation only follows relative rotation

UE - Gameplay - Apr 10, 2017

A user is reporting that the X axis rotation appears to only rotate based on the object's relative rotation, and not rotate based on the world rotation, even when using Set world rotation. For test ...

Launch crashes on Android if device has Wifi disconnected

UE - Platform - Mobile - Mar 10, 2016

Launch On crashes on a Android devices if networking is disabled. This used to work and should not crash. ...

RENDERING: Unchecking Actor Hidden in Game for Actors is not letting them be visible in game

UE - Graphics Features - Jun 19, 2014

CHANGELIST: 2107728 BRANCH: UE4 DESCRIPTION: Unchecking the Actor Hidden in Game checkbox is not allowing a Note or an Ambient Sound be visible when played in the editor    QA REGRESSION? NO    ...

Packaged Android file sizes have increased dramatically

UE - Foundation - Core - Cooker - Mar 6, 2015

Multiple users on AnswerHub and forums have reported seeing very large increases on their packaged Android projects. One user reported being unable to get the Tappy project itself down to less than ...

"Combine Meshes" Breaks Material Slot Assignment

Tools - Jan 18, 2017

When importing an FBX with several different meshes and multiple materials with "Combine Meshes" enabled the materials will get assigned to incorrect portions of the mesh. I've included a version o ...