Attempting to apply instance changes to blueprint after altering a struct array crashes editor

UE - Gameplay - Blueprint - Dec 14, 2015

Editor crashes if a struct array that has been made editable is edited in an instance within the details pane of the level viewport, then the changes are applied from the instance to the base bluepr ...

Refraction does not display properly on Android devices

UE - Platform - Mobile - Apr 2, 2019

A user has reported that Refraction does not affect Translucent or Masked materials at all on Android. It is also limited in how much it affects Opaque materials. Regression?: No This has been test ...

Cannot undo moving a mesh via Pilot

Tools - Jan 2, 2018

There is an issue where the undo does not affect movement made by piloting an object in a level. This issue does not appear to be a regression. Versions Tested: This issue occurs in all versions te ...

Light Propagation Volume Occlusion Intensity not working as intended

UE - Graphics Features - Oct 26, 2017

Light Propagation Volume Occlusion does not affect scene as it should. The workaround in 4.17.2 is to disable DBuffer decals which will enable the Light Propagation Volume Occlusion. Occurs in 4.1 ...

[MetaSounds] The Members' detail panel does not accurately update after making an edit and selecting a different member

UE - Audio - MetaSounds - Jun 26, 2023

Note: This issue also affects MetaSound Patches and any Members Menu List Repro Rate: 5/5 Regression marked as No: issue was seen in 5.2 and 5.1  UE5+Release-5.2-CL-26001984 UE5+Release-5.1-CL- ...

RadialForceComponent ignores collision of Object Type set in Collision Presets if component is initialized in C++

UE - Gameplay - Jul 28, 2016

When a RadialForceComponent is attached to a object in C++, it doesn't take on the "Object Types to Affect" in the component settings of the Blueprint. If the RadialForceComponent is created as a co ...

Crash on iOS loading into a scene with Media Framework assets

Media Framework - Sep 30, 2016

Following launching a packaged Media Framework project, the application crashes. Different behavior is observed between iOS versions. When tested in 7.1.2, the video played in the scene for a few s ...

Translucent Materials no longer reflect light when using Forward Lighting variable

UE - Graphics Features - Jun 7, 2016

Translucent materials are no longer showing light reflections in scene when using r.forwardlighting 1 with lights. This is a regression from functionality in 4.11.2. This no longer works with 4.12 ...

r.ScreenPercentage.Editor does not function

UE - Graphics Features - Jun 2, 2016

Setting r.ScreenPercentage.Editor does not affect the upsampling/downsampling of the viewport in the editor. Regression: YES - the console command correctly adjusted the screen precentage in 4.11.2 ...

Creating a Blueprint out of existing Blueprints removes all assigned Static Meshes from components

UE - Gameplay - Blueprint - Aug 11, 2015

Creating a Blueprint out of existing Blueprints removes all assigned Static Meshes from components. Reproduced in 4.8.3 binary, 4.9 Releases (//depot/UE4-Releases/4.9/Promotable-CL-2650750), and Ma ...