OBB files per architecture are not unique so Play Store flags it when uploading for different store versions

UE - Platform - Mobile - Aug 16, 2019

The Play Store by default on uploading an OBB will check it against the others uploaded so if you are uploading multiple APKs built for different architectures in the same packaging session the OBB ...

Blending does not work when materials using material layers are set to Post Process Volume

UE - Rendering Architecture - Materials - Dec 14, 2022

Blending does not work as intended when Material Layers are used in post process. ...

Components added in Blueprint that want initialisation are not maintained by RerunConstructionScripts

UE - Gameplay - Blueprint - Feb 14, 2024

When a native component that wants initialisation is added to a Blueprint actor in the Blueprint editor, the initialisation state of this component will not be correctly preserved by RerunConstructi ...

Multi-Material Skeletal Meshes assigned a Material in Details panel lose access to all other materials

OLD - Anim - Nov 21, 2014

When you assign a Material to a Multi-Material Skeletal Mesh via the Mesh's Level Viewport Details Panel, you will lose access to all the other material Elements after the first assignment. For ins ...

Packaged HTML5 games are showing up in only a quarter of the screen display

UE - Platform - Mobile - Oct 14, 2016

HTML5 projects, once packaged are not showing up properly in the browser window. They're about a quarter of the size they should be. This does not happen in launch on, only package. This does not h ...

Screenshots are mirrored when using the console command on Android devices

UE - Platform - Mobile - Feb 3, 2016

Screenshots taken from the console command are mirrored when saved. This was unable to be checked in 4.11 due to [Link Removed] or [Link Removed] ...

Blueprint drop down menu constantly flickers with negative zoom

UE - Gameplay - Blueprint - Oct 21, 2014

DESCRIPTION: The drop down menu of blueprint nodes constantly flicker at negative zoom REGRESSION: Yes Broken: 2330325 Worked: 2304027 (4.5 branching point) ...

Removing components from Landscape with simplified collision results in assertion

UE - LD & Modeling - Terrain - Landscape - May 18, 2017

Performing operations on a Landscape with simplified collision can result in an assertion ...

SkeletalMesh import do not add and assign LOD only material

UE - Editor - Content Pipeline - Import and Export - Jun 5, 2019

The skeletal mesh importer do not add and assign material for the LOD when we import them in the same file has the base LOD. ...

Metahuman eyes black on close up with ray traced skylight.

UE - Graphics Features - Lumen - Jun 17, 2021