Adding a Blueprinted custom StaticMeshComponent to a Blueprint results in an Ensure being triggered.

UE - Gameplay - Components - Aug 24, 2015

If a Blueprint is made from a custom Blueprintable StaticMeshComponent, and that Blueprint is added as a component to another Blueprint, an Ensure is triggered. No Ensure occurs if the custom nativ ...

Nativized packaging fails when attaching paper Flipbook component to a parent paper Flipbook component that is Inherited.

UE - Gameplay - Blueprint - Jan 8, 2019

Nativized packaging fails when attaching paper Flipbook component to a parent paper Flipbook component that is Inherited. ...

Project fails to package nativized const reference parameter

UE - Gameplay - Nov 17, 2017

Overriding a BlueprintNativeEvent function with a const reference parameter in blueprints causes the project to fail to package if the blueprint is nativized. Note: This only occurs if the function ...

Connecting GetSequenceBinding node to LevelSequence including Spawnable Actor etc. will result in error

UE - Gameplay - Blueprint Editor - Feb 22, 2018

[Link Removed] ・Open attached project ・Open NewMap ・Confirm that an error appears on the console ・When creating a Windows (64-Bit) package in this state, the same error occurs ...

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. ...

Slow-rendering thumbnails can be queued up for real-time updates

UE - Editor - Content Pipeline - Content Browser - Sep 22, 2016

A licensee is seeing performance drops while using the editor due to a custom thumbnail renderer taking a while to generate thumbnails while Real-Time Thumbnail rendering is enabled, and has request ...

Debug lines can be obscured by post processing effects

UE - Graphics Features - Sep 14, 2015

Debug lines (Results of DrawDebugLine()) can be obscured by post processing effects such as a strong glare. Debug lines should be always visible for debugging purposes. ...

SunTemple is washed out in one color on some Android devices.

UE - Platform - Mobile - Jan 16, 2017

This was discovered during the 4.15 mobile compat. ...

Viewport has graphical glitch while editing but not in PIE

Tools - Feb 6, 2015

User has a project that the viewport has gotten corrupted. The icons are now no longer camera facing and are facing in the positive y axis. The sun disc and sky are blurred. When PIE everything rend ...

Scene Capture 2Ds Ignore Separate Translucency Settings

UE - Graphics Features - Jun 3, 2015

When you place a Mesh with a Translucent Material using Separate Translucency in the view of a Scene Capture 2D using Gaussian DoF, the resultant capture will ignore the Separate Translucency Settin ...