Disabling the Paper 2D plugin causes a packaged project to not open

UE - Foundation - Cpp Tools - Automation Tool - Jun 19, 2017

When working in a project that is in 4.16, disabling the Paper2D plugin causes a packaged version of the project to not open. This issue is different from previous versions as disabling the plugin i ...

Foliage experiences odd culling when world origin is changed

UE - Graphics Features - Sep 13, 2017

There is an odd issue occurring when the world origin is changed, changing the world origin causes the foliage to cull in unexpectred ways. The issue can be solved by using the console command "r.Al ...

Skewed Rotation values from camera actors in print string

UE - Gameplay - Sep 25, 2017

When using the camera actor and modifying the rotation values, the values made in the print string do not seem to match the actual values of the camera's rotation. The values appear to be close, but ...

[CrashReport] UE4Editor_Renderer!FProjectedShadowInfo::AddSubjectPrimitive() [shadowsetup.cpp:793]

UE - Graphics Features - Oct 2, 2017

This is a trending crash coming out of the 4.18 Preview. User Descriptionsadded a directional light Source Context 779 const FPrimitiveSceneProxy* Proxy = PrimitiveSceneInfo->Proxy; ...

Packaging fails when Online Framework Plugin is enabled in a Binary build.

UE - Foundation - Cpp Tools - Plugin System - Nov 29, 2017

Enabling the Online Framework Plugin in a Binary build of the editor (download from the Epic Games Launcher) causes packaging attempts to fail due to a file that is missing. This does not occur in s ...

There's no efficient way to pause/resume widget animations

UE - Anim - Sequencer - Jul 27, 2017

The implementation of UMGSequencePlayer::Play and UMGSequencePlayer::Pause are not conducive to being able to efficiently pause and resume animations. Some problems that need to be addressed: 1. ...

Rotating Movement Component stops at pitch of exactly 90 or -90

UE - Gameplay - Apr 30, 2018

When you set the rotation rate of a Rotating Component so that the moved actor reaches exactly 90 or -90 pitch, it stops rotating for a few seconds. ...

4.21 PIE Issues in High DPI

Tools - Nov 26, 2018

Using a High DPI monitor with a multiple players PIE window results in the 2nd PIE window not saving its location when moved around. Using a monitor with a smaller DPI scale the 2nd window will save ...

Motion Controllers fail to track during Launch On

UE - Platform - XR - Jan 8, 2020

The Editor is failing to track or receive input from connected SteamVR motion controllers during a launch on. It appears that the editor isn't locating the action manifest. If the user enters VR Pr ...

Black viewport with artifacting when changing to MSAA with Forward Shading enabled

UE - Graphics Features - Dec 2, 2020

DID NOT OCCUR IN BP FPS PROJECT - might be ContentExamples specific This issue does not occur when forward shading is disabled. Viewport error reads: TOO MANY OVERLAPPING SHADOWED MOVABLE LIGHTS ...