Dynamic navmesh update causes navlinks to reset to their default state

UE - AI - Dec 16, 2019

Updates to dynamic navmesh cause navlinks to reset to their default state. Navigation still shows the path as accessible even though it isn't. This is a regression from 4.23.1 (CL-9631420) where th ...

Niagara Map Set parameters are improperly named

UE - Niagara - Mar 9, 2020

Parameters are misnamed when adding a new parameter to Map Set in a Niagara Module Script  Tested: 4.23.1, 4.24.3 , 4.25 preview, 4.26 (main) ...

Mouse Wheel Axis input gives different values in HTML5 packages, varying by browser

UE - Platform - Mobile - Sep 28, 2017

The value given by the Mouse Wheel Axis is usually 1.0 or -1.0, depending on the direction. In HTML5 packages, this value varies based off the browser that is used. On Firefox (56.0): 0.025 or -0.0 ...

Blueprint Tooltips Appear Behind Contextual Menu

Tools - Nov 30, 2015

On an iMac running OSX 10.11.1 a user reports that the tooltips are appearing behind the contextual menu. *See image ...

Odd Refraction on Close Planes

UE - Rendering Architecture - Jun 7, 2023

We're seeing odd refraction when we have two close planes where the front plane has a translucent shader with a refraction not equal to one. I've included a project with the following setup:Two equa ...

Media Plate Actor becomes blacked out when set to Spawnable in a Level Sequencer

UE - Virtual Production - Rendering - Jun 7, 2023

saving a media plate actor set to spawnable in a level sequence causes the media plate actor to become black. there are two known workarounds 1. toggling the Media plate to Possessable, and Spawnabl ...

Difference in Shader Complexity view mode between Static Mesh and Painted Foliage Actors after Enabling 'Dbuffer Decals' in Project Settings

UE - Graphics Features - Oct 19, 2016

The 'Shader Complexity' view mode is rendering differently between regular Static Meshes and Painted Foliage instances after enabling 'DBuffer Decals' The user is reporting that this does not seem ...

Shadows are Heavily Aliased with PCSS Enabled

UE - Graphics Features - Apr 11, 2019

Shadows are exetremely rough and aliased if r.shadow.FilterMethod is set to 1.  Working as expected in 4.21 CL# 4753647  Found in 4.22 CL# 5660361 and 4.23 CL# 5810496 ...

Enabling wifi while a game is running causes the Lenovo S939 to freeze or crash

UE - Platform - Mobile - Jan 5, 2016

When turning on the wifi connection on the device, the game either crashes on the device or it'll freeze for about 15 to 30 seconds. Devices: 5231_S939 (ARM Mali-450 MP4; 4.4.2) - occurs on 2894_G ...

Camera Vector on Strata materials is rendering the wrong colors

UE - Graphics Features - Substrate - Jan 4, 2023

Regression: Strata is new in UE5/Release-5.1, but recreating this on a normal material renders the same colors, so regression is no. According to a user the material is supposed to be rendering Blu ...