Nav Modifier Volumes continue to affect navigation when the sublevel is removed

UE - AI - Oct 13, 2016

Nav mesh is still affected by a nav modifier volume when added to a sublevel and then the sub level is removed. Topdown character will not move into the space affected by Nav Modifier volume so not ...

5.6 Skeletal Meshes with Disabled Sections Flicker in Ray Tracing Scene

UE - Graphics Features - Ray Tracing - Nov 7, 2025

Skeletal meshes with disabled mesh sections will flicker in the Hardware Ray Tracing Scene. Also tested on //UE/Release-5.6, CL:45232827 ...

Crash when setting console command for shadow max resolution to 1

UE - Graphics Features - May 29, 2015

When setting the console command r.shadow.MaxResolution to a value of 1 will cause a crash. CrashReporter: [Link Removed] ...

[MetaSounds][Wave Player] - 5.1 Wave Player channel output maps differently for Vorbis than other codecs

UE - Audio - MetaSounds - Aug 16, 2023

The channel output for 5.1 Waveplayer on MetaSounds is different when Platform Default (Vorbis) codec is chosen on Windows Platform Default - L, C, R, LS, RS, LFEBink, PCM, ADPCM - L, R, C, LFE, LS ...

Texturing: RC 1.5 texturing hangs, RC 1.4.2 works fine with same dataset and workflow

RC - Texturing - Feb 13, 2025

Tested on the provided project, it looks like the unwrap was provided, but then the process stuck. I also checked the Task manager and there wasn't almost any activity for RealityCapture.[Image Remo ...

Landscape holes retain collision if Mip level changed to 1

UE - LD & Modeling - Terrain - Landscape - May 19, 2015

Landscape holes have collision if the mip level of the landscape is changed from 0 to 1. ...

Particle Systems Don't Play In Reopened Levels With ES 3.1 Enabled

UE - Niagara - Jan 27, 2020

Particle systems placed in levels don't play as expected on level load when using ES 3.1 Preview. Found in 4.24.1 CL#10757647 Reproduced in 4.25 Main CL#11115840 ...

Translating sockets in Persona is not affected by Snap Options

OLD - Anim - Dec 14, 2016

In Persona, moving a socket around is not affected by any changes to snapping (scale or size). Rotation is affected however. ...

20 FPS performance drop between 4.7.6 and 4.8 on devices rendering Metal only

UE - Platform - Mobile - Jun 22, 2015

User reported a considerable performance drop on iOS between versions 4.7.6 and 4.8. I was able to reproduce this perf drop using the steps he provided. ...

Find node returning -1 in packaged game even when the item exists in the array

UE - Editor - UI Systems - Localization - Apr 4, 2017

Find node returning -1 in packaged game even when the item exists in the array ...