HTML5 Engine Scalability set via C++ are not kept.

UE - Platform - Mobile - May 20, 2015

HTML5 packaged or Launched On games are not keeping settings to the ScalabilityQuality.X when deployed to Chrome 64 or NIghtly Build. Project for Repro: [Link Removed] ...

Spatialization no longer occurs when Non-Spatialized Radius is set above 0

UE - Audio - Sep 13, 2016

Audio spatialization no longer occurs when Non-Spatialized Radius is set above 0 in a sound actor (instance or in a sound cue). I could not reproduce this issue in UE4/Main. ...

Volumetric clouds jitter when in front of geometry

UE - Graphics Features - Nov 30, 2023

Potentially related to [Link Removed], but distinct. ...

Masked materials on Nanite meshes with multiple material slots causes erroneous cluster culling

UE - Graphics Features - Nanite - May 22, 2024

When a nanite-enabled mesh with multiple material slots has a masked material applied, nanite may erroneously cull clusters that are still visible. ...

TAssetPtrs are not properly fixed up in client PIE instances

Tools - Aug 18, 2015

Contrary to the linked UDN question, this doesn't seem to require the actor to be replicated. The problem is that when UWorld::DuplicateWorldForPIE is called for a PIE client instance's persistent ...

Previewing Nav Mesh in DX12 Mode causes Editor to Crash

UE - Graphics Features - Mar 7, 2016

In UE4.11p6, previewing Nav Mesh in DX12 Mode causes Editor to crash. ...

Input Events don't have friendly names in Call Stack tab

UE - Gameplay - Blueprint Editor - Nov 27, 2017

In the Call Stack tab, input events are not listed by their friendly names. Instead they have long names such as InpActEvt_One_K2Node_InputKeyEvent_2. This is different from Actor Events that simp ...

Previewing Node in Material Editor Produces Unexpected Output with DX12

UE - Graphics Features - May 16, 2018

Per Licensee: Since we switched to DX12 we started to see strange behavior in material previews. I was able to reproduce the problem in UE 4.19 vanilla as well. We usually have to force recompilin ...

Copying and pasting a material function renders all of the duplicates inputs as not having default values

UE - Rendering Architecture - Materials - May 22, 2019

The top material function was placed in a graph directly. The second was generating by copying the first node. Note that the input pins changed color which indicates that each input on the new modul ...

Specific Blend Mode of Material on UMG render incorrectly when HDR is enabled

UE - Graphics Features - Jan 27, 2022

This issue occurs with the Additive and Alpha Holdout settings. ...