Spawned Actors do not appear in World Outliner

Tools - May 11, 2019

Spawning actors from a Blueprint via the SpawnActorFromClass function at runtime does not cause the World Outliner to update. Tested in 4.21.2 (CL - 4753647), 4.22.1 (CL - 6063286), 4.23 (CL - 64 ...

[CrashReport] UE4Editor-CoreUObject!UObject::SetLinker(FLinkerLoad *,int,bool) [UObjectLinker.cpp:107]

UE - Foundation - Core - May 13, 2019

Comment from user in crash group:I updated unreal engine to 4.22.1 and changed the project version from 4.21.2 to 4.22.1 and now it crash whenever i open a map Generated from CrashReporter ...

Ray Traced Translucency Option Doesn't Function in Post Process Volume

UE - Graphics Features - Lumen - Aug 16, 2019

Ray Traced Translucency Option Doesn't Work in Post Process Volume. Found in 4.23 Preview 6 CL# 7848402, and 4.24 CL# 8074192 Working as expected in 4.22 CL# 7053642 This is a regression. ...

Creating a new collision preset changes the collision of the capsule for third person character blueprint

UE - Simulation - Physics - Jan 7, 2020

Creating  a custom collision preset changes the collision of third person characters capsule component.  Tested in: 4.23.1 CL#9631420 4.24.1 CL#10757647 4.25 CL#10889200 ...

Screen space reflections are flickering when using no Anti Aliasing

UE - Graphics Features - May 20, 2020

This is a regression from 4.24.3 (CL-11590370). SSR begins to flickers when AA is disabled when moving around the scene. This was reported and tested in 4.25 (CL-13144385) and reproduced in Main 4. ...

Reproducible softlock on iOS

UE - Platform - Apple - Jul 18, 2023

After performing the repro steps, screen will softlock unless you perform the "slide from 3 to 4, then back to 3" steps.  Appears to be an iOS system bug, but see if we can find a workaround. ...

Crash and Performance issues when Generating Foliage using the Procedural Foliage Volume

UE - World Creation - Worldbuilding Tools - Foliage - Feb 14, 2017

Users are reporting crashes and poor performance when generating foliage using the Experimental Procedural Foliage Volume tool. Regression? Yes, this does not occur in the previous engine version o ...

[Quartz] - The multiplier does not always respected on the Quartz Quantization Boundary

UE - Audio - Quartz - May 13, 2022

Increasing the multiplier past a certain point causes sounds on a Quantization Boundary to struggle to play at the correct time. The repro above uses 1/32, but this also repros with other values. ...

Launching a packaged game will cause it to open on the leftmost monitor, ignoring your primary monitor

Tools - Jan 17, 2018

A licensee has reported that opening a packaged game in 4.18 and onward will cause the packaged game to appear on their left most monitor, rather than their primary monitor. This was not the case in ...

Distance Field Shadows Not Working On Large Objects

UE - Graphics Features - May 10, 2018

UDN Licensee reported this on 4.16, and I can repro in 4.17- 4.19.  Per Licensee: I'm trying to use distance field shadows on very large objects, but it looks like it does not work. Can you sugge ...