Console is off screen in VR preview when windows scaling is set to 150% or above

UE - Platform - XR - Jun 29, 2018

Windows scaling appears to affect the HMD if the project is open on a screen with window scaling being used. ...

Significant editor slowdowns when moving blueprinted actors while having a different complex blueprint open

UE - Framework - Blueprint Editor - Jun 7, 2021

A Blueprinted actor's construction script time can be affected by the complexity of an opened level Blueprint. ...

[AI] Crash while loading navmesh with async static mesh compilation enabled

UE - AI - Navigation - Jun 16, 2022

I tried 10+ times but am unable to get this to reproduce locally. Licensee reports that this is a rare crash for them. ...

[CrashReport] UE4Editor-Kismet.dylib!FTabInfo::OnMouseDownHisory(FGeometry const&, FPointerEvent const&, TWeakPtr<SMenuAnchor,()

UE - Platform - Apple - Jul 20, 2017

This is a common crash affecting Mac users in 4.16. It has occurred since at least 4.13 ...

Background blur missing with HDR CompositeMode 1

UE - Graphics Features - Jul 29, 2021

UPD: According to Affects Version field, issue reproduces in 4.26, Regression for 4.27 - No. ...

All Megascan asset libraries are missing

TM - Core - Oct 15, 2025

All Megascans assets no longer appear in Twinmotion 2025.2 hotfix (46767548). Other libraries do not appear to be affected. ...

UnrealMathTest fails when compiled with VS2019

UE - Foundation - Cpp Tools - Oct 10, 2019

A crash or breakpoint is triggered when building UE4 with Project Files generated with -2019. Typeinfo.h was changed in MSVC v14.23 to just be typeinfo. ([Link Removed]) There is a pull request t ...

GearVR crash with material using Fresnel or WPO on Snadragon S7

UE - Platform - Mobile - May 19, 2016

Talking with ChrisB, this has been passed to Samsung and Qualcomm for investigation with the Signal 11 crash. This only affects the Snapdragon S7 devices. ...

Torque curve makes no difference on vehicle movement

UE - Gameplay - Blueprint - Sep 11, 2015

When changing the Torque Curve in a Wheeled Vehicle's Vehicle Movement Component, the values set don't affect the torque of the vehicle. ...

Touch End events do not fire if asset is moved from under touch location

UE - Gameplay - May 19, 2016

Touch End does not get fired if actor is not under cursor when released. Regression (no) issue (does) occur in 4.10.4 ...