Mac - Toasts hide behind the editor when dismissing the right-click menu in the Content Browser

UE - Platform - Apple - Oct 4, 2017

REGRESSION: Yes, this does not occur in 4.17 When the user dismisses the right-click menu in the Content Browser, any active toasts will suddenly become hidden behind the editor window. Only when ...

OculusBoundaryComponent crashes when no HMD connected

UE - Platform - XR - Nov 7, 2017

Editor crashes when Oculus boundary component is added without a HMD connected. This was discovered while researching a separate bug report. A user stated that on a project that had been upgraded f ...

Can't set Event replication settings when delegate output pin is connected

UE - Gameplay - Blueprint Editor - Feb 19, 2018

User Reported Bug Replication Settings no longer editable after event delegate is connected. Doesn't seem to affect functionality, only UI. (replication settings stay as set before plugging delega ...

Curl Noise Force Not Applying to Niagara Emitter

UE - Niagara - Jul 30, 2018

Curl noise force will not affect a Niagara particle regardless of strength. Current work around is to disable then re-enable "apply forces" under "solve forces and velocity" Found in 4.20 CL# 4233 ...

UnrealMatch3 ensures when launching on iOS

Docs - Samples - Aug 21, 2016

While running regression pass, found that UnrealMatch3 hits an ensure when user selects to Launch on to iOS device. LogOutputDevice:Error: The ini file '../../../UnrealMatch3/Saved/Config/IOS/Device ...

"Enable Stencil Test" Mobile crash

UE - Graphics Features - Sep 10, 2019

A material with 'enable stencil test' will crash on mobile. Enable Stencil Test is a new option in materials as of 4.23 Confirmed with OpenGL 3.1 + 2 and Vulkan on Pixel XL Also Crashes on iOS ...

Exiting PIE with dedicated server checked causes editor to crash on Linux

UE - Platform - Linux - Oct 25, 2016

Checking the box for Dedicated Server in the Play dropdown menu causes the editor to crash when exiting PIE. This does not occur in 4.13 or 4.14 on Windows. ...

Unloading level during PIE leads to editor crash

Tools - Dec 6, 2017

Unloading level during PIE seems to lead to an editor crash. Most easily reproducible by enabling malloc stomp. ...

Editor crashes if Sequencer has keyframes for a variable that has changed

UE - Anim - Sequencer - Sep 19, 2018

The Editor crashes if loaded sequence has keyframes for an actor variable that has been changed, instead of soft erroring out. This was reported and tested on 4.20.3 (CL-4369336). It was reproduced ...

Mobile VR App Crash with Monoscopic Far Field and Multi-View enabled

UE - Platform - Mobile - Nov 23, 2018

Mobile VR (Oculus Go) App Crash with Monoscopic Far Field and Multi-View enabled Workaround: Do not use Monoscopic Far Field and Multi-View at the same time Also confirmed in 4.22 Main @ CL 45 ...