Particle Cutout Will Clip Texture On Certain Frames Even With Alpha Threshold of 0.0001

UE - Niagara - Feb 17, 2017

A licensee has reported that the particle cutout feature will sometimes clip the image on some frames despite having an alpha threshold of 0.0001 The attached project has an example of this on the ...

Static mesh Viewer Camera Appears to be tilted after setting the orbit pitch to 90 and Orbit yaw to 0

Tools - Nov 21, 2016

Static mesh Viewer Camera Appears to be tilted after setting the orbit pitch to 90 and Orbit yaw to 0. The camera becomes tilted and does not rotate around the static mesh as it does by default Not ...

UMovieSceneSequenceTickManager does not consider settings of Fixed Frame Rate

UE - Anim - Sequencer - Jun 15, 2023

Due to CL-20816478 UMovieSceneSequenceTickManager now calculates DeltaTime per Group instead of using DeltaSeconds directly. As a result, the FixedTimeFramerate in the project settings is being igno ...

Fix up IOS errors calling UI API from non-UI threads

UE - Platform - Apple - Jul 27, 2020

Clicking the Yellow Reset to Defaults Button on an exposed Value for struct Arrays always defaults to '0'

UE - Gameplay - Blueprint - Jan 8, 2015

When using the track builder plugin, the default settings for the track width starts at 1. However, when the yellow arrow is clicked to to restore the track back to default it sets it to zero instea ...

[MetaSounds][Trigger Route] - If Value 0 is a non-zero value and Value 1 is a zero value, the output "pops" on triggering Set

UE - Audio - MetaSounds - Mar 18, 2022

When using the Trigger Route node, if Value 0 is a non-zero value and Value 1 is a zero value, the output "pops" on set. [Link Removed] ...

[CrashReport] Crash on Mac during Editor load (out of memory loading Boot.ddc): Assertion failed: A.ArrayNum >= 0

UE - Foundation - Core - Jun 14, 2017

This is a common crash occurring for Mac users in the 4.16 release. It appears to occur during editor startup. The below details are taken from user log files.LogFileManager:Error: Requested read of ...

Making the viewport fullscreen while Application scale is a value other than 1.0 results in a zoomed in/out viewport

Tools - Jan 11, 2017

When using Application Scale in the editor, using F11 to make the viewport fullscreen results in an either zoomed in or zoomed out fullscreen version. Note: This same issue occurs when using a comb ...

[CrashReport] UE4Editor_PropertyEditor!TSharedPtr<IPropertyUtilities,0>::ToSharedRef() [sharedpointer.h:794]

Tools - Dec 6, 2017

Top Crash in 4.18 release Comment from User: "Picking a color for my shader" Source Context:// NOTE: The following is an Unreal extension to standard shared_ptr behavior 788 FORCEINLINE ...