Assertion failed: PlatformNeedsExtraDeletionLatency()

UE - Rendering Architecture - RHI - Mar 5, 2019

Animating a HISM along a spline when many other HISMs are present will result in a crash in 4.22. Confirmed in 4.23 MAIN @ CL 5291468 ...

Incorrect Skysphere Material Reflection with Ray Tracing

UE - Graphics Features - Lumen - Mar 5, 2019

The reflected Sky material looks blurry and low res when set to unlit, however setting the material to Default Lit has the correct reflection. Even though the reflection is correct the lighting brea ...

zorder of Webbrowser in Mobile device is not same as in the PC

UE - Platform - Mobile - Jul 23, 2018

Webbrowser in Mobile devices gets most higher zorder in UMG. This is, as I belive, expected since it is running in native functions. But to meet behaviors in PC, making it to follow given zorder see ...

Restart playback after pause at end skips forward

UE - Anim - Sequencer - Sep 12, 2019

[Link Removed] ...

Can not find abstract class in actor class dropdown list in GetAllActorsOfClass node

UE - Gameplay - Blueprint - Dec 15, 2020

The behavior of non-variable class pins has changed in 4.26 where abstract classes like AInfo are being excluded from class pickers for general utility functions like GetAllActorsOfClass. This is no ...

IPhonePackger re-signs app with old signature format that makes users get the warning popup on iOS

UE - Platform - Mobile - Jan 27, 2021

Apple forces developers to code sign an app using the latest code signature format and IPP needs to support it. a related link: [Link Removed] ...

Starter content won't appear if created new C++ project with the same name as a deleted C++ project

UE - Editor - Workflow Systems - Dec 14, 2021

Created a C++ project with starter content and then deleting the project and making another C++ project with starter content with the project name the same as the previous project causes starter con ...

[Impulse Response] - Opening an Impulse Response asset throws errors in the Output Log

UE - Audio - Nov 4, 2022

Errors are appearing in the log when opening an Impulse Response asset type. This does not occur in Release-5.0 and is a regression. Note: The IR appears to still work normally as part of a Submix E ...

Blueprint spawned by Visual Dataprep does not run construction script

UE - Editor - Content Pipeline - Visual Dataprep - Mar 9, 2023

Notice that the actors created through dataprep does not exectute the construction script while the actor spawnd directly in the scene does. Reported in the UDN [Link Removed] ...

Post Process Materials After the Upsampler Have Incorrect ViewUniformBuffer Information

UE - Graphics Features - Jul 17, 2023

A proposed solution to this has been given by the licensee, please see the related UDN. ...