USD Stage - Assert !EdgeArray[EdgeID].ConnectedPolygons.Contains(PolygonID)

UE - Editor - Content Pipeline - Import and Export - Nov 19, 2019

One of Pixars example .usd files is crashing the editor when importing with 'USD Stage' (KitchenSet imports with no errors) It is possible to import the file via content browser without crashing. ( ...

r.AllowOcclussionQueries causing "huge RenderQuery Result" wait time in VR

UE - Graphics Features - Dec 3, 2019

Running r.AllowOcclusionQueries 0 command seems to set bWait = true, causing large wait times Tested: 4.22.3 CL#7053642 ,   4.24P4 CL#10387632 , 4.25 CL#10479005 Link to the users video, which ...

Ribbons Don't Follow Their Source Particles When Scaling

UE - Niagara - Mar 23, 2020

When Ribbon Data in a particles system that is following is scaled in an instance the ribbons scale appropriately, but they don't follow updated location of their source particles. See the attached ...

Asset players in LinkedAnimInstances are ticked twice when a PostProcessAnimInstance is present

OLD - Anim - Apr 14, 2020

Reported here: https://udn.unrealengine.com/questions/569091/animation-playrate-in-linkedanimgraph.html I tested with a downloaded copy of 4.24. It looks like this would also happen in 4.25 though. ...

Replacing a UI widget element and then undoing it causes the Widget Blueprint's UI elements to be deleted on editor restart

UE - Editor - UI Systems - Jan 25, 2021

When using the Replace With option and then undoing it, upon engine restart the Widget Blueprint's UI components are all removed from the Widget Blueprint. It seems the undo is crucial to the issue, ...

The space between multi line text is gone in game when the text box is placed in a retainer box

UE - Editor - UI Systems - May 4, 2021

When using a Text Box with multiple lines inside a Retainer, the lines overlap with each other depending on the letters. It doesn't look this way in the Widget Designer. Additionally, it doesn't loo ...

Pawn's role is incorrect in BeginPlay on client if a multicast RPC is called in BeginPlay on server

UE - Networking - Jun 6, 2022

It seems as though calling a multicast RPC during BeginPlay on the server will cause the new actor to finish spawning on the client before applying any initial replicated data, such as the actor's R ...

Differences in Post Process FX between Minimized and Maximized Viewport

UE - Graphics Features - Apr 19, 2016

When scaling the viewport window using the Maximize/Minimize viewport option, the post processing effects applied to the screen do not scale properly. This issue seemed trivial at first, as the use ...

Landscape UI Elements are not visible

UE - LD & Modeling - Terrain - Landscape - Oct 4, 2016

Per conversation between Gareth and Mike, it was determined the Landscape tool is in Game Mode by default. Within the Landscape Tool, all UI elements are disabled by default. This has been observed ...

Android Back Button go to Oculus home when using Gear VR

UE - Platform - XR - Mar 7, 2016

This is regression from 4.10 functionality. When assigning the Android Back Button functionality in a GearVR project, the back button will now bring up the Oculus Home Screen asking if you would lik ...