All Vive Trackpad Inputs Send The Same Input

UE - Platform - XR - Jan 13, 2020

The vive trackpad inputs all read as the same input. Found in 4.24.1 Reproduced in 4.25 Main ...

Alembic Hair Groom Asset + DoF = artifacts around edges

UE - Graphics Features - Jan 21, 2020

Hair assets show artifacting between strands when used with DoF. Confirmed in MAIN 4.25 @ CL 110623791 ...

Converting a function with local variables to an event crashes editor

UE - Gameplay - Blueprint - Dec 9, 2020

When converting a function with a local variable to an event, editor crashes. Issue does not occur in 4.25, therefore a regression. ...

EyeAdaptation node is not working in Decal

UE - Graphics Features - May 25, 2021

It is working correctly in 4.25.4. In 4.26.2, it is not working. It is also not working in UE4main 16382403. ...

I get a compile error when using Particle SubUV nodes and tessellation.

UE - Niagara - Oct 6, 2021

I think tessellation will be discontinued in the future, but I will report it just in case. The licensee is not keen on fixing this problem. ...

Crash when getting input action value from a component

UE - Gameplay - Input - Nov 30, 2022

NOTE: I have been unable to repro this locally, but the crash is because of a null de-reference so we can at least add that to fix up the issue for them.  ...

Parameters end up associated with the wrong layer after certain material layer swaps

UE - Rendering Architecture - Materials - Mar 6, 2023

The licensee has also provided an explanation as to why this issue occurs + guidance for a potential fix. Please see the UDN for more details. ...

ES2 Fallback Fails on Nougat Devices that do not support Vulkan

UE - Platform - Mobile - Aug 28, 2016

Discovered this while doing RC candidate testing for 4.13 Works fine in all other use cases: Nougat devices that support Vulkan Marshmallow devices that support Vulkan Marshmallow devices that don' ...

Game does not exit when exited through SteamVR UI

UE - Platform - XR - Oct 13, 2016

Previously the game would crash (see: [Link Removed]), but the fix now keeps the game running without VR instead. ...

Both HLOD and StaticMesh Visible in Play Modes

UE - World Creation - Worldbuilding Tools - HLOD - Sep 12, 2019

 Both HLOD and StaticMesh Visible in Play Modes. Found in  4.23 CL# 8386587 and 4.25 CL# 8569829 ...