Second controller input doesn't work setting client mode on PIE.

UE - Editor - UI Systems - Feb 3, 2021

When two controllers connected, player2 input is disabled in client mode in PIE. It worked correctly in 4.25, but it has been wrong since 4.26.  Digging into FSlateApplication::ProcessKeyDownEve ...

Segment to Segment Navigation links not usable/working

UE - AI - Dec 3, 2015

A licensee asked about SegmentLinks not working. These were apparently disabled because they were buggy and are waiting to be fixed, but not currently being worked on. Adding this to JIRA since ther ...

Launcher and Editor context / dropdown menus do not display correctly on upcoming Windows 10 build

UE - Editor - UI Systems - Slate - Oct 3, 2016

A few users using the Windows 10 Insider Preview have found that after a certain point in the Prerelease builds, starting at 14915 it seems, the Unreal Editor and Epic Games Launcher context menus h ...

MediaTexture.AutoClear Is Ignored On Quest

Media Framework - Mar 9, 2020

When closing a media player asset in the Oculus Quest the Clear Color is ignored and the last frame is left on frame shown. This happened whether I ran the project both while the Quest was and was n ...

UFE: Can't delete custom launch profiles

UE - Editor - UI Systems - Jul 26, 2023

The confirmation message will fails spawning with the following messages in the log:  [2023.07.25-20.04.01:038][  0]LogWindows: Error: Failed to create dialog. The specified resource type cannot be ...

Cast enum to byte could occasionally break cook/resave in level BP

UE - Gameplay - Blueprint Compiler - Aug 27, 2020

 Workaround:The blueprint macro had a cast from the enum to an int and that was causing the issue, getting rid of the cast and just returning the enum and then changing all the places that were usin ...

Inherited AnimBP properties not always working across editor restarts

OLD - Anim - Jan 21, 2016

In 4.11 when making changes to node properties in an animation blueprint they will not always appear to update in child blueprint instances when restarting the editor. In the attached project the l ...

Duplicating / Moving (to another level) an actor with a Hierarchical Instanced Static Mesh component causes a crash

UE - Graphics Features - Nov 14, 2016

When you have an actor with a Hierarchical Instanced Static Mesh component that has a Static Mesh set and is populated with at least 1 instance and then duplicate it or move it to another level, it ...

Building for Gear VR Distribution fails due to missing Oculus lib

UE - Platform - XR - Jun 7, 2017

Users have reported that building for Distribution on Gear VR results in failure due to a missing Oculus library. The error they receive is as follows: UATHelper: Packaging (Android (ETC2)): [javac ...

ISM + WPO = broken motion vectors?

UE - Graphics Features - Nov 5, 2024

Instanced Static Meshes will have incorrect velocity if a Material uses World Position Offset. Fixed WPO in a material causes significant velocity on the ISM. This was also replicated in //UE5/Rele ...