Investigating Query-Only geometry existing as static world support in NxScenes

UE - Simulation - Physics - Destruction - Nov 9, 2015

Looks like we're either using the wrong scene for world support queries or more likely query geometry is being added as static geometry in the NxScene and being picked up for world supports (this is ...

Add support for motion data on SteamDeck (Steam Controller plugin)

UE - Gameplay - Input - Mar 7, 2025

We have a UDN user with a proposed change: https://udn.unrealengine.com/s/question/0D5QP00000yo70w0AA/add-support-for-gyro-motion-data-to-steam-controller-plugin?fromCase=1 Hi, we were adding gyr ...

Construction Script fires multiple times when the Const Script is compiled

UE - Gameplay - Blueprint - Apr 30, 2015

Construction Script fires multiple times when the Const Script is compiled. If the character is moved on the grid in the level, it will only fire once. It only seems to be an issue on bp compile. ...

Please support ApplyAdditive on MeshSpace

OLD - Anim - Oct 23, 2015

Licensee reported Applied Additive animation with ApplyAdditive node with MeshSpace, but Applied animation is incorrect if applying same with AnimSequence "Base Pose Type" animation to Base pin. H ...

OnRep functions do not fire on the client

UE - Networking - Mar 15, 2015

OnRep functions do not fire on the client. Reproduced in 4.7.2 binary and Main (//depot/UE4/Promotable-CL-2478413) ...

Duplicating a Sequencer causes events from the original sequence to fire when the second Sequencer is ran

UE - Anim - Sequencer - Nov 13, 2018

When using a Sequence that is a duplicate of another, without changing the event names, the duplicate Sequence will still fire off the event from the original even if the values are changed. Changin ...

OnDestroyed event does fire off when using a reference variable to another actor that was applied at runtime

UE - Gameplay - Blueprint - Sep 25, 2015

An actor has a print string that fires off when an actor that it has a reference to is destroyed. This works fine if the actor is in the scene before the game starts. However, if the referenced acto ...

OnUrlChanged does not fire on mobile

UE - Platform - Mobile - Sep 28, 2017

When using On Url Changed event on mobile devices, the event does not appear to fire as expected. Tested on iphone 5 As a note: The function GetUrl appears to be similarly affected. ...

"Support Compute Skincache" throws an Assert for games on Linux

UE - Graphics Features - Apr 16, 2019

After enabling "Support Compute Skincache" in the project settings and packaging a game on Linux, the packaged game will throw an assert. Any setting that turns "Support Compute Skincache" on automa ...

Potential issue with setting the game mode for the first time in a new project (was Print string does not fire the first time a hud blueprint is made in a new project)

UE - Gameplay - Nov 28, 2016

Print string does not fire the first time a hud blueprint is made in a new project. The user has to close and reopen the editor before a print string will fire off in the HUD blueprint (the first ti ...