Use Mouse for Touch leads to fire Released and Clicked with Pressed at the same time for UMG Button

UE - Editor - UI Systems - Nov 23, 2018

Pressed, Released and Clicked should be fired in the same manner w/wo Use Mouse for Touch option. These three events are fired at the same time when enabling the option. [Image Removed] ...

UForceFeedbackEffect is only making slight vibration in iOS when value rises from 0 or effect is started.

UE - Platform - Mobile - Jun 11, 2019

UForceFeedback is expected to give vibration just like in the graph of the asset. But only in iOS it is not. It is expected to give continuous vibration following the forcefeedback asset, but only ...

Crash on packaged game. 4.23 will not nativize a class that creates instanced properties inside itself

UE - Gameplay - Oct 1, 2019

Description from the user: up to 4.23 properties nativize normally if they are written in C++ with the Instanced specifier. The discerning difference is that that there was no Blueprint Class itsel ...

Steam VR client crash when connecting to Server

UE - Platform - XR - Jan 6, 2020

Client crashes when connecting to server on Vive. Did not reproduce with Oculus Rift. ...

Reroute nodes in blueprints cause visual issues for events when using create event.

UE - Gameplay - Jul 25, 2016

When adding a reroute node between a "create event" node and any "Bind Event to...." node, the combo box list in "Create Event" node will disappear. Workaround: If the "create event" node is first ...

[MetaSounds] - Changes to Sort Order do not undo/redo as expected

UE - Audio - MetaSounds - Nov 15, 2022

Changes to the sort order do not revert the order of inputs on a node when undone. It will change if the node is refreshed or the graph is saved, however. ...

Unreal Editor 5.4.4 crash when reproducing a LevelSequence in loop while PIE.

UE - Anim - Sequencer - Sep 9, 2024

A crash inside Unreal Engine Editor version 5.4.4 occurs when reproducing a Level Sequence while in PIE. This issue is a regression. It only crashes in version 5.4.4. It was working correctly in ver ...

Lumen ignores Landscape Holes (Landscape Visibility) when Hardware Ray Tracing is enabled and Ray Lighting Mode is set to Surface Cache

UE - Graphics Features - Ray Tracing - Jan 31, 2025

Context Lumen is the default global illumination and reflections system. Lumen renders diffuse interreflection with infinite bounces and indirect specular reflections in large, detailed environments ...

TRASH_Comp in Octree that missing unregister

UE - AI - Navigation - Feb 25, 2025

the reproduce video and project are in the slack links: Slack Link: [Link Removed] ...

Network Prediction crash when smoothing service instance data is reallocated out from under FNetworkPredictionStateView

UE - Gameplay - Network Prediction - Apr 4, 2025

Received a report from a licensee using Network Prediction Plugin and Mover.  There is a strong likelihood of a crash occurring when using NPP's smoothing option and spawning new NPP-simulating ins ...