Unreal Engine Issues
Unreal Engine Issues
GearVR trackpad quadrant buttons not detected in TM-MotionControllers
UE - Platform - XR - Jul 12, 2017Using the TM-MotionControllers map as a test for GearVR, the 4 buttons in the trackpad quadrants of the bluetooth controller don't register via the blueprint. This issue did not occur on Vive at th ...
SaveGame data does not correctly save the value of elements in an int array when the elements are initialized with RandRange() and then set to a known value
UE - Gameplay - Aug 28, 2018After using FMath::RandRange() to initialize elements of an int array in a SaveGame class and then setting all of the values of the array to 0 before using UGameplayStatics::SaveGameToSlot() to save ...
Chaos Trailing Events not exposed to Blueprints and only accessible via Niagara Chaos DI
UE - Simulation - Physics - Destruction - Apr 22, 2025Chaos Trailing Events not exposed to Blueprints and only accessible via Niagara Chaos DI. The licensee noticed that the Trailing event is not available to BPs. It's expected that the same data avail ...
Component tags do not register on actors
UE - Gameplay - Oct 30, 2015Component tags do not register when checked within blueprints. ...
FPS drop (present time increase) when moving the editor windows to secondary screens
UE - Rendering Architecture - RHI - Apr 29, 2022The licensee has mentioned that they also see an FPS drop without a second monitor, so this can happen just by separating windows out on the same screen. ...
Widget interaction component appears fail when moving at high speeds
UE - Editor - UI Systems - May 4, 2017Widget interaction component appears fail when moving at high speeds In this example: The user cannot click button that require the widget interaction component to become perpendicular to the cur ...
ES3.1 preview causes temporary freezing when selecting objects in the viewport on Mac
Tools - May 3, 2019The editor will freeze for seconds at a time when selecting between objects in the viewport after using ES3.1 preview on a Mac. ...
Uniform Static Mesh Sampling doesn't work on GPU Niagara Emitters
UE - Niagara - Aug 11, 2020Uniform sampling of static meshes for GPU emitters does not work. ...
[Reverb][Regression] - The Reverb Effect in World Settings Does Not Update When Loading New Levels
UE - Audio - Mar 12, 2021When loading a new level via the Open Level node in Blueprints, the World Settings do not update the Applied Reverb Effect. When trying to reproduce the issue in 4.25.4, issue did not occur (the r ...
Scroll off set for "Scroll box" is incorrect after scrolling with the mouse wheel
UE - Editor - UI Systems - Sep 2, 2015If the user uses a scroll box and then get the offset of the scroll box it will read correctly until the user uses the mouse wheel to scroll down. The scroll offset will then read lower than the act ...