Importing skeletal mesh with LODs and no animations generates additional skeleton and physics assets

Tools - Jan 13, 2017

Does not occur in 4.14.3 binary or 4.16 perforce. Occurs in both P4 and Binary builds of 4.15. Only occurs with Import Mesh LODs enabled and Import Animations disabled. ...

Keying the Spawned Property of a Spawnable Breaks in the details panel

UE - Anim - Sequencer - May 18, 2017

The spawnable mesh seems to be breaking when their spawned property is altered. If you uncheck the spawned property in Sequencer, the Details panel also breaks similar to keying the property. This ...

Class viewer does not save filters when closed

Tools - Jun 16, 2017

Regardless how the filters are set in the Class Viewer window, closing and reopening the window causes the filters to be reset to the default options. Regression: No - this behavior exists in 4.15. ...

Setting Sky Distance Threshold to 0 in a Skylight does not disable the light

UE - Graphics Features - Jul 11, 2017

When setting the Sky Distance Threshold to 0, the skylight in the level appears to make the level brighter instead of disabling the added light. This does occur in 4.16.2 and 4.15.3 ...

Animation Track in Shot Does Not Animate With Evaluate Sub Sequences In Isolation Enabled

UE - Anim - Sequencer - May 15, 2018

When Evaluate Sub Sequences in Isolation is enabled in a shot, other shots inside the same sequences only play the transform track and do not play their animation track Does not affect 4.18.3 Relat ...

Bound Variables In UMG Are Deleted As Unused If Not Used In The Graph Window

UE - Editor - UI Systems - Mar 18, 2020

If a variable is bound in the Design Window of a User Widget asset it will be deleted if you use the menu option "Delete all unused variables". Found in 4.24.3 CL#11590370 Reproduced in 4.23.1 CL#9 ...

Meta Quest - Visual Artifacting in right eye with Lumen enabled and effects quality set to High

TM - VR - May 9, 2025

Reported in SF [Link Removed] On Meta Quest headsets, when Lumen is enabled for VR, setting the Effects Quality to High can cause visual artifacts to appear in reflections in the right eye of the h ...

Assets containing TSet or TMaps fail to Nativize

UE - Gameplay - Blueprint Runtime - Dec 12, 2016

Multiple compile failures while attempting to nativize the QABP_Containers asset in QAGame. Errors:[2016.12.12-15.20.04:831][486]UATHelper: Packaging (Windows (64-bit)): xgConsole: QABP_Containers_ ...

Certain dropdowns in the Menu Bar are missing sections on Mac when expanded

UE - Platform - Apple - Apr 25, 2017

This only affects certain dropdowns and only occurs when the editor is open. Also occurs in 4.15.2 This has been seen on the following macs:AMD R9 M395 iMac running Sierra 10.12.5 ...

Trigger Volume Blocks First-Person Template Projectile

UE - Simulation - Physics - Nov 2, 2015

When playing in editor, if you fire your weapon at a trigger volume, the projectiles will bounce off of the volume, regardless of the fact that the collision is set to Query Only. This collision als ...