Can't import FBX animations

Tools - Jul 23, 2018

When importing Animation FBX files into 4.20 the following error is received: "Failure to Import - Mesh contains root bone as root but animation doesn't contain the root track." The importing proce ...

Physics replication is not working correctly and clients receive different results

UE - Simulation - Physics - Aug 9, 2018

Physics replication is not working properly. The replicated physics are different than what is on the server. The user who reported this issue pointed out this line as well which seems to not do any ...

All ELinearConstraintMotion pins in BP reset to "Free" when converting a project to 4.26

UE - Simulation - Physics - Feb 24, 2021

When using any of the Set Linear Limit nodes (X/Y/Z) and converting a project from a previous version of the engine, the nodes get their Constraint Type value reset to Free. I tested this with proje ...

Game View renders Lights with Actor Hidden In Game enabled

UE - Graphics Features - Dec 6, 2022

This is not a regression. Tested in both 4.27.2 and //UE5/Release-5.0 CL20979098 Game View renders Lights with Actor Hidden In Game enabled. Documentation states: "...the Viewport to display the sc ...

Spherecast against complex geometry is returning odd results

UE - Simulation - Physics - Sep 19, 2023

Turning on batching of sphere casts when colliding against complex gives incorrect results. Affects debug output and vehicle wheels and body movement. The issue is with the batch query mode which ...

Camera Shake Oscillation Duration no longer accepts -1 as indefinite

UE - Gameplay - Jul 30, 2015

The Camera Shake Class no longer allows for indefinite shaking via setting a negative value in the Oscillation duration, per the tooltip instructions. This happens when using either the Play World ...

'HighResShot 2' is not taking a screenshot for a packaged project

UE - Graphics Features - Mar 19, 2015

When you attempt to take screenshot in a packaged project with the Console Command 'HighResShot 2'. This command works in editor but not in a packaged project. Issue with packaging in Main CL# 248 ...

Changing the directional light from stationary to movable causes the mobile preview to show dark

UE - Graphics Features - Nov 5, 2014

When Changing the Light source in the Sci Fi Hallway from stationary to movable, the room will become dark on Mobile preview. ...

Crashing when attempting to open a Room blueprint in a users project

UE - Gameplay - Blueprint - Jan 28, 2015

A crash is occurring in this users project when you open one of the Room Blueprints in the users project. Unable to recreate unless using the users project. Crash Reporter: [Link Removed][Link Re ...

Auto Reimport of FBXs saved out from Maya 2015 Fail

UE - Editor - Content Pipeline - Import and Export - Mar 10, 2015

FBX assets which are reimported after being successfully imported using the auto import feature (saving the FBX to the Content Folder) are failing to apply changes made to the mesh in Maya 2015, Use ...