Renaming a folder that contains a read-only asset from the Sources Panel causes the Content Browser and Sources Panel to desync

Tools - Jan 17, 2019

Renaming a folder that contains a Read-only asset from the Sources Panel causes the Content Browser and Sources Panel to desync. This causes the original folder (which should still exist since the E ...

Left and Right eye render Ambient Occlusion differently

UE - Platform - XR - Jan 18, 2019

Ambient Occlusion appears to render differently in each eye when using the oculus rift. This give the user a cross eyed feeling ...

Niagara System User Parameters Resetting After Closing the Editor

UE - Niagara - Jan 18, 2019

Niagara System user paramemters will reset upon restarting if they are used in a Blueprint. This also occurs to the system if you move the blueprint after making changes then pressing Ctrl+Z.  Foun ...

BumpOffset Node Produces Incorrect Results When Texture Coordinate Index Is Not 0

UE - Graphics Features - Jan 18, 2019

When using the BumpOffset node, it will produce incorrect resultsi if the Texture Coordinate Index is not 0. Found in 4.20 CL# 4369336. 4.21 CL# 4613538, 4.22 CL# 4751672 ...

Incorrect net mode during EndPlay in PIE

UE - Networking - Jan 18, 2019

Actor GetNetMode() can return the wrong value in EndPlay when the PIE world is being shut down. ...

ABSLOG command fails to parse properly if path includes a ) and does not contain a space

UE - Foundation - Core - Jan 22, 2019

A licensee has reported an issue where using ABSLOG results in some parsing issues with certain characters in path names. In this example, the issue is with ). If the Parse function ends up parsing ...

Pause animation does not work at the second preview playback in sequencer

UE - Anim - Sequencer - Jan 25, 2019

This behavior can pause well for the first time playback, but it will not work for the second time. Also, as you touch the seek bar you will be able to pause. ...

Adding a new audio section through python crashes

UE - Anim - Sequencer - Jan 25, 2019

Open OutputLog, switch to python, enter these in: sequence = unreal.AssetToolsHelpers.get_asset_tools().create_asset('blah3', '/Game/', unreal.LevelSequence, unreal.LevelSequenceFactoryNew()) audi ...

WMR native plugin trigger axis not working

UE - Platform - XR - Nov 19, 2018

We are testing the new Windows Mixed Reality native support and have found that the trigger mapping to a button is working, but the trigger mapping to an axis is not, i.e. the event MotionController ...

Invalid Data error when trying to open a new level

Tools - Jan 29, 2019

An invalid data error is given when trying to save all levels. ...