OnAudioPlaybackPercent Returning Incorrect Start Time of Play node with new Audio Engine

UE - Audio - May 2, 2017

The values returned by the OnAudioPlaybackPercent event node are incorrect when calling a sound to Play with a specific Start Time via blueprint when using the new Audio Engine i.e. AudioDeviceMod ...

Morph Targets broken importing some untriangulated meshes with FBX

UE - Graphics Features - Jun 5, 2017

Morph Targets broken importing untriangulated meshes with FBX ...

Slow response on clicking on InstancedStaticMeshComponent with many elements when using IME

Tools - Aug 7, 2017

When clicking on InstancedStaticMeshComponent with many elements, Editor memory usage increases and editor freezes until the operation is finished. The wait and memory usage get much worse when usin ...

Red 'X' gets displayed for stationary light in blueprint editor

UE - Gameplay - Blueprint - Sep 11, 2017

Stationary light in a blueprint gets displayed with red 'X' in Blueprint Editor viewport after opening the blueprint for the second time. ...

Crash on opening a pose asset after reloading a skeletalMesh with bone name changes

OLD - Anim - Nov 6, 2017

Opening an old pose asset can crash the editor if the skeleton it uses gets updated. ...

Parent Construction Script executes on child when disconnected

UE - Gameplay - Blueprint - Apr 23, 2018

If you create an Actor with Construction Script logic and create a child based on that Actor the Parent Construction Script is being executed even after disconnecting the node. ...

PrecomputedAOMask cannot be used when Virtual Texture is enabled

UE - Graphics Features - Nov 25, 2019

The problem is that when the VirtualTexture lightmap is enabled, the value returned by the material node's PrecomputedAOMask is incorrect. ...

AREnvProbe - App crash on iPad if automatic environment capture is enabled

UE - Platform - XR - Jan 9, 2020

This crash does not occur on iPhone devices. Tested on an iPhone X device. When switching environment capture to manual for iPad, the crash did not occur. ...