Datasmith Importer stalls Editor when importing large Rhino files

UE - Editor - Content Pipeline - Datasmith - Importer - Oct 15, 2018

Importing large Rhino files will cause the Editor to stall during the import process for a long time. When testing the attached file the Editor stalled close to an hour with no results. The attached ...

Oculus Avatar Plugin fails to package on Oculus Mobile

UE - Platform - XR - Feb 22, 2019

Does NOT occur in 4.23 MAIN @ CL 5035898 Deleting Engine\Plugins\Runtime\Oculus\OculusAvatar\Intermediate did not resolve error. Warnings that are also present in 4.21: LogShaderCompilers: Warnin ...

GetKnownPerceivedActors doesn't stop calling when specified AISense should be forgotten

UE - AI - Mar 17, 2019

There is a difference in implementation and set of checks that are made in GetKnownPerceivedActors() depending on if you use specific SenseClass or leave it as nullptr (so it will return info for al ...

Noise Node Fails to Compile With Voronoi Noise if Ray Tracing is Enabled

UE - Graphics Features - Jul 19, 2019

Noise Node Fails to Compile With Voronoi Noise if Ray Tracing is Enabled.  Working as expected in 4.22 CL# 7053642 Found in 4.23 Preview 2 CL# 7321677 and 4.24 CL# 7437539 This is a regression   ...

Incorrect Manual Focus Distance from eye dropper

UE - Anim - Sequencer - Oct 17, 2019

The Debug Focus Plane in the CineCameraActor does not appropriately respond to mouse input and position when the Manual Focus Distance is set using the eye-dropper. Tested in 4.21.2 (CL - 4753647), ...

Editor Shortcuts stop working if the editor is launched with a non-Latin-based language

Tools - Nov 4, 2019

Editor shortcuts will not work if you launch the editor with a non-Latin-based language (ex. Russian, Chinese).  The editor must be closed and restarted with English (or possibly any Latin alphabet- ...

Spline don't deform landscapes in certain setups

UE - LD & Modeling - Terrain - Landscape - Dec 26, 2019

The splines do not deform the landscape when the path is made with a straight spline. When you move a spline point to bend the road it will deform the landscape, but the deformation accuracy seems t ...

fbx attribute curve import do not support correctly tangent at the start end end of the curve

UE - Editor - Content Pipeline - Import and Export - Sep 2, 2020

We are not reading all the key flags and we do not import correctly start key and end key tangent. I create a shelve but this is not the complete fix, we must do this only if we do not have fbx ket ...

Editor will crash when Blueprint Details Panel is dragged across the Event Graph

Tools - May 6, 2015

When dragging the Details Panel in a Blueprint across the event graph the editor will crash. [Link Removed] ...

Crash when creating new projects or converting copies of old ones in Japanese

UE - Editor - UI Systems - Slate - Dec 4, 2014

There's a crash in FCharacterList::GetKerning() when using the editor in Japanese that is apparently fixed in one of these three changelists: CL# 2370014, 2370050, and 2370040 But they were not ...