Crash editor when open the level sequencer after updated 4.20

UE - Anim - Sequencer - Jan 8, 2019

When migrating from the version before 4.20 to the version after 4.20, opening the level sequencer will crash. I think that there is a problem with conversion from SnapTimeInterval (FixedFrameInterv ...

Skylight does not honor the Visibility settings when hidden

UE - Graphics Features - Sep 19, 2016

The Skylight actor cannot be disabled when using 'Hide' from the right-click context menu or using the visibility eye icon in the World Outliner. ...

Dark Artifacts Appear On Meshes With "Use As Occluder" After Enabling DBuffer Decals

UE - Graphics Features - Feb 13, 2017

Objects set to "us as occluder" will create dark artifacts from certain view angles. For this to occur "DBuffer Decals" need to be enabled in the project settings. The licensee has noted that addi ...

Audio tracks with multiple subtracks will paste parent track when a subtrack is copied and pasted in Sequencer

UE - Anim - Sequencer - Aug 8, 2019

Copying and pasting audio subtracks will paste the parent track and its subtracks not just the selected subtrack. ...

Decals can't use TransformLocalPositionToWorld material node

UE - Graphics Features - Jun 1, 2021

Likely we just need to create a new macro to enable TransformLocalPositionToWorld and TransformLocalPositionToPrevWorld in alternative use cases such as this. ...

Contact offset multiplier no longer working

UE - Simulation - Physics - May 10, 2019

Changes in physics code have caused rolling objects to behave differently. https://forums.unrealengine.com/development-discussion/content-creation/50364-rolling-ball-jumps-on-flat-surface Conf ...

GenerateVisibileRayTracingMeshCommands Severely Reduces Foliage Performance Even if no RayTracing is Used

UE - Graphics Features - Lumen - Sep 18, 2019

GenerateVisibileRayTracingMeshCommands Severely Reduces Foliage Performance Even if no RayTracing is Used. Found in 4.23 CL# 8386587 and 4.24 CL# 8748719 ...

Landscape smooth and flatten tools deform the terrain incorrectly

UE - Graphics Tools - Terrain - Landscape - May 25, 2022

The Landscape smooth and flatten tools can deform the landscape incorrectly causing chunks of the landscape to be removed (see attached image). ...

Setting World to Meters in the World Settings to a large number will cause the console to show incorrectly in VR

UE - Platform - XR - Jan 4, 2016

If the User changes the "World to Meters" setting in the World Settings this will cause the console to appear offset when brought up in VR. Note: the number used was 3600 ...

Material billboards cannot be scaled

UE - Graphics Features - Oct 17, 2016

Material billboards cannot be scaled. The Material billboard appears to be unaffected by setting its scale ...