With Accurate Velocities from Vertex Deformation and Instanced Stereo enabled anti-aliasing does not affect the right eye

UE - Platform - XR - Jul 8, 2016

KevinR: Make sure you are using Temporal AA (TXAA), and I was using SteamVR/Vive With Accurate Velocities from Vertex Deformation and Instanced Stereo enabled anti-aliasing does not affect the righ ...

Crash converting code project 4.7 to 4.8 ; Array index out of Bounds

UE - Gameplay - Blueprint - Jun 18, 2015

Some users are experiencing a crash when converting their project from 4.7 to 4.8. From user reports it appears to be affecting those who have added code to their projects and created blueprints bas ...

4.6.1 to 4.7 conversion crash "Assertion failed: Pin != nullptr ...K2Node_DynamicCast.cpp]"

UE - Gameplay - Blueprint - Feb 25, 2015

Several Users are experiencing crashes on importing a 4.6.1 project into 4.7.0 (Release) Here are the crash reporter links: [Link Removed] [Link Removed] [Link Removed] [Link Removed] [Link Removed ...

SkyLight is not affecting the volumetric fog

UE - Graphics Features - Lumen - Nov 24, 2022

Looks like this behavior was working as expected until 5.1 Preview 2 ...

Certain particle effects in ContentExamples pause when looked at on Mac with Metal

UE - Platform - Apple - Aug 20, 2016

Certain particle effects in ContentExamples stop playing when looked at from a specific angle. The affected demos are 2.1, 2.4, 2.5, and 2.7 Seen on an Nvidia MacbookPro and AMD MacPro Does not o ...

Connections Expand When Using Layered Blend Per Bone Node With Blend Weight Over 2

OLD - Anim - May 9, 2018

When changing to the Blend Weight to a number greater than 2 the connections between nodes starter to blur in the anim graph. Connections become ever more distorted when zooming out of anim graph. ...

Subtracting .2 from a float produces a floating point error

UE - Gameplay - Blueprint - Feb 1, 2016

Subtracting .2 from a float seems to produce a float error, registering incorrect values during if checks. ...

Foliage Instance Static Meshes do not affect the Navmesh

UE - AI - Navigation - Apr 25, 2022

Foliage Instance Static Meshes do not affect the Navmesh. I tried changing the Custom Navigable Geometry to 'Yes' & 'Even if Not Collidable' but got the same results. Repro Rate: 4/4 Tested this i ...

Crash when enabling global logging in 5.4.2

UE - Foundation - Jul 3, 2024

Packaged projects on 5.4.2 (DebugGame) crash immediately on startup when it is opened through the command line using the global logging very-verbose argument. ...

Overridden mesh values are lost when upgrading from 5.5.0/5.5.1 to 5.5.2 on blueprint skeletal mesh components

UE - Anim - Runtime - Jan 30, 2025

This issue is caused by the backout in 38341618.  The original code that went into 5.0 affects serialization by changing the UCS modified properties.  When upgrading, the override is lost because th ...