Vertex Animation anti-aliasing improvement

UE - Graphics Features - Jun 2, 2015

A licensee has reported that their vertex animations are leaving a lot of be desired with anti-aliasing. Specifically using vertex animated meshes can leave aliasing remnants behind while it's shift ...

[Datasmith] [Sketchup] Material maps wrong when using colors or applying materials directly to grouped object

UE - Editor - Content Pipeline - Datasmith - Exporters - Sep 30, 2019

The problem occurs when a material gets added to a group inside sketchup directly instead of individual faces before grouping. The materials that are just colors are doing the same thing. This was ...

Gameplay Effects can hold stale references to GameplayTags when switching Gameplay Effect Component type

UE - Gameplay - Gameplay Ability System - Jan 9, 2024

Gameplay Effects can hold stale references to Gameplay Tags when the adding component is switched for a different type. The tags are serialised, and their presence can be confirmed with Reference Vi ...

After closing PIE, Right click dragging is confined to the Viewport bounds

Tools - Oct 27, 2017

After holding any mouse button down and pressing escape to quit the game, using the right mouse button to move in the viewport locks it to the left and right bounds of the viewport. Sometimes moving ...

Child component will lose scale information if parent scale is set to 0 temporarily

UE - Gameplay - May 9, 2019

Datasmith Scene actor that is a Child will be unlinked from scale changes if parent scale is set to 0 ...

Motion Controller Axis input values over scale in increments of 2

UE - Platform - XR - Jan 8, 2020

The Axis input values for SteamVR motion controllers will increase exponentially by 2 from the moment the editor starts and every time the user enters VR Mode or does a Launch On (eg. Entering VR Mo ...

Lighting on Paper 2D Tile Maps is Broken

UE - Graphics Features - May 8, 2018

In 4.18.3 this feature is working. In 4.19.2 the feature is broken. Per User: Half of the Lights Cone or Sphere will properly interact with the TileMap as intended, the other half will not for wha ...

Duplicating a blueprint that implements an interface and then removing that interface will cause compile errors that don't occur if the interface was removed from the original BP

UE - Gameplay - Blueprint Editor - Aug 1, 2020

See steps to reproduce. Looks like the fixup when saying Yes to "Would you like to transfer the interface functions to be part of your blueprint" doesn't work correctly on the duplicated BP. Inter ...

AnimNotifies get reproduced more times than expected.

UE - Anim - Sep 3, 2024

When setting an AnimNotify to an AnimationSequence, this AnimNotify can be triggered multiple times when only set once. This issue only happens when the mentioned AnimationSequence that contains the ...

Dithered LOD transitions do not work when the camera's field of view changes

UE - Graphics Features - Jun 12, 2025

Dithered LOD transitions do not work when changing the camera's field of view and cause artifacts when both the FOV and camera distance to the object are changed simultaneously. ...