Fbx Importer: Need to clamp incoming vertex color

UE - Editor - Content Pipeline - Import and Export - Jan 30, 2023

Derived struct data is not copied to Base struct

UE - Gameplay - Blueprint - Feb 19, 2024

The actor Blueprint is intentionally causing an object slice to occur. In other words, we're copying a derived type to a base type, so the expectation is that only the inherited base properties are ...

Morph Target Sets to Zero When Transitioning From 1 to -1 Causing Flickering

OLD - Anim - Jan 16, 2018

-Morph target cycles through all values instead of only alternating between 1 and -1 -Couldn't reproduce in 4.17 -attached a test morph target asset Link to example video from user: [Link Removed] ...

Bug in CurveLinearColor makes colors of Diffraction material white outside curve range, causing rendering artifacts

UE - Texture - May 14, 2025

There seems to be a regression with linear textures (commonly for multi-channel masked textures) in UE5.4. Setting the "Encoding Override" (under Texture > Advanced > Source Color Settings) to "Line ...

Select Node literals not populated when type resolved by connecting a pin

UE - Gameplay - Blueprint Editor - May 4, 2017

When you connect a pin to a select node and determine the type of the wild card pins the other option pins do not have their literal populated. This occurs for enums where no option is select and n ...

Transform Track can't be edited for a empty actor dragged directly from Modes panel

UE - Anim - Sequencer - Oct 27, 2017

This is a remaining case of [Link Removed]. If you drag and drop an empty actor from Modes panel to Sequencer, the actor's transform track can't be edited. ...

Shaders are compiled for Engine on first launch after fresh download

UE - Foundation - Build - Rocket (Installed Engine) - Dec 21, 2016

Engine DDC doesn't appear to be included with fresh install of 4.15 Engine. Upon launching editor for first time, ShaderCompileWorker Process startup and user gets notification shaders are compili ...

Region screenshot doesn't work at runtime

Tools - Mar 30, 2018

Region screenshots taken in runtime do not seem to work while they do work when taken in editor. ...

Mobile Depth of Field Focal Region is broken (not RDG)

UE - Platform - Mobile - May 8, 2020

Result: notice that depth of field exhibits a rendering artifact (see attached screenshot). The PostProcessIntegrateDof pass is rendering to the wrong output dimensions, causing the artifact. This ...

CubeGrid Tool locks editor if cube size is set too small

UE - Graphics Tools - Modeling Tools - Mesh Editing - Mar 1, 2022