No specific info about version 4.1. Please visit the main page of Quartz Debug on Mac Informer.
Info updated on:
Menu bar app for fast switching between Standard & HiDPI...
Offline renderer for Quartz Composer compositions.
Small Cocoa app that checks if the machine is using Quartz Extreme (OpenGL acceleration for Quartz) in Mac OS X 10.2....
This program renders a Quartz composition in a floating transparent window.
QuartzComposerPlayer is a simple full-screen composition player.