Changelog
2.3.7 : 2px white line in the top has been removed
2.3.6 : fixed : crash due to absence of .config directory
2.3.5 : pytube is now optional
2.3.4 : useragent changed to fix youtube lags
2.3.3 : pytube updated
2.3.2 : added : copy url button in history dialog
Download the AppImage below, mark it executable and double click to run Quartz Browser.
No dependencies required.