Enjoy your favorite videos and channels without ADS and with Background Play on this YouTube app.

YouTube Vanced is the stock Android YouTube app, but better! Includes adblocking, true AMOLED dark mode, and a lot more.
Features:
No-root needed to install
No need to uninstall official YouTube, can install as a secondary YouTube.
Works on a Chromecast.
Whole new ad blacking method
Simplified mod to enable background playback
Enable/Disable background playback via Settings
Force VP9 Codec option for better video quality and lesser bandwidth usage (Settings -> IYTBP Settings)
Override Max Resolution Limit (Settings -> IYTBP Settings)
Preferred Video Quality switch (WiFi/Data) (Settings -> IYTBP Settings)
Enable/Disable Info Cards on videos (Settings -> IYTBP Settings)
Enable/Disable Suggestions Cards on videos (Settings -> IYTBP Settings)
Enable/Disable channel branding watermark on videos (Settings -> IYTBP Settings)
Pinch to zoom enabled on all devices
With the help of modded microG, Login & Casting works with all features (no ads on external devices not guaranteed)