Dive into Ubuntu development with this comprehensive one-hour tutorial that covers essential topics for aspiring contributors. Learn about release-critical bugs, source packages, test builds, and the importance of request sinks. Explore the intricacies of the review process, including sponsor QA and merge reviews. Gain valuable insights into Ubuntu's development workflow and discover how to effectively contribute to the project. Perfect for beginners and intermediate developers looking to enhance their skills in open-source development.