GitHub Universe, starting on Tuesday, September 13, at Dogpatch Studios, offers a day of specialized training for GitHub power users and DevOps specialists, accessible through a general conference ticket. The sessions for power users include topics like initiating InnerSource transformations, exploring the GitHub API, and mastering Git to handle mistakes effectively. The DevOps track covers implementing CI/CD pipelines with GitHub, optimizing integrations with tools like Heroku, ZenHub, and Snyk, and enhancing organizational transparency and security through ChatOps with Hubot. Additionally, attendees have the opportunity to engage with GitHub experts at the Ask Services booth on September 14-15 for personalized advice, available on a first-come-first-served basis.