Explore key insights from implementing and trialing 5G optimization applications as xApps on the near-RT RIC in this informative conference talk. Delve into simulations, lessons learned, subscriptions, and implementation details presented by Thoralf Czichy from Nokia and Matti Hiltunen from AT&T. Gain valuable knowledge about the Recap Project, community involvement, academic collaborations, and the Release D Use Case. Discover the potential of Machine Learning xApps and the Bouncer xApp, and understand the outcomes of real-world trials in the evolving 5G landscape.