Spring I/O 2026 is just around the corner, and the energy is already electric. Next week, the global developer community descends on beautiful Barcelona for two days of deep dives, networking, and a first-hand look at the future of the Spring ecosystem.
The Spring team is arriving in force, ready to showcase the latest and greatest innovations. Whether you’re interested in the new features of Spring Boot 4, want to discover the power of Spring AI, or master observability, we have you covered.
Beyond the sessions, our team will be roaming the halls and hanging out at the booths. Stop us for a chat, a selfie, or to debate the best way to structure your latest project!
Here’s your schedule for the must-see sessions from our team:
April 14th
11:00 - 11:50
- Bootiful Spring Boot 4 - Josh Long
- Hybrid Modernization: Combining OpenRewrite's Precision with LLM Intelligence for Spring - Raquel Pau
12:00 - 12:50
- The Spring AI Ecosystem in 2026: From Foundations to Agents - Christian Tzolov, Dariusz Jędrzejczyk, Dr. Mark Pollack
- Domain-centric? Why Hexagonal- and Onion-Architecture are answers to the wrong question - Oliver Drotbohm
14:00 - 14:50
- Null-safe applications with Spring Boot 4 - Sébastien Deleuze
- Comparing Agentic AI Frameworks for Java - Timo Salm
15:00 - 15:50
16:30 - 17:20
17:30 - 18:20
April 15th
9:00 - 9:50
10:00 - 10:50
- The Joy of Queries - Mark Paluch
- Inside Spring Boot 4: Restructuring for the Future - Moritz Halbritter
11:30 - 12:20
- Concurrency and Streaming in the Age of Loom - Dariusz Jędrzejczyk, Rossen Stoyanchev
- From Completions to Goals: AI Agents with Spring AI - Dr. Mark Pollack
12:30 - 13:20
- Bootiful gRPC - Dr. Dave Syer, Josh Long
- Idiomatic Kotlin applications with Spring Boot 4 - Sébastien Deleuze
- REST is for Agents: Rediscovering Spring HATEOAS - Adib Saikali
14:30 - 15:20
- From Assistants to Agents: Self-Improving Agentic Systems with Spring AI - Christian Tzolov
- Demystifying the Agentic Loop: Building Safe, Server-Driven Agents with Spring - Adib Saikali
17:00 - 17:50
Also keep an eye out for David Caron, Neven Cvetkovic, and Oded Shopen who will also be representing Spring at the event. Be sure to say hi!
We can't wait to see you all there, share knowledge, and celebrate the incredible Spring community. If you haven't yet, make sure to check out the full Spring I/O schedule.
Safe travels, and see you in Barcelona! 🇪🇸✨