Spring I/O 2026 - Recap
Spring I/O is one of the most important events for Java and Spring developers.
The 2026 edition happened in Barcelona (April 13–15) and brought what we expected: strong updates in Spring and a big focus on AI.
If you don’t have time to watch everything, here are the talks worth your attention.
🍃 Spring Boot 4 in Practice
Spring Boot 4 continues the same philosophy: developer productivity first, now with even broader capabilities.
If you want a quick overview, watch this session from Josh Long:
👉 Bootiful Spring Boot 4 — Josh Long
🤖 AI Is Now Real for Java Developers
AI was a central theme across multiple talks:
Comparing Agentic AI Frameworks for Java by Timo Salm / Sandra Ahlgrimm
Spec-driven Development: How AI Changed Everything (And Nothing) by Simon Martinelli
▶️ Watch the Full Event
If you want to go deeper, you can watch all sessions here:
Conclusion
Big tech events are focusing more and more on AI, and Spring I/O 2026 clearly shows this trend.
If you want to stay relevant as a Java engineer, it’s important to keep learning how AI is being used in real applications. Spring I/O has many talks that can help you with that.
Have you attended the event or watched any sessions?
Share your opinion, and any talks you enjoyed.