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Spring Boot 4.1.0 brings two practical upgrades: lazy JDBC connection fetching and first-class gRPC support. 🚀 🔸 TL;DR Spring Boot 4.1.0 can reduce avoidable JDBC pool usage and makes gRPC a native Boot experience—from generated code to security, observability and testing. 🔸 1. FETCH JDBC...

During the DevLille 2026 conference in Lille, I interviewed several Java developers and tech professionals with one simple goal: collecting authentic and spontaneous insights from the Java ecosystem. ☕🎤 The result became “Ask a Lille Dev”, a mini podcast made of short interviews recorded...

Implementing your own authorization server is more than adding a login page. You need to understand clients, OAuth 2.0 grants, token signing, refresh-token management and the security responsibilities that come with them. 🔸 TL;DR ▪️ Use Authorization Code with PKCE for public applications....