Dev Tools · 2h ago
Spring Boot 3.5 EOL Looms June 30 with 115 Breaking Changes
Spring Boot 3.5 and Spring Framework 6.2 reach end of community support on June 30, 2026, leaving users without security patches. The upgrade to Spring Boot 4 introduces over 115 breaking changes, including Jackson 3 migration and Undertow removal. Teams face a weeks-to-months migration effort or must consider alternatives like Solon 4.0.
Meridian48 take
The article's promotion of Solon 4.0 as a drop-in replacement downplays the real migration cost and ecosystem lock-in risks.
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Spring Boot 3.5 EOL Is Coming June 30: 115 Breaking Changes and Why Solon 4.0 Won't Care →
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