Why many remain on Spring Boot 2.7 — and rarely talk about it publicly

▤ Summary

The article explains why many teams continue to run Spring Boot 2.7 instead of moving to Spring Boot 3.x. It highlights upgrade friction around the Jakarta namespace change, Java 17 requirements, dependency compatibility, and testing effort. It also notes that organizations often prefer to keep older systems stable when the existing stack still works. The piece frames the decision as a tradeoff between modernization benefits and the cost and risk of migration.

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