nilog:

うーん、めんどそう。。。

「The recommendation for libraries depending on Spring Framework 7 is to define the same baseline with Kotlin compiler options apiVersion=2.2 and languageVersion=2.2 to not accidentally break the compatibility when upgrading the Kotlin version.」

Next level Kotlin support in Spring Boot 4 https://spring.io/blog/2025/12/18/next-level-kotlin-support-in-spring-boot-4

うーん、めんどそう。。。

「The recommendation for libraries depending on Spring Framework 7 is to define the same baseline with Kotlin compiler options apiVersion=2.2 and languageVersion=2.2 to not accidentally break the compatibility when upgrading the Kotlin version.」

Next level Kotlin support in Spring Boot 4 https://spring.io/blog/2025/12/18/next-level-kotlin-support-in-spring-boot-4