Ubuntu
https://ubuntu.com/about/release-cycle
JDK
https://www.oracle.com/java/technologies/java-se-support-roadmap.html
Spring Boot
https://spring.io/projects/spring-boot#support
NodeJS
https://nodejs.org/en/about/previous-releases
MySQL
https://dev.mysql.com/doc/refman/8.4/en/mysql-releases.html