Like other Java enterprise tools, Tomcat has migrated from the original Java EE specification to Jakarta EE. Tomcat 9 and earlier were based on Java EE; Tomcat 10 and later are based on Jakarta EE.
Even as a mid-level API ensconced in modern UI component-based Web frameworks and Web services technologies, the incoming Servlet 3.0 specification (JSR 315) will have groundbreaking impact on Java ...