Spring v5.1.20.RELEASE, v5.2.12.RELEASE and v5.3.2 has been released.
Link: https://github.com/spring-projects/spring-framework/releases/tag/v5.1.20.RELEASE
Link: https://github.com/spring-projects/spring-framework/releases/tag/v5.2.12.RELEASE
Link: https://github.com/spring-projects/spring-framework/releases/tag/v5.3.2