"The decision to conclude its sponsorship of Groovy and Grails is part of Pivotal’s larger strategy to concentrate resources on accelerating both commercial and open source projects that support its growing traction in Platform-as-a-Service, Data, and Agile development."

Unless Pivotal is moving away from the JVM (doubtful), I'm surprised they didn't consider Groovy a natural fit for their 'Agile development' category. Groovy + Spock + Gradle makes for a wonderful TDD experience.