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OpenJ9 Version 0.40.0 released
(eclipse.dev)
For discussing Java, the JVM, languages that run on the JVM, and other related technologies.
When your jvm vendor is IBM? I don't see other reasons. OpenJ9 had quite good polyglot vm Platform. I am not sure how well it is now compared to the Oracle GraalVM. As a Singular developer you don't really care about your jvm vendor. Maybe if you already have a lot of IBM specific tooling OpenJ9 will be a nice choice.