The practical answer is that you go and look at a project's release history at its primary repo. I don't know of a good way to browse all apache projects by li

The practical answer is that you go and look at a project's release history at its primary repo. I don't know of a good way to browse all apache projects by livelihood though. The closest thing I know of to keep track of Apache projects overall is this: https://lists.apache.org/list.html?announce@apache.org https://lists.apache.org/list.html?announce@apache.org But just eyeballing that really quick I can see it's not authoritative, because a new version of Apache Spark just came out and isn't announced there. https://spark.apache.org/news/index.html https://spark.apache.org/news/index.html There is also this, but it's very cluttered with submodules, but it does appear more authoritative. https://projects.apache.org/releases.html https://projects.apache.org/releases.html