Released over a decade ago, WAS 8.5 didn’t just patch security holes; it acknowledged that the world was moving toward cloud, DevOps, and rapid iteration. If you are still running it (yes, many of you are), or if you are planning a migration to Liberty or Open Liberty, it is worth understanding why this version was a classic.
Looking back at the version that introduced Liberty Profile and changed how we think about middleware. ibm was 8.5
Why IBM WAS 8.5 Was the “Liberating” Release for Enterprise Java Released over a decade ago, WAS 8
Here is the breakdown of why WAS 8.5 mattered. Before 8.5, WebSphere had a reputation (fair or not) for being a resource hog. It was the "full profile"—powerful, but slow to start. You didn't spin up WebSphere for a unit test; you deployed once a week. Why IBM WAS 8
Did you move to Liberty, or are you still running traditional on z/OS? Let me know in the comments below. Disclaimer: This post is for historical and educational purposes. Check IBM’s official support lifecycle for your specific version before planning any migration.