z/OS - Group home

z/OS Announcements


IBM z/OS 3.1 Announcements

The new version of z/OS® is an AI-infused, hybrid cloud operating system built for the next generation of computing. With new and enhanced features created collaboratively with key enterprises, z/OS 3.1 is designed to be a resilient, secure, and simplified platform for the future of industry’s most critical workloads.

Below is a list of all z/OS 3.1 release and continuous delivery announcements. Please note: these quarterly deliverable announcements are now be published through the z/OS Community page. To stay up to date, we encourage you to 'Join the Community’ to ensure you don’t miss an announcement!


IBM z/OS V2.5

IBM z/OS, Version 2 Release 5, was announced on July 27, 2021 and was made generally available on September 30, 2021. This new release enables innovative development to support hybrid cloud and AI business applications. This is accomplished by enabling next-generation systems operators and developers to have easy access and a simplified experience with IBM z/OS, all while relying on the most optimal usage of computing power and resources of IBM Z servers for scale, security, and business continuity. With a continuous delivery model, new z/OS capabilities are available each quarter with no impact to stability, complexity, or costs. 

Below is a list of all z/OS V2.5 release and continuous delivery announcements: