If you have an active license or specific maintenance needs, you can still access files through official IBM portals:
: Significant code improvements reduced contention, leading to better multi-processor scaling. User Experience Pros & Cons
: Improved message metadata handling and scalability, particularly on z/OS, ensuring high availability for mission-critical apps. Performance on Distributed Platforms
Since 7.1 is deprecated and lacks modern security features, consider these options: IBM MQ Advanced for Developers