This IBM Support web page is where you can start for more information about IBM i OpenSSH and OpenSSL.
This is the Technology Updates landing page for IBM Cloud Storage Solutions for i.
Thie IBM Support page lists the technology refresh levels and related technology refresh group PTF level for the latest IBM i releases.
This link takes you to the web page for the IBM Power Systems Technical Webinars. You can find information about upcoming webinars as well as replays for past sessions. This is a great resource to keep current on the latest technical topics. The webinars are informal and have a focus on how-to, how-it-works, best practice, and hints and tips.
This BRMS Wiki page has all the latest information for BRMS. Backup, Recovery & Media Services for i is the IBM strategic solution for planning and managing the backup of IBM I servers.