Are you interested in File Master Plus' modern mainframe data display and manipulation user interfaces? If the answer is YES, then I recommend reading a new blog post on this topic by Sudeep Chaurasia an me. It covers everything from installation to usage for the File Master Plus' Visual Studio Code Data Editor for Mainframe Extension and the Eclipse plugin.
The new Medium blog post is available at:
File Master™ Plus' Modern User Interfaces in a Nutshell