IBM shows their commitment to IBM i in several ways. The first is the IBM i Strategy and Roadmap White Paper. You can download this directly from the IBM i home page.

Or, you can click this image, key in your contact details, and IBM will send you a link.

Note: A direct link is available.

As of June 2017, IBM shows their commitment to IBM i, RPG, and related development tools with a public letter. You can read it by clicking on this thumbnail.