There are now mere hours before Apple's Unleashed event, and the Cupertino giant's virtual store has gone offline. Its main page notes it is down for "updates". This may be as good a sign as any that long-awaited upgrades to product lines capable of flying off the shelves are on the way.
https://www.notebookcheck.net/The-Apple-Store-is-down-ahead-of-a-potentially-major-product-announcement.573760.0.html