I have updated with the website and it has provided current firmware since the creation of the site.
Very well, but heed the warning in red at the top of the site:
IMPORTANT NOTICE: THIS IS ONLY A TEST PROGRAM FROM WYZE. WYZE WILL NOT PROVIDE ANY TECHNICAL SUPPORT FOR THIS SITE. PLEASE DO NOT CONTACT WYZE CUSTOMER SUPPORT FOR ANY ISSUE WITH THIS SITE. THANK YOU!
DONE, just did them all last week.