The meaning of "vaporware" has evolved over time. It originally referred to software or hardware products that were announced or promised to be released, but never actually materialized or were significantly delayed. However, as technology and the pace of innovation have accelerated, the definition of vaporware has broadened to encompass any product or service that is promised or rumored, but has not yet been released. As a result, the word is now sometimes used more broadly to refer to things that are not currently available, even if they are in development and likely to be released in the future.

-- Courtesy of ChatGPT