Alexa Plus is here but it's only supported by four Echo products as of now, and won't be supported by more than half a dozen Echo devices.

Amazon is bringing the new AI-powered Alexa Plus to a wide range of its existing Echo devices — but the upgrade will skip many of the earliest models. The majority of the company’s first-generation Echos won’t get support,

Amazon's new and improved version of Alexa is called Alexa+. The next-generation upgrade is more conversational, can execute complex tasks, and is more personalized.