Amazon debuted a more sophisticated version of Alexa on Wednesday that’s more conversational and can handle tasks on your behalf. But in a surprising departure from its usual playbook, the company didn’t announce new Echo devices to go with its revamped digital helper.

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, according to the Alexa Plus FAQ page, though Amazon says they will continue to work with the standard Alexa.