No, iPhones aren't dropping Lightning connectors. Here's what that UAC story really means. - CNET

Several blogs reported that Apple was developing a new "Ultra Accessory Connector" (UAC) that's smaller than USB-C and Lightning, but Apple says it isn't new at all.

from
https://www.cnet.com/news/potential-new-apple-connector-for-accessories-isnt-actually-new/#ftag=CAD590a51e