Google is allowing users to change their Gmail address, per official Google support doc — experimental @gmail feature rolling out in India first, no official announcement yet

https://www.tomshardware.com/software/google-workspace/google-is-allowing-users-to-change-their-gmail-address-as-per-official-google-support-doc-experimental-gmail-feature-rolling-out-in-india-first-no-official-announcement-yet