Say "Hello" to Display Names!

[BloxzBox (BLOXZ)]

Yes. As stated in the post, your username will still exist, just with an @ next to it. Display Names will be what is mostly seen around Roblox, however.

@be_nj

Usernames are globally unique names that can be used to precisely identify an account. They’re what you use to log in, and they’re used to identify the “real” you. After Display Names are rolled out, your username will be prefixed with an ‘@’.