IS THIS A NEW SECRET CODE?

So is this actually new? Or has this been in the game for a long time? And will this be a code for a future update!Thanks to JamesZealous for being a channel

WhatsApp Enhances Privacy with New Secret Code Feature for Chat Protection

WhatsApp new feature: WhatsApp working on new 'Secret Code' feature to add personalised password support for locked chats; here's how it works - The Economic Times

6 Secret Codes for Kids

New WhatsApp feature launched! Now, secure locked chats with a secret code this way

Secret Codes Hidden in Royal Australian Mint's New 50 Cent Coin - Star Mackay and the Whitsundays

WhatsApp's new Secret Code lets you add an extra layer of security for your locked chats

Secret Codes, The Latest Privacy Feature Of WhatsApp

How to Create Secret Codes and Ciphers: 15 Fun Ideas

Brand New and Shrink Wrapped - Includes Both Sets A and B - All reasonable offers are accepted.

New SECRET CODE CARDS SETS A & B - Grades 2 and 3 - Math Expressions - Sealed