What does Caixa De Correio look like on Messenger?

On Messenger it is the design shipped in 1.0, shown above at full size. Older revisions are listed beneath it.

When did Messenger add Caixa De Correio?

Messenger first drew Caixa De Correio in 1.0, released 1 de junho de 2016.

Meta Platforms, Inc. has shipped 1 version of Caixa De Correio. Each is dated, so you can see when the design changed.

Messenger

Meta Platforms, Inc. has drawn Caixa De Correio once. Every revision Messenger has shipped is below, newest first.

What does Caixa De Correio look like on Messenger?: On Messenger it is the design shipped in 1.0, shown above at full size. Older revisions are listed beneath it.
When did Messenger add Caixa De Correio?: Messenger first drew Caixa De Correio in 1.0, released 1 de junho de 2016.
How many times has Messenger redrawn Caixa De Correio?: Meta Platforms, Inc. has shipped 1 version of Caixa De Correio. Each is dated, so you can see when the design changed.