What does Botão De Voltar look like on Facebook?

On Facebook it is the design shipped in 16.0, shown above at full size. Older revisions are listed beneath it.

When did Facebook add Botão De Voltar?

Facebook first drew Botão De Voltar in 2.0, released 20 de fevereiro de 2017.

Meta Platforms, Inc. has shipped 12 versions of Botão De Voltar. Each is dated, so you can see when the design changed.

Facebook 14.0

This is the design Facebook introduced in 4.0, shipped again unchanged. It was not redrawn for this release.

✳ marks a release that redrew this emoji. The rest re-shipped the design unchanged.

What does Botão De Voltar look like on Facebook?: On Facebook it is the design shipped in 16.0, shown above at full size. Older revisions are listed beneath it.
When did Facebook add Botão De Voltar?: Facebook first drew Botão De Voltar in 2.0, released 20 de fevereiro de 2017.
How many times has Facebook redrawn Botão De Voltar?: Meta Platforms, Inc. has shipped 12 versions of Botão De Voltar. Each is dated, so you can see when the design changed.