What does Pulsante Stop 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 Pulsante Stop?

Facebook first drew Pulsante Stop in 2.0, released 20 febbraio 2017.

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

Facebook 3.0

Facebook shipped a new design for Pulsante Stop in 3.0, released 2 dicembre 2018. The previous design is shown beside it.

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

What does Pulsante Stop 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 Pulsante Stop?: Facebook first drew Pulsante Stop in 2.0, released 20 febbraio 2017.
How many times has Facebook redrawn Pulsante Stop?: Meta Platforms, Inc. has shipped 12 versions of Pulsante Stop. Each is dated, so you can see when the design changed.