What does زر "معرّف الهويّة" 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 زر "معرّف الهويّة"?

Facebook first drew زر "معرّف الهويّة" in 2.0, released 20 فبراير 2017.

Meta Platforms, Inc. has shipped 12 versions of زر "معرّف الهويّة". Each is dated, so you can see when the design changed.

Facebook 2.2

This is the design Facebook introduced in 2.0, 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 زر "معرّف الهويّة" 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 زر "معرّف الهويّة"?: Facebook first drew زر "معرّف الهويّة" in 2.0, released 20 فبراير 2017.
How many times has Facebook redrawn زر "معرّف الهويّة"?: Meta Platforms, Inc. has shipped 12 versions of زر "معرّف الهويّة". Each is dated, so you can see when the design changed.