What does مسطرة مثلثة 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 مسطرة مثلثة?

Facebook first drew مسطرة مثلثة in 2.0, released 20 فبراير 2017.

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