What does 정지 버튼 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 정지 버튼?

Facebook first drew 정지 버튼 in 2.0, released 2017년 2월 20일.

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

Facebook 4.0

Facebook shipped a new design for 정지 버튼 in 4.0, released 2019년 4월 1일. The previous design is shown beside it.

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

What does 정지 버튼 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 정지 버튼?: Facebook first drew 정지 버튼 in 2.0, released 2017년 2월 20일.
How many times has Facebook redrawn 정지 버튼?: Meta Platforms, Inc. has shipped 12 versions of 정지 버튼. Each is dated, so you can see when the design changed.