What does Stop Button look like on OpenMoji?

On OpenMoji it is the design shipped in 17.0, shown above at full size. Older revisions are listed beneath it.

When did OpenMoji add Stop Button?

OpenMoji first drew Stop Button in 1.0, released April 18, 2018.

HfG Schwäbisch Gmünd has shipped 11 versions of Stop Button. Each is dated, so you can see when the design changed.

OpenMoji 1.0

OpenMoji shipped a new design for Stop Button in 1.0, released April 18, 2018. The previous design is shown beside it.

The first OpenMoji release we hold for this emoji.

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

What does Stop Button look like on OpenMoji?: On OpenMoji it is the design shipped in 17.0, shown above at full size. Older revisions are listed beneath it.
When did OpenMoji add Stop Button?: OpenMoji first drew Stop Button in 1.0, released April 18, 2018.
How many times has OpenMoji redrawn Stop Button?: HfG Schwäbisch Gmünd has shipped 11 versions of Stop Button. Each is dated, so you can see when the design changed.