What does 停止ボタン look like on JoyPixels?

On JoyPixels it is the design shipped in 11.0, shown above at full size. Older revisions are listed beneath it.

When did JoyPixels add 停止ボタン?

JoyPixels first drew 停止ボタン in 2.0, released 2015年12月17日.

JoyPixels, Inc. has shipped 19 versions of 停止ボタン. Each is dated, so you can see when the design changed.

JoyPixels 4.5

This is the design JoyPixels introduced in 4.0, 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 停止ボタン look like on JoyPixels?: On JoyPixels it is the design shipped in 11.0, shown above at full size. Older revisions are listed beneath it.
When did JoyPixels add 停止ボタン?: JoyPixels first drew 停止ボタン in 2.0, released 2015年12月17日.
How many times has JoyPixels redrawn 停止ボタン?: JoyPixels, Inc. has shipped 19 versions of 停止ボタン. Each is dated, so you can see when the design changed.