What does Repeat Single Button look like on Mozilla?

On Mozilla it is the design shipped in Firefox OS 2.5, shown above at full size. Older revisions are listed beneath it.

When did Mozilla add Repeat Single Button?

Mozilla first drew Repeat Single Button in Firefox OS 2.5, released January 30, 2016.

Mozilla Foundation has shipped 1 version of Repeat Single Button. Each is dated, so you can see when the design changed.

Mozilla Firefox OS 2.5

Mozilla shipped a new design for Repeat Single Button in Firefox OS 2.5, released January 30, 2016. The previous design is shown beside it.

The first Mozilla release we hold for this emoji.

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

What does Repeat Single Button look like on Mozilla?: On Mozilla it is the design shipped in Firefox OS 2.5, shown above at full size. Older revisions are listed beneath it.
When did Mozilla add Repeat Single Button?: Mozilla first drew Repeat Single Button in Firefox OS 2.5, released January 30, 2016.
How many times has Mozilla redrawn Repeat Single Button?: Mozilla Foundation has shipped 1 version of Repeat Single Button. Each is dated, so you can see when the design changed.