What does Bouton Retour 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 Bouton Retour?

Mozilla first drew Bouton Retour in Firefox OS 2.5, released 30 janvier 2016.

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

Mozilla Firefox OS 2.5

Mozilla shipped a new design for Bouton Retour in Firefox OS 2.5, released 30 janvier 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 Bouton Retour 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 Bouton Retour?: Mozilla first drew Bouton Retour in Firefox OS 2.5, released 30 janvier 2016.
How many times has Mozilla redrawn Bouton Retour?: Mozilla Foundation has shipped 1 version of Bouton Retour. Each is dated, so you can see when the design changed.