What does سهم لأعلى اليسار 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 سهم لأعلى اليسار?

Mozilla first drew سهم لأعلى اليسار in Firefox OS 2.5, released 30 يناير 2016.

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

Mozilla

Mozilla Foundation has drawn سهم لأعلى اليسار once. Every revision Mozilla has shipped is below, newest first.

What does سهم لأعلى اليسار 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 سهم لأعلى اليسار?: Mozilla first drew سهم لأعلى اليسار in Firefox OS 2.5, released 30 يناير 2016.
How many times has Mozilla redrawn سهم لأعلى اليسار?: Mozilla Foundation has shipped 1 version of سهم لأعلى اليسار. Each is dated, so you can see when the design changed.