What does زر سريع لأسفل 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 زر سريع لأسفل?

Mozilla first drew زر سريع لأسفل in Firefox OS 2.5, released 30 يناير 2016.

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

Mozilla

Mozilla Foundation has drawn زر سريع لأسفل once. Every revision Mozilla has shipped is below, newest first.

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