What does علامة X في مربع 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 علامة X في مربع?

Mozilla first drew علامة X في مربع in Firefox OS 2.5, released 30 يناير 2016.

Mozilla Foundation has shipped 1 version of علامة X في مربع. Each is dated, so you can see when the design changed.

Mozilla

Mozilla Foundation has drawn علامة X في مربع once. Every revision Mozilla has shipped is below, newest first.

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