What does علامة استفهام حمراء 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 استفهام حمراء?

Mozilla first drew علامة استفهام حمراء in Firefox OS 2.5, released 30 يناير 2016.

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

Mozilla

Mozilla Foundation has drawn علامة استفهام حمراء once. Every revision Mozilla has shipped is below, newest first.

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