What does علامة تعجب 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 تعجب حمراء?

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

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

Mozilla

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

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