What does Katzengesicht 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 Katzengesicht?

Mozilla first drew Katzengesicht in Firefox OS 2.5, released 30. Januar 2016.

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

Mozilla

Mozilla Foundation has drawn Katzengesicht once. Every revision Mozilla has shipped is below, newest first.

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