What does Knochen look like on Google?

On Google it is the design shipped in 17.0, shown above at full size. Older revisions are listed beneath it.

When did Google add Knochen?

Google first drew Knochen in Android 9.0, released 6. August 2018.

Google LLC has shipped 13 versions of Knochen. Each is dated, so you can see when the design changed.

Google Android 9.0

Google shipped a new design for Knochen in Android 9.0, released 6. August 2018. The previous design is shown beside it.

The first Google release we hold for this emoji.

✳ marks a release that redrew this emoji. The rest re-shipped the design unchanged.

What does Knochen look like on Google?: On Google it is the design shipped in 17.0, shown above at full size. Older revisions are listed beneath it.
When did Google add Knochen?: Google first drew Knochen in Android 9.0, released 6. August 2018.
How many times has Google redrawn Knochen?: Google LLC has shipped 13 versions of Knochen. Each is dated, so you can see when the design changed.