What does Repeat Button look like on Apple?

On Apple it is the design shipped in iOS 26.4, shown above at full size. Older revisions are listed beneath it.

When did Apple add Repeat Button?

Apple first drew Repeat Button in iOS 5.1, released March 7, 2012.

Apple Inc. has shipped 25 versions of Repeat Button. Each is dated, so you can see when the design changed.

Apple iOS 10.2

Apple shipped a new design for Repeat Button in iOS 10.2, released December 12, 2016. The previous design is shown beside it.

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

What does Repeat Button look like on Apple?: On Apple it is the design shipped in iOS 26.4, shown above at full size. Older revisions are listed beneath it.
When did Apple add Repeat Button?: Apple first drew Repeat Button in iOS 5.1, released March 7, 2012.
How many times has Apple redrawn Repeat Button?: Apple Inc. has shipped 25 versions of Repeat Button. Each is dated, so you can see when the design changed.