What does 上一个音轨按钮 look like on JoyPixels?

On JoyPixels it is the design shipped in 11.0, shown above at full size. Older revisions are listed beneath it.

When did JoyPixels add 上一个音轨按钮?

JoyPixels first drew 上一个音轨按钮 in 2.0, released 2015年12月17日.

JoyPixels, Inc. has shipped 19 versions of 上一个音轨按钮. Each is dated, so you can see when the design changed.

JoyPixels

JoyPixels, Inc. has drawn 上一个音轨按钮 19 times. Every revision JoyPixels has shipped is below, newest first.

What does 上一个音轨按钮 look like on JoyPixels?: On JoyPixels it is the design shipped in 11.0, shown above at full size. Older revisions are listed beneath it.
When did JoyPixels add 上一个音轨按钮?: JoyPixels first drew 上一个音轨按钮 in 2.0, released 2015年12月17日.
How many times has JoyPixels redrawn 上一个音轨按钮?: JoyPixels, Inc. has shipped 19 versions of 上一个音轨按钮. Each is dated, so you can see when the design changed.

JoyPixels artwork for this emoji spans 2015 to 2026.