What does 上ボタン look like on Microsoft Teams?

On Microsoft Teams it is the design shipped in 15.1, shown above at full size. Older revisions are listed beneath it.

When did Microsoft Teams add 上ボタン?

Microsoft Teams first drew 上ボタン in 1.0, released 2022年2月9日.

Microsoft Corporation has shipped 4 versions of 上ボタン. Each is dated, so you can see when the design changed.

Microsoft Teams

Microsoft Corporation has drawn 上ボタン 4 times. Every revision Microsoft Teams has shipped is below, newest first.

What does 上ボタン look like on Microsoft Teams?: On Microsoft Teams it is the design shipped in 15.1, shown above at full size. Older revisions are listed beneath it.
When did Microsoft Teams add 上ボタン?: Microsoft Teams first drew 上ボタン in 1.0, released 2022年2月9日.
How many times has Microsoft Teams redrawn 上ボタン?: Microsoft Corporation has shipped 4 versions of 上ボタン. Each is dated, so you can see when the design changed.

Microsoft Teams artwork for this emoji spans 2022 to 2024.