What does コントロールつまみ 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 コントロールつまみ?

Microsoft Teams first drew コントロールつまみ in 1.0, released 2022年2月9日.

Microsoft Corporation has shipped 4 versions of コントロールつまみ. Each is dated, so you can see when the design changed.

Microsoft Teams 15.1

This is the design Microsoft Teams introduced in 1.0, shipped again unchanged. It was not redrawn for this release.

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

What does コントロールつまみ 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 コントロールつまみ?: Microsoft Teams first drew コントロールつまみ in 1.0, released 2022年2月9日.
How many times has Microsoft Teams redrawn コントロールつまみ?: Microsoft Corporation has shipped 4 versions of コントロールつまみ. Each is dated, so you can see when the design changed.