Which version of MS Teams did we start getting green color success message?

I am seeing a green color success message appearing on submit action. It is no problem for me, but I wanted to know which version of MS Teams did the success message start to appear.

I found a doc on the developer Microsoft website, but there is no official word on the MS Teams version.

Also found a question on the Microsoft community, but there is confirmation on version

Any input about the version is appreciated, thank you.

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This is not a bug and the new feature of the adaptive card, You can go through the following Microsoft blog for more information about this feature.


Five new features enhancing Adaptive Cards in Microsoft Teams