Handling of System.Text.Json

Question

I'm currently using Visual Studio Professional 2015.
I installed "System.Text.Json" and its accompanying "System.ValueTuple", "System.Threading.Tasks.Extensions", etc. with the NuGet package manager.
System.Text.Json and accompanying packages are MIT licensed.
When using System.Text.Json functions in commercial software, is it necessary to display the full text of the MIT license and Microsoft's copyright
in the software that uses System.Text.Json functions according to the terms of the MIT license?
In Visual Studio 2019, I heard that System.Text.Json can be used without installing it, and it felt strange to display the license of the standard System function on the tool, so I asked the question.

I look forward to hearing from you.

Answer 1

Hi @岩佐渡 ,

Welcome to Microsoft Q&A!

From the MIT license, we can find the following message:

The above copyright notice and this permission notice (including the next paragraph) shall be included in all copies or substantial portions of the Software.

I suppose you need to add the license text in your software.

Sincerely,
Anna
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Answer 2

I think your opinion is correct.
I display the license text in my software.
Thank you.