Azure DevOps - Sprint 182 Update
Features
Limited people-picker search and tagging
Using the various people pickers in the product, users and groups added to the "Project-Scoped Users" group will only be able to search for, view, select, and tag members who are also members of that same project.
Note
The current restrictions are on the user interface only; users will still be able to use the REST APIs to produce or construe the restricted data.
Feedback
Please email us directly with any questions, comments or issues you may have. We take your input seriously and read every bit of feedback. We’re very excited for you all to try this out and let us know what you think!
Next steps
Note
These features will roll out over the next two to three weeks.
Head over to Azure DevOps and take a look.
How to provide feedback
We would love to hear what you think about these features. Use the help menu to report a problem or provide a suggestion.

You can also get advice and your questions answered by the community on Stack Overflow.