Hi @Olivier P ,
Welcome to Microsoft Q&A!
It seems that the issue has reported in Developer Community:
https://developercommunity.visualstudio.com/t/angular-standalone-project-esproj-browser-settings/1635820
it is currently being investigated. You can vote it and add your comments in there to track the process.
Or you can also report a new ticket in Developer Community.
Thank you for your understanding!
Sincerely,
Anna
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