No
I haven't yet gotten working suggestions, just weirdly broken ones
bloopernova on Hacker News
In the thread “Microsoft introduces AI meddling to your files with Copilot in OneDrive”
Helped: Useful as a better auto complete.
Got in the way: Slow suggestions and broken generated code.
… Though I'm not a fan of its generated code. I haven't yet gotten working suggestions, just weirdly broken ones.