Using TT Deluxe I tried to download my broker information. It says it was successful but no fields were populated. Never had this problem in all the years using TT. I am on a desktop using Windows.
likely browser permission issue, see
https://ttlc.intuit.com/community/taxes/discussion/uploading-from-vanguard/00/3791235
https://ttlc.intuit.com/community/taxes/discussion/re-vanguard-brokerage-update-is-available-from-va...