This incident has been resolved. Notebooks functionality has been restored to the GUI.
Posted Apr 21, 2021 - 22:30 UTC
A number of our newer features, including the new notebooks and annotations are temporarily unavailable. We are working to restore them to the UI. There is no data loss. The features however, are currently disabled in the UI.
Posted Apr 21, 2021 - 21:22 UTC
This incident affected: Google Cloud: Belgium, Europe-West-1 (Web UI), AWS: Virginia, US-East-1 (Web UI), Azure: Amsterdam, West Europe (Web UI), AWS: Oregon, US-West-2 (Web UI), Google Cloud: Iowa, US-Central (Web UI), Azure: Virginia, East US (Web UI), and AWS: Frankfurt, EU-Central-1 (Web UI).