“Based on our investigation, the issue appears to be related to DNS resolution of the DynamoDB API endpoint in US-EAST-1. We are working on multiple parallel paths to accelerate recovery.”
This is just a reminder to take a backup of your cloud photos and store it locally (or other cloud provider). For example, with Google Takeout you can get a ZIP file with all your photos and videos from Google Photos.
When you import a CSV file into Google Sheets (File -> Import), you can choose in the dialog to convert text to numbers and dates. If you choose not to convert, Google Sheets places a single quote (') before the function.