R2's compatibility with the S3 API still has a ways to go. I tried to port over a relatively trivial app written on the AWS SDK and found: * Request header sig

R2's compatibility with the S3 API still has a ways to go. I tried to port over a relatively trivial app written on the AWS SDK and found: * Request header signing is not supported (ok, fine) * Tagging is not supported (showstopper)