[frankchn]

S3 became strongly consistent only recently (https://aws.amazon.com/blogs/aws/amazon-s3-update-strong-rea...) while I think GCS and Azure Blob Storage has strong read-after-write consistency for a while now.

In any case, Cloud Spanner provides strong consistency in multi-region deployments.

[dijit]

And GCP storage buckets has been built on top of spanner sine 2018- giving the same guarantees.

If anything. AWS is playing catch up.