AWS Backup Scales Up: Now Handles 1,000+ S3 Buckets Per Account
AWS Backup just ditched its 1,000-bucket limit for Amazon S3, so you can now protect as many buckets as your account quota allows. The update rolls out globally across all AWS commercial and GovCloud (US) regions with zero config changes needed if you're using default managed policies.
source: [aws/whats-new]