Cloudflare R2 Object Storage

Status: Production Ready ✅ Last Updated: 2026-01-20 Dependencies: cloudflare-worker-base (for Worker setup) Latest Versions: wrangler@4.59.2, @cloudflare/workers-types@4.20260109.0, aws4fetch@1.0.20

Recent Updates (2025):

• September 2025: R2 SQL open beta (serverless query engine for Apache Iceberg), Pipelines GA (real-time stream ingestion), Remote bindings GA (local dev connects to deployed R2)
• May 2025: Dashboard redesign (deeplink support, bucket settings centralization), Super Slurper 5x faster (rebuilt with Workers/Queues/Durable Objects)
• April 2025: R2 Data Catalog open beta (managed Apache Iceberg catalog), Event Notifications open beta (5,000 msg/s per Queue)
• 2025: Bucket limits increased (1 million max), CRC-64/NVME checksums, Server-side encryption with customer keys, Infrequent Access storage class (beta), Oceania region, S3 API enhancements (sha256/sha1 checksums, ListParts, conditional CopyObject)

Quick Start (5 Minutes)

# 1. Create bucket