Building a serverless, post-quantum Matrix homeserver
2026-01-27
As a proof of concept, we built a Matrix homeserver to Cloudflare Workers — delivering encrypted messaging at the edge with automatic post-quantum cryptography....
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Announcing support for GROUP BY, SUM, and other aggregation queries in R2 SQL
2025-12-18
Cloudflare’s R2 SQL, a distributed query engine, now supports aggregations. Explore how we built distributed GROUP BY execution, using scatter-gather and shuffling strategies to run analytics directly over your R2 Data Catalog....
Connecting to production: the architecture of remote bindings
2025-11-12
Remote bindings allow you to connect your local Worker code to deployed Cloudflare resources like R2 and D1. Come along on the technical journey of how we built this feature to create a seamless local development experience....
R2 SQL: a deep dive into our new distributed query engine
2025-09-25
R2 SQL provides a built-in, serverless way to run ad-hoc analytic queries against your R2 Data Catalog. This post dives deep under the Iceberg into how we built this distributed engine....
Explore your Cloudflare data with Python notebooks, powered by marimo
2025-07-16
We’ve partnered with marimo to bring their best-in-class Python notebook experience to your Cloudflare data....
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May 05, 2025 2:00 PM
Scaling with safety: Cloudflare's approach to global service health metrics and software releases
Learn how Cloudflare tackles the challenge of scaling global service health metrics to safely release new software across our global network....
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April 10, 2025 2:00 PM
R2 Data Catalog: Managed Apache Iceberg tables with zero egress fees
R2 Data Catalog is now in public beta: a managed Apache Iceberg data catalog built directly into your R2 bucket....
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April 10, 2025 2:00 PM
Just landed: streaming ingestion on Cloudflare with Arroyo and Pipelines
We’ve just shipped our new streaming ingestion service, Pipelines — and we’ve acquired Arroyo, enabling us to bring new SQL-based, stateful transformations to Pipelines and R2....
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