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Cloudflare Migrates JavaScript CDN Serving 9B Requests a Day to Its Developer Platform

Leela Kumili — Fri, 14 Aug 2026 14:42:00 GMT

Cloudflare has migrated cdnjs, its open source CDN for JavaScript and CSS libraries, to its Developer Platform. The new architecture uses Workers, R2, KV, Workflows, Queues, Durable Objects and Containers, consolidating publishing and delivery infrastructure while preserving package contents, URLs and SRI hashes at a scale of 9 billion requests per day.

By Leela Kumili

Canva Shares S3 Based Architecture for Session Revocation across Hundreds of Millions of Sessions

Leela Kumili — Mon, 10 Aug 2026 14:14:00 GMT

Canva redesigned session revocation infrastructure to support 100M active sessions while reducing database lookups. The architecture uses Amazon S3 for durable revocation records and distributes compact, in-memory indexes to application gateways. Canva said the design improved deployment speed, reduced database infrastructure requirements, and cut the revocation cache memory footprint by 87.5%.

By Leela Kumili

Wiz Discloses CosmosEscape, and Practitioners Debate What Customers Could Have Done

Steef-Jan Wiggers — Thu, 06 Aug 2026 09:21:00 GMT

Wiz Research disclosed CosmosEscape, a chain that escaped Azure Cosmos DB's Gremlin sandbox and reached a platform-wide key granting read and write access to every database on the service. Microsoft blocked the entry point within two days but took until July 2026 to remove the key. Practitioners debated shared responsibility and what that rearchitecture actually cost.

By Steef-Jan Wiggers