This week on Ship It Weekly: Cloudflare explains how five low-level optimizations to the cache behind 1.1.1.1 freed roughly 100 terabytes of RAM while also improving performance. OVHcloud is raising infrastructure prices as AI demand reshapes the memory supply chain. AWS adds a fourth Availability Zone to London, exposing automation that quietly assumed there would always be three. And Route 53 Global Resolver gets a cleaner cross-account model for DNS self-service.

The bigger theme this week is assumptions. A few wasted bytes do not matter until you have 250 billion cache entries. A Region having three Availability Zones feels permanent until AWS adds a fourth. And centralized DNS governance works fine until every application team needs a networking ticket just to make a private zone resolvable.

In the lightning roun ...