Introducing Skew Protection
Vercel is introducing Skew Protection, a mechanism that eliminates version skew between web clients and servers during deployments, reducing errors and allowing developers to skip backward and forward compatibility requirements for API changes. Now available for Next.js and SvelteKit with Astro and Nuxt coming soon.
Have you ever seen a 404 for requests from old clients after a deployment? Or gotten a 500 error because the client didn’t know that a new server deployment changed an API? We're introducing a generic fix for this problem space.
Vercel customers are deploying over 6 million times per month, making their businesses more successful one commit at a time. But since the dawn of the distributed computing age, each system deployment has introduced the risk of breakage: When client and server deployments aren’t perfectly in sync, and they won’t be, then calls between them can lead to unexpected behavior.
We call this issue . In the worst case, version skew can break your app, and in the best case, it leads to substantial extra engineering effort as software changes crossing system boundaries must be backward and forward-compatible.version skew
Today, we're introducing for deployments, a novel mechanism to eliminate version skew between web clients and servers. This technology will substantially reduce errors users observe as new deployments are rolled out. Additionally, it will increase developer productivity as you no longer need to worry about backward and forward compatibility of your API changes. Available today for everyone in . Skew ProtectionNext.js and SvelteKit with Nuxt and Astro coming soon
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