You can now automate time-based traffic movement for Vercel Flags using progressive rollouts. Unlike weighted splits which maintain stable traffic distribution for experiments, progressive rollouts automatically advance through a predefined...

Vercel is a platform for deploying modern web applications with speed and simplicity, offering developers a seamless experience for hosting and scaling their projects. With features like instant deployment, serverless functions, and global CDN, Vercel empowers developers to focus on building great user experiences without worrying about infrastructure management.

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Vercel Flags now supports progressive rollouts, allowing teams to automatically shift traffic to a new feature variant on a predefined schedule. Unlike fixed weighted splits, each rollout stage has a target percentage and duration, enabling teams to catch regressions on a small user slice before full exposure. The feature is available via the Vercel dashboard and the new `vercel flags rollout` CLI command.

Automate progressive rollouts with Vercel Flags

<p>Feature flags are great for keeping production safe, but managing them in code can become a mess. Vercel Flags fixing this at the infrastructure level is awesome for developers. It lets lean teams test new features in production without the fear of crashing the whole app. Simple and very useful.</p>
