Summary
Vercel added progressive rollouts to Vercel Flags, letting teams move traffic to a new variant on a predefined schedule. The feature is available in the dashboard and through a new vercel flags rollout CLI command.
What changed
Vercel Flags added progressive rollout scheduling in the dashboard and CLI.
Why it matters
This gives teams a more operational way to ship risky changes, including AI and model-routing changes, without relying on fixed split tests alone. It also moves Vercel Flags closer to a release-control plane rather than a simple experimentation layer.
Evidence excerpt
Vercel says progressive rollouts are now available in the dashboard and through a new vercel flags rollout CLI command, letting teams shift traffic to a new variant over time.