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Using Feature Flags for a Major Rollout

Shipping a big, user-facing change to everyone at once is risky. In this lesson we walk through how to use Craft's Feature Flags plugin to decouple deploying code from releasing a feature — deploying it dark, turning it on for just yourself in production, rolling it out gradually, and keeping a one-click rollback the whole time. The case study is a real, high-stakes migration: swapping CraftQuest's entire ~1,300-video catalog from a Vimeo player to a new Mux-based player, cut over live with zero user risk.

Ship­ping a big, user-fac­ing change to every­one at once is risky. In this les­son we walk through how to use Craft’s Fea­ture Flags plu­g­in to decou­ple deploy­ing code from releas­ing a fea­ture — deploy­ing it dark, turn­ing it on for just your­self in pro­duc­tion, rolling it out grad­u­al­ly, and keep­ing a one-click roll­back the whole time. The case study is a real, high-stakes migra­tion: swap­ping CraftQuest’s entire ~1,300-video cat­a­log from a Vimeo play­er to a new Mux-based play­er, cut over live with zero user risk.

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Date Published
July 08, 2026