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Ebook

The One Flag Feature Launch Playbook

Rollout, A/B test, and personalize your product’s features without touching your codebase again.

The One Flag Feature Launch Playbook

Why you must read this eBook

35 checks. Five phases.

  • Pre-Launch: Define the flag and rollout strategy
  • Engineering: Instrument once. Never again.
  • Rollout: Release without fear
  • Experiment: Graduate to A/B testing
  • Personalize: Optimize for each audience segment

One flag. Rollout, experiment, personalize

Most feature flag tools treat rollout, A/B testing, and personalization as three separate systems. That means three sets of instrumentation. Three places where something can fall out of sync. Three code changes every time your strategy evolves.

Wingify Feature Experimentation was built around a different idea: the flag is the truth.

You define it once. Your developers instrument it once. And from that moment, everything that follows…gradually releasing to 5% of users, splitting traffic into a controlled experiment, routing enterprise customers to a different experience from free users, happens directly from the Wingify dashboard. Your codebase doesn’t know the difference because it doesn’t need to. 

This checklist is the step-by-step proof of that idea in practice. 

Your team’s pre-launch ritual

The checklist in the playbook is designed to become the thing that goes into every feature launch ticket, every sprint kickoff, every release planning doc, automatically. Each phase is short enough to scan in two minutes and specific enough that nothing slips through. It works the same way for a junior PM on their first launch as it does for a staff engineer who’s shipped hundreds of features.

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