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v4.2 Plan a rollout from 1% to everyone across days, with automatic pauses when error rates rise. Read the release
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Fernway

How a travel marketplace moved from monthly release trains to shipping every day.

Industry
Travel marketplace
Size
About 200 people

Sample stories, written for this template. Replace them with real, approved customer stories before launch.

The challenge

Fernway released once a month. Every release bundled weeks of changes, so when bookings dipped nobody could say which change caused it.

Rollbacks meant a redeploy, which took most of an afternoon and a room full of engineers.

What they did

The team put every customer-facing change behind a flag and moved to scheduled rollouts, starting with staff, then one market at a time.

Booking conversion and payment errors became guardrails, so a rollout pauses itself before a problem reaches most travellers.

“We stopped arguing about whether a release was safe. The rollout tells us.”
[Name], [Role], Fernway

What changed

  • Releases went from a monthly event to an everyday habit.
  • When a change does hurt bookings, the rollout pauses on its own and the team switches it off without a redeploy.
  • Product managers read experiment results themselves instead of waiting on an analyst.

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