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Notes on shipping fast without breaking things you cannot take back: kill switches, rollouts, fail modes, and code you did not write yourself.
Latest·Explainers·8 September 2026 · 7 min read
Dark launching: ship the code, keep it off, flip it when you are ready
Dark launching means deploying with the feature off, then releasing it without another deploy. How it differs from canary and blue-green, and the case that takes your feature down.
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Comparisons·8 September 2026 · 8 min read
LaunchDarkly pricing explained: the two meters that decide your bill
LaunchDarkly pricing has no per-seat charge and no flat number. What Developer includes free, what client-side MAU and service connections actually count, and how to estimate your bill.
ReadComparisons·8 September 2026 · 9 min read
LaunchDarkly alternatives: what a flat-priced flag service can and cannot do
LaunchDarkly stopped charging per seat. An honest look at what it costs now, when its free tier is the right answer, and when a LaunchDarkly alternative is.
ReadComparisons·4 September 2026 · 8 min read
PostHog feature flags vs LaunchFlag: when you need analytics and when you need a switch
PostHog feature flags come with an analytics platform attached. LaunchFlag is only the switch. Setup, evaluation, pricing and kill switch, compared fairly.
ReadField notes·4 September 2026 · 6 min read
We unshipped a broken checkout from a phone in 9 seconds
An agent wrote the checkout, I merged it, a customer found the bug. What a kill switch is, why the old path has to stay, and the three lines that make it work.
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