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Re:“Yes, you should test on production” – Why developer expe... by recroad on Monday August 14, 2023 @11:37AM (#37122286)
Long lived feature flags are totally fine, they're more like operational flags than anything. The Fowler article is pretty good at classifying them. Depending on the type of flag (longevity/dynamism) the design will vary. https://martinfowler.com/articles/feature-toggles.html
Re:“Yes, you should test on production” – Why developer expe... by kiitos on Monday August 14, 2023 @11:43AM (#37122365)
An essential property of a feature flag is that it is short-lived, existing only for the duration of the roll-out of the feature. In the language of your linked article, feature flags are 1-to-1 with "release toggles" and not really any other kind of toggle.