Feature Flag

MethodologyTerm

A feature flag (or feature toggle) is a mechanism for enabling or disabling a feature in a piece of software via runtime configuration, without deploying new code.

A feature flag (or feature toggle) is a mechanism for enabling or disabling a feature in a piece of software via runtime configuration, without deploying new code.

Feature flags are used to: run progressive rollouts (canary release, rollout by cohort), run A/B tests, separate deployment from release, kill a buggy feature quickly (kill switch) or manage paid access.

Reference platforms include LaunchDarkly, GrowthBook, Statsig, Unleash and Flagsmith. It is an essential tool of continuous delivery (CI/CD) and trunk-based development.

Related terms

ORM
An ORM (Object-Relational Mapping) is a type of program that sits between an application and a relational database to simulate an object-oriented database.
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Trunk-Based Development
Trunk-based development (TBD) is a version-control strategy where every developer integrates their changes directly into a single main branch (the trunk, often `main`) at least daily, rather than working on long-lived b…
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ATS
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A/B Testing
A/B testing is an experimentation method that compares two versions (A and B) of the same item - web page, feature, email, price - to measure which performs better against a given goal (conversion rate, clicks, retentio…
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Data Contract
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Data Mesh
The data mesh is an organisational and technical approach to data, conceptualised by Zhamak Dehghani in 2019, which proposes to decentralise data ownership by business domain rather than concentrating it in a central da…
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Related terms

ORM

Trunk-Based Development

ATS

A/B Testing

Data Contract

Data Mesh

A recruitment need?