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Feature flags.

Testing frameworks
Our review

What we like

Supports classic feature flagging with targeting rules, but also enables experimental A/B testing, gated permissions, and ops rules to handle slow-rollout of backend changes. Separate by prod, staging, dev, environments. Feature opt-in allows users to manage their own involvement. Has both client and server-side SDKs.

What we don't like

Dark mode is available, but it’s hidden behind a beta feature flag! No Rust SDK.

Reviewed: 2023-04-27

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