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Legacy Server SDKs

Statsig's long-lived Server SDKs, which are transitioning to the Server Core framework

Statsig is transitioning to the Statsig Server Core architecture, which unifies all Server SDKs around a performance-optimized core package. Server Core delivers improved performance and greater feature consistency. Most customers continue to use legacy SDKs, which remain supported except for major feature additions.

Timelines

Statsig has announced end-of-life dates for some Legacy Server SDKs. Server Core SDKs often evaluate 5-10x faster than legacy SDKs and are more feature complete. Go to the docs for existing SDKs below:

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