solana-feature-gate-interface is used at run time in 151 crates (of which 5 optionally). It is a direct run-time dependency in 4 crates. It's used only as a dev dependency in 16 crates.

Depender (with downloads and own rev deps) solana-feature-gate-interface version
394K 646 solana-program ^2.2.1
141K 56 solana-rpc-client =2.2.1
1.2K 3 solana-cli =2.2.1
spherenet-program ^2.2.1