solana-hard-forks is used at run time in 42 crates (of which 4 optionally). It is a direct run-time dependency in 2 crates. It's used only as a dev dependency in 7 crates.

Depender (with downloads and own rev deps) solana-hard-forks version
307K 637 solana-sdk optional ^2.2.1
93K 3 solana-shred-version ^2.2.1