solana-loader-v4-interface is used at run time in 163 crates (of which 5 optionally). It is a direct run-time dependency in 6 crates. It's used only as a dev dependency in 16 crates.

Depender (with downloads and own rev deps) solana-loader-v4-interface version
393K 643 solana-program ^2.2.1
44K 23 solana-bpf-loader-program =2.2.1
42K 5 solana-loader-v4-program =2.2.1
7.2K 3 litesvm ^2.2
1.2K 3 solana-cli =2.2.1
spherenet-program ^2.2.1