solana-loader-v3-interface is used at run time in 83 crates (of which 3 optionally). It is a direct run-time dependency in 9 crates. It's used only as a dev dependency in 11 crates.

Depender (with downloads and own rev deps) solana-loader-v3-interface version
345K 602 solana-program ^3.0.0
39K 22 solana-bpf-loader-program =3.0.0
37K 5 solana-loader-v4-program =3.0.0
2.2K 4 litesvm ^3.0
1.7K 6 mollusk-svm ^3.0
1.6K 3 solana-cli =3.0.0
110 spherenet-program ^3.0.0
litesvm-loader ^3.0
37K 61 solana-runtime dev =3.0.0