solana-loader-v3-interface is used at run time in 163 crates (of which 5 optionally). It is a direct run-time dependency in 9 crates. It's used only as a dev dependency in 16 crates.

Depender (with downloads and own rev deps) solana-loader-v3-interface version
393K 643 solana-program ^3.0.0
44K 23 solana-bpf-loader-program =3.0.0
42K 5 solana-loader-v4-program =3.0.0
7.2K 3 litesvm ^3.0
1.2K 7 mollusk-svm ^3.0
1.2K 3 solana-cli =3.0.0
litesvm-loader ^3.0
spherenet-program ^3.0.0
39K 60 solana-runtime dev =3.0.0