solana-borsh is used at run time in 9 crates (of which 2 optionally). It is a direct run-time dependency in 2 crates. It's used only as a dev dependency in 2 crates.

Depender (with downloads and own rev deps) solana-borsh version
195K 21 spl-token-metadata-interface ^2.1.0
197K 549 solana-program optional =2.1.1