zkhash is used at run time in 15 crates. It is a direct run-time dependency in 4 crates.

Depender (with downloads and own rev deps) zkhash version
15K 5 sp1-recursion-core ^0.2.0
10K 1 sp1-recursion-core-v2 ^0.2.0
15K 2 sp1-recursion-circuit dev ^0.2.0
210 sp1-recursion-circuit-v2 dev ^0.2.0