circuit_definitions is used at run time in 5 crates (of which 1 optionally).

Depender (with downloads and own rev deps) circuit_definitions version
14K 1 zkevm_test_harness =0.150.12
13K 1 shivini optional =0.150.12
3.0K zksync-wrapper-prover =0.150.12
600 1 fflonk-cuda =0.150.12
410 proof-compression =0.150.12