P-192 is used at run time in 2 crates (of which 2 optionally). It's used only as a dev dependency in 3 crates.

Depender (with downloads and own rev deps) P-192 version
2.7K 10 cosmian_crypto_core optional ^0.13
100 x509-verify optional ^0.13.0
300 2 esp32c6-hal dev ^0.13.0
230 esp32c2-hal dev ^0.13.0
esp32h2-hal dev ^0.13.0