Instability is used at run time in 723 crates (of which 39 optionally). It is a direct run-time dependency in 3 crates. It's used only as a dev dependency in 14 crates.

Depender (with downloads and own rev deps) Instability version
605K 1022 ratatui ^0.3.1
20K 26 esp-hal ^0.3.7
450 instability-example ^0.3.7