utf16_iter is used at run time in 34 crates (of which 4 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) utf16_iter version
28K 9 icu_normalizer ^1.0.3
11K 5 icu_collator ^1.0