ToShmem is used at run time in 9 crates (of which 1 optionally). It is a direct run-time dependency in 3 crates.

Depender (with downloads and own rev deps) ToShmem version
852K 42 selectors optional ^0.2
1.4K 3 stylo ^0.2
1.3K 2 stylo_traits ^0.2