spin_on is used at run time in 46 crates (of which 7 optionally). It is a direct run-time dependency in 11 crates. It's used only as a dev dependency in 7 crates.

Depender (with downloads and own rev deps) spin_on version
40K 1 slint-macros ^0.1
39K 23 slint-build ^0.1
600 1 sparreal-kernel ^0.1
170 1 arm-pl011-rs ^0.1
sixtyfps-macros ^0.1
slint-viewer ^0.1
sixtyfps-lsp ^0.1
sixtyfps-viewer ^0.1
slint-updater ^0.1
210 3 slint-interpreter optional ^0.1
4.8M 517 futures-lite dev ^0.1.0
53K 17 femtovg dev ^0.1
40K 7 i-slint-compiler dev ^0.1
slint-lsp dev ^0.1
2 sixtyfps-compilerlib dev ^0.1
8 breadx dev ^0.1.1
async-copy-progress dev ^0.1.0
yield-now dev ^0.1.1