qbsdiff is used at run time in 4 crates (of which 1 optionally). It's used only as a dev dependency in 1 crate.

Depender (with downloads and own rev deps) qbsdiff version
140 1 qbsdiff_test_bench_utils ^1
multivers-runner ^1.4.0
500 sqlite-compressions optional ^1.4.1
turbo_server ^1