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
170 1 qbsdiff_test_bench_utils ^1
160 multivers-runner ^1.4.0
550 1 sqlite-compressions optional ^1.4.2
turbo_server ^1