staging-tracking-allocator is used at run time in 4 crates (of which 2 optionally). It is a direct run-time dependency in 2 crates.

Depender (with downloads and own rev deps) staging-tracking-allocator version
113K 7 polkadot-sdk optional ^2.0.0
500 4 polkadot-node-core-pvf-prepare-worker ^2.0.0