agave-feature-set is used at run time in 93 crates (of which 6 optionally). It is a direct run-time dependency in 29 crates. It's used only as a dev dependency in 5 crates.

Depender (with downloads and own rev deps) agave-feature-set version
139K 37 solana-program-runtime =2.2.6
115K 38 solana-version =2.2.6
97K 40 solana-vote-program =2.2.6
58K 20 solana-address-lookup-table-program =2.2.6
42K 28 solana-stake-program =2.2.6
40K 22 solana-bpf-loader-program =2.2.6
37K 61 solana-runtime =2.2.6
36K 1 solana-zk-token-proof-program =2.2.6
32K 5 solana-cost-model =2.2.6
31K 3 solana-banks-server =2.2.6
31K 177 solana-program-test =2.2.6
22K 10 solana-svm =2.2.6
21K 3 solana-builtins-default-costs =2.2.6
20K 3 solana-fee =2.2.6
12K 6 solana-compute-budget-instruction =2.2.6
11K 2 solana-builtins =2.2.6
10K 26 solana-ledger =2.2.6
9.4K 15 solana-gossip =2.2.6
8.8K 19 solana-rpc =2.2.6
8.4K 16 solana-core =2.2.6
7.5K 13 solana-test-validator =2.2.6
7.4K 2 solana-turbine =2.2.6
1.6K 3 solana-cli =2.2.6
1.5K 4 agave-precompiles =2.2.6
1.1K 12 agave-reserved-account-keys =2.2.6
900 solana-genesis =2.2.6
850 agave-ledger-tool =2.2.6
40K 10 solana-system-program dev =2.2.6
20K 12 solana-runtime-transaction dev =2.2.6