solana-instructions-sysvar is used at run time in 110 crates (of which 6 optionally). It is a direct run-time dependency in 8 crates. It's used only as a dev dependency in 14 crates (of which 1 directly).

Depender (with downloads and own rev deps) solana-instructions-sysvar version
345K 602 solana-program ^2.2.1
130K 4 spl-token-confidential-transfer-proof-extraction ^2.2.1
128K 22 solana-sysvar ^2.2.1
21K 10 solana-svm =2.2.1
2.2K 4 litesvm ^2.2
110 spherenet-sysvar ^2.2.1
110 spherenet-program ^2.2.1
286K 673 solana-sdk dev ^2.2.1
101K 7 solana-secp256k1-program dev ^2.2.1