# once_cell (crates)

- Status: active
- Latest stable version: 1.21.4 (published 2026-03-12T10:59:52.512992Z)
- Minimum Rust version (rust-version): 1.65
- License: MIT OR Apache-2.0
- Advisories on latest version: none known
- Verified: 2026-10-08T19:49:12.150Z
- Sources: https://api.osv.dev/v1/querybatch, https://crates.io/api/v1/crates/once_cell

JSON: https://vigia.coredls.cloud/v1/packages/crates/once_cell