Crate features / rayon
Feature flags · rayon 1.12.0 · from crates.io 2026-10-24
rayon features: what each one does, and the line to copy
Short answerrayon 1.12.0 has 1 feature. Nothing is on by default: turn on what you use. It needs Rust 1.80 or newer.
Pick features
Every feature
| Feature | In default | Turns on |
|---|---|---|
web_spin_lock | dep:wasm_sync, rayon-core/web_spin_lock |
dep:x turns on the optional dependency x; x/y turns on feature y of dependency x (with ?, only if x is already on).
MSRV history
The minimum Rust version rayon declares (rust-version), and the release that changed it:
- 1.6.0 (2022-11-18): Rust 1.56
- 1.7.0 (2023-03-04): Rust 1.59
- 1.8.0 (2023-09-20): Rust 1.63
- 1.11.0 (2025-08-12): Rust 1.80
Stuck on an older compiler? Pin the last version that supports it, for example cargo update -p rayon --precise <version>, or use resolver 3, which picks compatible versions for you.
More on rayon
Real downloads, dependents and alternatives: rayon crate data (1.6M real downloads a day, 11,972 dependents).
docs.rs feature list · crates.io · license MIT OR Apache-2.0 · edition 2021
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