Crate features / webpki
Feature flags · webpki 0.22.4 · from crates.io 2026-10-24
webpki features: what each one does, and the line to copy
Short answerwebpki 0.22.4 has 2 features. Nothing is on by default: turn on what you use. It needs Rust 1.61.0 or newer.
Pick features
Every feature
| Feature | In default | Turns on |
|---|---|---|
alloc | ring/alloc | |
std | alloc |
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 webpki declares (rust-version), and the release that changed it:
- 0.22.4 (2023-10-09): Rust 1.61.0
Stuck on an older compiler? Pin the last version that supports it, for example cargo update -p webpki --precise <version>, or use resolver 3, which picks compatible versions for you.
More on webpki
Real downloads, dependents and alternatives: webpki crate data (102.7K real downloads a day, 162 dependents).
Security record: webpki advisories.
docs.rs feature list · crates.io · license non-standard · edition 2018
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