Crate features / quinn
Feature flags · quinn 0.11.12 · from crates.io 2026-10-24
quinn features: what each one does, and the line to copy
Short answerquinn 0.11.12 has 17 features. By default it turns on log, platform-verifier, runtime-tokio, rustls-ring, bloom; add default-features = false to start from nothing. It needs Rust 1.85 or newer.
Pick features
Every feature
| Feature | In default | Turns on |
|---|---|---|
__rustls-post-quantum-test | rustls/prefer-post-quantum, rustls-aws-lc-rs, proto/__rustls-post-quantum-test | |
aws-lc-rs | proto/aws-lc-rs | |
aws-lc-rs-fips | proto/aws-lc-rs-fips | |
bloom | yes | proto/bloom |
lock_tracking | nothing else (a switch the code checks) | |
log | yes | tracing/log, proto/log, udp/log |
platform-verifier | yes | proto/platform-verifier |
qlog | proto/qlog | |
ring | proto/ring | |
runtime-async-std | async-io, async-std | |
runtime-smol | async-io, smol | |
runtime-tokio | yes | tokio/time, tokio/rt, tokio/net |
rustls | rustls-ring | |
rustls-aws-lc-rs | dep:rustls, aws-lc-rs, proto/rustls-aws-lc-rs, proto/aws-lc-rs | |
rustls-aws-lc-rs-fips | dep:rustls, aws-lc-rs-fips, proto/rustls-aws-lc-rs-fips, proto/aws-lc-rs-fips | |
rustls-log | rustls?/logging | |
rustls-ring | yes | dep:rustls, ring, proto/rustls-ring, proto/ring |
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 quinn declares (rust-version), and the release that changed it:
- 0.8.1 (2022-02-19): Rust 1.53
- 0.9.0 (2022-10-31): Rust 1.59
- 0.10.0 (2023-05-11): Rust 1.63
- 0.9.4 (2023-07-21): Rust 1.59
- 0.10.2 (2023-08-02): Rust 1.63
- 0.11.0 (2024-05-06): Rust 1.66
- 0.11.3 (2024-08-04): Rust 1.70.0
- 0.11.7 (2025-03-18): Rust 1.71
- 0.11.9 (2025-08-27): Rust 1.74.1
- 0.11.11 (2026-06-22): Rust 1.85
Stuck on an older compiler? Pin the last version that supports it, for example cargo update -p quinn --precise <version>, or use resolver 3, which picks compatible versions for you.
More on quinn
Real downloads, dependents and alternatives: quinn crate data (1.4M real downloads a day, 638 dependents).
Security record: quinn advisories.
docs.rs feature list · crates.io · license MIT OR Apache-2.0 · edition 2021
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