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s2n-quic

v1.77.0 Stable

A Rust implementation of the IETF QUIC protocol

Apache-2.0 Edition 2021 MSRV 1.88

Quick Verdict

  • โœ“Actively maintained (updated 4d ago)
  • โœ“Stable API (1.x for 4+ years)
  • โœ“Trusted by 487 crates
  • โœ“Team maintained (3 owners)
  • !Heavy dependency tree (21 direct deps)

Security

Checking security advisories...
Downloads
426.1K
Dependents
487
Releases
87
Size
64KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

39.6K downloads in the last 30 days (1.3K/day), up 118% from the previous period.

๐Ÿ”—
Moderate adoption

487 crates depend on s2n-quic. Reasonable ecosystem adoption, though not yet a core dependency.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 51 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

โœ…
Stable for 4+ years

The API has been stable (1.x) for over 4 years with 87 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“ฆ
Heavy dependency tree

21 direct dependencies. Consider the impact on compile times and supply chain complexity.

๐ŸŒŸ
Used by top crates

Notable dependents include jetstream_client, h3-util, jetstream_server, s2n-quic-dc, jetstream_distributed. When high-quality crates choose s2n-quic, it's a strong quality signal.

Health Breakdown

Maintenance 22/25

Recency, release consistency, active ratio

Quality 20/25

Yanked ratio, deps, size, maturity, features

Community 13/20

Reverse deps, ownership, ecosystem

Popularity 7/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
801/day avg+136%
02K4K6K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v1.52.0
35%
v1.59.0
19%
v1.32.0
18%
v1.51.0
15%
v1.68.0
14%

Release Timeline

87 releases3 yankedsince 2022
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2022
21
2023
18
2024
21
2025
21
2026
6
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Yanked

Feature Flags

default =["provider-address-token-default", "provider-tls-default"]

unstable-limitsprovider-tls-s2nprovider-tls-fipsprovider-tls-rustlsunstable_resumptionprovider-tls-default*unstable-offload-tlsunstable-provider-dcunstable_private_keyunstable_client_helloprovider-event-tracingunstable-provider-io-xdpunstable-provider-randomunstable-provider-datagramprovider-event-console-perfunstable-provider-io-testingunstable-provider-io-turmoilprovider-address-token-default*unstable-congestion-controllerunstable-provider-packet-interceptorunstable-provider-connection-close-formatter

README

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Maintainers

Dependencies
21
direct dependencies
Dependents
487
crates depend on s2n-quic