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53

sfv

v0.14.0 Growing

Structured Field Values for HTTP parser. Implementation of RFC 8941 and RFC 9651.

MIT/Apache-2.0 Edition 2021 MSRV 1.77
#http-header#structured-header

Quick Verdict

  • !Pre-1.0: API may have breaking changes
  • โœ“Trusted by 201 crates
  • โœ“Permissive license (MIT/Apache-2.0)

Security

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Downloads
8.0M
Dependents
201
Releases
20
Size
46KB

Deep Insights

๐Ÿ“Š
Stable downloads

1.3M downloads in the last 30 days (41.8K/day). Volume is roughly flat compared to the previous period.

๐Ÿ”—
Moderate adoption

201 crates depend on sfv. Reasonable ecosystem adoption, though not yet a core dependency.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 5+ years old, sfv hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿ“
Compact crate

At 45KB, sfv is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include pingora-core, quiche, web-transport-proto, web-bot-auth, httpsig. When high-quality crates choose sfv, it's a strong quality signal.

Health Breakdown

Maintenance 9/25

Recency, release consistency, active ratio

Quality 11/25

Yanked ratio, deps, size, maturity, features

Community 10/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
38K/day avg+73%
020K40K60K80K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.10.4
45%
v0.9.4
26%
v0.11.0
12%
v0.14.0
11%
v0.13.0
6%

Release Timeline

20 releases2 yankedsince 2020
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A
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2020
11
2021
1
2022
2
2023
2024
1
2025
5
2026
Less
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Yanked

Feature Flags

default =["parsed-types"]

arbitraryparsed-types*

README

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Maintainers

Dependencies
8
direct dependencies
Dependents
201
crates depend on sfv

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