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config

v0.15.25 Growing

Layered configuration system for Rust applications.

MIT OR Apache-2.0 Edition 2024 MSRV 1.85.0
Configuration #environment#env#settings#config#configuration

Quick Verdict

  • βœ“Actively maintained (updated 17d ago)
  • !Pre-1.0: API may have breaking changes
  • βœ“Massive adoption (17.0K crates depend on it)
  • βœ“Team maintained (5 owners)
  • !Heavy dependency tree (26 direct deps)

Security

Checking security advisories...
Downloads
99.8M
Dependents
17.0K
Releases
57
Size
56KB

Deep Insights

πŸ“‰
Download decline

5.4M downloads in the last 30 days, down 28% from the previous period. May indicate migration to alternatives.

πŸ›οΈ
Foundational crate

17.0K crates depend on config β€” it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.

πŸ‘₯
Team maintained

This crate is maintained by a team (5 owners), reducing bus-factor risk and ensuring continuity.

πŸ”¬
Pre-1.0 for over a year

Despite being 11+ years old, config hasn't reached 1.0 yet. Expect potential API changes between versions.

πŸ“¦
Heavy dependency tree

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

🌟
Used by top crates

Notable dependents include deadpool, deadpool-postgres, deadpool-redis, nextest-runner, leptos_config. When high-quality crates choose config, it's a strong quality signal.

Health Breakdown

Maintenance 17/25

Recency, release consistency, active ratio

Quality 15/25

Yanked ratio, deps, size, maturity, features

Community 19/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads Β· last 90 days
200K/day avg-65%
0100K200K300K400K4/265/146/16/197/77/24

Top Dependents

Version Adoption

v0.15.19
41%
v0.15.22
33%
v0.15.18
12%
v0.15.23
11%
v0.15.21
3%

Release Timeline

10 releasessince 2025
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Feature Flags

default =["toml", "json", "yaml", "ini", "ron", "json5", "convert-case", "async"]

ini*cornjson*toml*yaml*async*json5*convert-case*preserve_order

README

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Maintainers

Dependencies
26
direct dependencies
Dependents
17.0K
crates depend on config

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