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arc-swap

v1.9.0 Stable

Atomically swappable Arc

MIT OR Apache-2.0 Edition 2018

Quick Verdict

  • Actively maintained (updated 6d ago)
  • Stable API (1.x for 7+ years)
  • Massive adoption (8.8K crates depend on it)
  • Team maintained (2 owners)
  • Permissive license (MIT OR Apache-2.0)

Security

Checking security advisories...
Downloads
193.4M
Dependents
8.8K
Releases
45
Size
81KB

Deep Insights

📈
Strong growth momentum

15.5M downloads in the last 30 days (516.8K/day), up 21% from the previous period.

🔗
Widely adopted

8.8K crates depend on arc-swap. Strong ecosystem adoption means battle-tested code and long-term stability.

👥
Team maintained

This crate is maintained by a team (2 owners), reducing bus-factor risk and ensuring continuity.

Stable for 7+ years

The API has been stable (1.x) for over 7 years with 45 releases. This level of maturity means you can depend on it without worrying about breaking changes.

⚠️
Notable yanked versions

18% of releases have been yanked. Check version history before pinning.

🌟
Used by top crates

Notable dependents include triomphe, redis, pprof, gix-odb, axum-server. When high-quality crates choose arc-swap, it's a strong quality signal.

Health Breakdown

Maintenance 18/25

Recency, release consistency, active ratio

Quality 16/25

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 · last 90 days
413K/day avg+68%
0200K400K600K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v1.7.1
65%
v1.6.0
22%
v1.5.0
5%
v1.8.2
4%
v1.8.0
4%

Release Timeline

45 releases8 yankedsince 2018
J
F
M
A
M
J
J
A
S
O
N
D
2018
14
2019
10
2020
7
2021
6
2022
2
2023
2024
2
2025
1
2026
3
Less
More|
Yanked

Feature Flags

weakexperimental-strategiesinternal-test-strategiesexperimental-thread-local

README

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Maintainers

Dependencies
12
direct dependencies
Dependents
8.8K
crates depend on arc-swap

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