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async-nats

v0.49.1 Growing

A async Rust NATS client

Apache-2.0 Edition 2021 MSRV 1.88.0
API bindingsNetwork programming #client#api#messaging#nats

Quick Verdict

  • โœ“Actively maintained (updated 39d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (4.4K crates depend on it)
  • !Heavy dependency tree (39 direct deps)
  • โœ“Permissive license (Apache-2.0)

Security

Checking security advisories...
Downloads
43.3M
Dependents
4.4K
Releases
70
Size
372KB

Deep Insights

๐Ÿ“‰
Download decline

1.8M downloads in the last 30 days, down 75% from the previous period. May indicate migration to alternatives.

๐Ÿ”—
Widely adopted

4.4K crates depend on async-nats. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 6+ years old, async-nats hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿ“ฆ
Heavy dependency tree

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

๐ŸŒŸ
Used by top crates

Notable dependents include testcontainers-modules, tokio-cron-scheduler, cloudevents-sdk, wrpc-transport-nats, wrpc-interface-http. When high-quality crates choose async-nats, it's a strong quality signal.

Health Breakdown

Maintenance 17/25

Recency, release consistency, active ratio

Quality 13/25

Yanked ratio, deps, size, maturity, features

Community 17/20

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
181K/day avg-93%
0200K400K600K4/265/146/16/197/77/24

Top Dependents

Version Adoption

v0.45.0
33%
v0.47.0
28%
v0.46.0
20%
v0.49.1
11%
v0.44.2
8%

Release Timeline

10 releasessince 2025
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Feature Flags

default =["server_2_10", "server_2_11", "server_2_12", "server_2_14", "service", "ring", "jetstream", "nkeys", "crypto", "object-store", "kv", "websockets", "nuid"]

kv*fipsnuid*ring*nkeys*crypto*service*aws-lc-rsjetstream*slow_testswebsockets*server_2_10*server_2_11*server_2_12*server_2_14*experimentalobject-store*compatibility_tests

README

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Maintainers

Dependencies
39
direct dependencies
Dependents
4.4K
crates depend on async-nats

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