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serde

v1.0.228 Growing

A generic serialization/deserialization framework

MIT OR Apache-2.0 Edition 2021 MSRV 1.56

Quick Verdict

  • Stable API (1.x for 11+ years)
  • Massive adoption (1.2M crates depend on it)
  • Team maintained (2 owners)
  • Tiny footprint (84KB, 2 deps)
  • Permissive license (MIT OR Apache-2.0)

Security

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Downloads
1.2B
Dependents
1.2M
Releases
315
Size
84KB

Deep Insights

📊
Stable downloads

80.5M downloads in the last 30 days (2.7M/day). Volume is roughly flat compared to the previous period.

🏛️
Foundational crate

1.2M crates depend on serde — it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.

👤
Prolific maintainer

The primary maintainer publishes 232 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

Stable for 11+ years

The API has been stable (1.x) for over 11 years with 315 releases. This level of maturity means you can depend on it without worrying about breaking changes.

🪶
Minimal dependencies

Only 2 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

🌟
Used by top crates

Notable dependents include hashbrown, bitflags, rand, indexmap, rand_chacha. When high-quality crates choose serde, it's a strong quality signal.

Health Breakdown

Maintenance 9/25

Recency, release consistency, active ratio

Quality 22/25

Yanked ratio, deps, size, maturity, features

Community 20/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads · last 90 days
2.3M/day avg-41%
01.0M2.0M3.0M4/265/146/16/197/77/24

Top Dependents

Version Adoption

v1.0.228
67%
v1.0.219
30%
v1.0.226
1%
v1.0.225
1%
v1.0.224
0%

Release Timeline

10 releasessince 2025
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2025
10
2026
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Feature Flags

default =["std"]

rcstd*allocderiveunstable

README

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Maintainers

Dependencies
2
direct dependencies
Dependents
1.2M
crates depend on serde

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