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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 (897.9K 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
893.6M
Dependents
897.9K
Releases
315
Size
84KB

Deep Insights

📊
Steady growth

56.5M downloads in the last 30 days (1.9M/day), up 18% from the previous period.

🏛️
Foundational crate

897.9K 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 231 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 11/25

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
1.6M/day avg+52%
0500K1.0M1.5M2.0M12/291/162/32/213/113/28

Top Dependents

Version Adoption

v1.0.228
37%
v1.0.219
36%
v1.0.217
11%
v1.0.210
9%
v1.0.197
8%

Release Timeline

315 releases3 yankedsince 2014
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2014
1
2015
18
2016
44
2017
50
2018
56
2019
21
2020
14
2021
14
2022
20
2023
42
2024
24
2025
11
2026
Less
More|
Yanked

Feature Flags

default =["std"]

rcstd*allocderiveunstable

README

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Maintainers

Dependencies
2
direct dependencies
Dependents
897.9K
crates depend on serde

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