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serde-aux

v4.7.0 Growing

A serde crate's auxiliary library

MIT Edition 2021 MSRV 1.62
#serialization#serde#deserialization

Quick Verdict

  • โœ•Not updated for 1+ year
  • โœ“Stable API (4.x for 8+ years)
  • โœ“Massive adoption (1.6K crates depend on it)
  • โœ“Permissive license (MIT)

Security

Checking security advisories...
Downloads
20.1M
Dependents
1.6K
Releases
32
Size
17KB

Deep Insights

๐Ÿ“Š
Steady growth

1.4M downloads in the last 30 days (46.1K/day), up 15% from the previous period.

๐Ÿ”—
Widely adopted

1.6K crates depend on serde-aux. Strong ecosystem adoption means battle-tested code and long-term stability.

โš ๏ธ
Single maintainer risk

serde-aux has only 1 owner despite 1.6K dependents. This is a bus-factor concern โ€” consider the implications for long-term support.

โœ…
Stable for 8+ years

The API has been stable (1.x) for over 8 years with 32 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“
Compact crate

At 16KB, serde-aux is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include songbird, stellar-rpc-client, soroban-cli, icu_datagen, mehari. When high-quality crates choose serde-aux, it's a strong quality signal.

Health Breakdown

Maintenance 7/25

Recency, release consistency, active ratio

Quality 17/25

Yanked ratio, deps, size, maturity, features

Community 12/20

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
42K/day avg+12%
020K40K60K80K2/263/164/34/215/95/26

Top Dependents

Version Adoption

v4.7.0
46%
v4.5.0
25%
v4.2.0
16%
v4.6.0
7%
v4.1.2
6%

Release Timeline

10 releases1 yankedsince 2022
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2022
3
2023
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2024
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2025
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2026
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Feature Flags

default =["chrono"]

README

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Maintainers

Dependencies
5
direct dependencies
Dependents
1.6K
crates depend on serde-aux

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