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parity-scale-codec

v3.7.5 Growing

SCALE - Simple Concatenating Aggregated Little Endians

Apache-2.0 Edition 2021 MSRV 1.79.0

Quick Verdict

  • Not updated for 1+ year
  • Stable API (3.x for 6+ years)
  • Massive adoption (22.9K crates depend on it)
  • Team maintained (3 owners)
  • Permissive license (Apache-2.0)

Security

Checking security advisories...
Downloads
46.5M
Dependents
22.9K
Releases
64
Size
63KB

Deep Insights

📊
Steady growth

2.8M downloads in the last 30 days (94.6K/day), up 13% from the previous period.

🏛️
Foundational crate

22.9K crates depend on parity-scale-codec — it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.

👥
Team maintained

This crate is maintained by a team (3 owners), reducing bus-factor risk and ensuring continuity.

Stable for 6+ years

The API has been stable (1.x) for over 6 years with 64 releases. This level of maturity means you can depend on it without worrying about breaking changes.

⚠️
Notable yanked versions

28% of releases have been yanked. Check version history before pinning.

🌟
Used by top crates

Notable dependents include impl-codec, multihash, scale-info, ruint, cid. When high-quality crates choose parity-scale-codec, it's a strong quality signal.

Health Breakdown

Maintenance 8/25

Recency, release consistency, active ratio

Quality 15/25

Yanked ratio, deps, size, maturity, features

Community 17/20

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
87K/day avg+15%
050K100K150K2/263/164/34/215/95/26

Top Dependents

Version Adoption

v3.7.5
49%
v3.6.12
27%
v3.7.4
14%
v3.6.9
9%
v3.6.11
1%

Release Timeline

10 releases4 yankedsince 2023
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A
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A
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2023
1
2024
4
2025
5
2026
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Yanked

Feature Flags

default =["std"]

std*fullfuzzderivebit-vecchain-errormax-encoded-len

README

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Maintainers

Dependencies
19
direct dependencies
Dependents
22.9K
crates depend on parity-scale-codec