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zerocopy

v0.8.54 Growing

Zerocopy makes zero-cost memory manipulation effortless. We write "unsafe" so you don't have to.

BSD-2-Clause OR Apache-2.0 OR MIT Edition 2021 MSRV 1.56.0

Quick Verdict

  • โœ“Actively maintained (updated 5d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (9.1K crates depend on it)
  • โœ“Permissive license (BSD-2-Clause OR Apache-2.0 OR MIT)
  • !35% of releases were yanked

Security

Checking security advisories...
Downloads
720.3M
Dependents
9.1K
Releases
165
Size
285KB

Deep Insights

๐Ÿ“Š
Stable downloads

69.1M downloads in the last 30 days (2.3M/day). Volume is roughly flat compared to the previous period.

๐Ÿ”—
Widely adopted

9.1K crates depend on zerocopy. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 7+ years old, zerocopy hasn't reached 1.0 yet. Expect potential API changes between versions.

โš ๏ธ
Notable yanked versions

35% of releases have been yanked. Check version history before pinning.

๐ŸŒŸ
Used by top crates

Notable dependents include bitflags, ppv-lite86, uuid, ahash, half. When high-quality crates choose zerocopy, it's a strong quality signal.

Health Breakdown

Maintenance 19/25

Recency, release consistency, active ratio

Quality 9/25

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 ยท last 90 days
2.0M/day avg-41%
01.0M2.0M3.0M4/265/146/16/197/77/24

Top Dependents

Version Adoption

v0.8.48
63%
v0.8.52
17%
v0.8.47
10%
v0.8.50
9%
v0.8.54
2%

Release Timeline

10 releasessince 2026
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2026
10
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Feature Flags

stdsimdallocderivesimd-nightlyfloat-nightly__internal_use_only_features_that_work_on_stable

README

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Maintainers

Dependencies
9
direct dependencies
Dependents
9.1K
crates depend on zerocopy

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