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lz4_flex

v0.13.0 Growing

Fastest LZ4 implementation in Rust, no unsafe by default.

MIT Edition 2021 MSRV 1.81
#compression#decompression#decompress#compress#lz4

Quick Verdict

  • โœ“Actively maintained (updated 12d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (3.9K crates depend on it)
  • โœ“Permissive license (MIT)

Security

Checking security advisories...
Downloads
83.0M
Dependents
3.9K
Releases
40
Size
45KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

8.3M downloads in the last 30 days (277.3K/day), up 21% from the previous period.

๐Ÿ”—
Widely adopted

3.9K crates depend on lz4_flex. Strong ecosystem adoption means battle-tested code and long-term stability.

โš ๏ธ
Single maintainer risk

lz4_flex has only 1 owner despite 3.9K dependents. This is a bus-factor concern โ€” consider the implications for long-term support.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 5+ years old, lz4_flex hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿ“
Compact crate

At 44KB, lz4_flex is lightweight. Small crate size correlates with focused, well-scoped functionality.

โš ๏ธ
Notable yanked versions

20% of releases have been yanked. Check version history before pinning.

๐ŸŒŸ
Used by top crates

Notable dependents include arrow-ipc, parquet, tantivy, vrl, clickhouse. When high-quality crates choose lz4_flex, it's a strong quality signal.

Health Breakdown

Maintenance 18/25

Recency, release consistency, active ratio

Quality 11/25

Yanked ratio, deps, size, maturity, features

Community 12/20

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
228K/day avg+49%
0100K200K300K400K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.9.5
46%
v0.10.0
39%
v0.11.6
6%
v0.9.2
5%
v0.7.5
4%

Release Timeline

40 releases8 yankedsince 2020
J
F
M
A
M
J
J
A
S
O
N
D
2020
16
2021
10
2022
3
2023
3
2024
2
2025
3
2026
3
Less
More|
Yanked

Feature Flags

default =["std", "safe-encode", "safe-decode", "frame", "checked-decode"]

std*frame*nightlysafe-decode*safe-encode*checked-decode*

README

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Maintainers

Dependencies
9
direct dependencies
Dependents
3.9K
crates depend on lz4_flex

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