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uniffi

v0.31.0 Growing

a multi-language bindings generator for rust

MPL-2.0 Edition 2021
#ffi#bindgen

Quick Verdict

  • โœ“Actively maintained (updated 73d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (1.7K crates depend on it)

Security

Checking security advisories...
Downloads
6.0M
Dependents
1.7K
Releases
63
Size
17KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

602.9K downloads in the last 30 days (20.1K/day), up 29% from the previous period.

๐Ÿ”—
Widely adopted

1.7K crates depend on uniffi. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ”ฌ
Pre-1.0 for over a year

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

๐Ÿ“
Compact crate

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

๐ŸŒŸ
Used by top crates

Notable dependents include glean-core, celestia-types, celestia-proto, matrix-sdk, matrix-sdk-common. When high-quality crates choose uniffi, it's a strong quality signal.

Health Breakdown

Maintenance 16/25

Recency, release consistency, active ratio

Quality 16/25

Yanked ratio, deps, size, maturity, features

Community 15/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 13/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
15K/day avg+65%
010K20K30K12/301/172/42/223/123/29

Top Dependents

Version Adoption

v0.28.3
47%
v0.29.4
18%
v0.29.5
13%
v0.29.3
11%
v0.29.2
11%

Release Timeline

63 releases2 yankedsince 2020
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2020
7
2021
16
2022
13
2023
9
2024
10
2025
7
2026
1
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Yanked

Feature Flags

default =["cargo-metadata"]

clibuildtokiobindgenffi-tracebindgen-testscargo-metadata*scaffolding-ffi-buffer-fnswasm-unstable-single-threaded

README

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Maintainers

Dependencies
10
direct dependencies
Dependents
1.7K
crates depend on uniffi

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