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rhai

v1.24.0 Stable

Embedded scripting for Rust

MIT OR Apache-2.0 Edition 2018 MSRV 1.66.0
Embedded developmentParser implementationsNo standard libraryWebAssembly #scripting#embedded#scripting-engine#scripting-language

Quick Verdict

  • โœ“Actively maintained (updated 67d ago)
  • โœ“Stable API (1.x for 10+ years)
  • โœ“Massive adoption (3.0K crates depend on it)
  • !Heavy dependency tree (23 direct deps)
  • โœ“Permissive license (MIT OR Apache-2.0)

Security

Checking security advisories...
Downloads
5.8M
Dependents
3.0K
Releases
101
Size
336KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

533.9K downloads in the last 30 days (17.8K/day), up 38% from the previous period.

๐Ÿ”—
Widely adopted

3.0K crates depend on rhai. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 86 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

โœ…
Stable for 10+ years

The API has been stable (1.x) for over 10 years with 101 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“ฆ
Heavy dependency tree

23 direct dependencies. Consider the impact on compile times and supply chain complexity.

๐ŸŒŸ
Used by top crates

Notable dependents include handlebars, rhai_codegen, cargo-generate, casbin, apollo-router. When high-quality crates choose rhai, it's a strong quality signal.

Health Breakdown

Maintenance 15/25

Recency, release consistency, active ratio

Quality 17/25

Yanked ratio, deps, size, maturity, features

Community 19/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 11/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
13K/day avg+103%
05K10K15K20K25K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v1.19.0
23%
v1.20.1
21%
v1.21.0
20%
v1.22.2
20%
v1.24.0
16%

Release Timeline

101 releases9 yankedsince 2016
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2016
4
2017
5
2018
2
2019
1
2020
26
2021
23
2022
13
2023
8
2024
7
2025
11
2026
1
Less
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Yanked

Feature Flags

default =["std", "ahash/runtime-rng"]

std*fuzzsyncserdeno_stddecimalno_timemetadatano_floatno_indexonly_i32only_i64unstabledebuggingf32_floatinternalsno_moduleno_objectuncheckedno_closureno_functionno_optimizeno_positionbin-featureswasm-bindgentesting-environno_custom_syntaxunicode-xid-ident

README

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Maintainers

Dependencies
23
direct dependencies
Dependents
3.0K
crates depend on rhai

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