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wasmi

v1.0.9 Growing

WebAssembly interpreter

MIT/Apache-2.0 Edition 2021 MSRV 1.86
No standard libraryWebAssemblyVirtualization #interpreter#vm#wasm#webassembly

Quick Verdict

  • โœ“Actively maintained (updated 83d ago)
  • โœ“Stable API (1.x for 8+ years)
  • โœ“Massive adoption (1.2K crates depend on it)
  • โœ“Permissive license (MIT/Apache-2.0)
  • !40% of releases were yanked

Security

Checking security advisories...
Downloads
18.0M
Dependents
1.2K
Releases
130
Size
241KB

Deep Insights

๐Ÿ“Š
Stable downloads

917.6K downloads in the last 30 days (30.6K/day). Volume is roughly flat compared to the previous period.

๐Ÿ”—
Widely adopted

1.2K crates depend on wasmi. Strong ecosystem adoption means battle-tested code and long-term stability.

โš ๏ธ
Single maintainer risk

wasmi has only 1 owner despite 1.2K dependents. This is a bus-factor concern โ€” consider the implications for long-term support.

โœ…
Stable for 8+ years

The API has been stable (1.x) for over 8 years with 130 releases. This level of maturity means you can depend on it without worrying about breaking changes.

โš ๏ธ
Notable yanked versions

40% of releases have been yanked. Check version history before pinning.

๐ŸŒŸ
Used by top crates

Notable dependents include rustybuzz, wasm-instrument, smoldot, typst-library, pallet-contracts. When high-quality crates choose wasmi, it's a strong quality signal.

Health Breakdown

Maintenance 14/25

Recency, release consistency, active ratio

Quality 11/25

Yanked ratio, deps, size, maturity, features

Community 14/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
32K/day avg-6%
010K20K30K40K50K2/263/164/34/215/95/26

Top Dependents

Version Adoption

v1.0.8
58%
v1.0.9
32%
v1.0.7
8%
v1.0.4
1%
v2.0.0-beta.2
0%

Release Timeline

10 releasessince 2025
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2025
4
2026
6
Less
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Feature Flags

default =["std", "wat"]

std*wat*simdextra-checkshash-collectionsprefer-btree-collections

README

Loading README...

Maintainers

Dependencies
8
direct dependencies
Dependents
1.2K
crates depend on wasmi

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