smallvec
v1.15.1 Stable'Small vector' optimization: store up to a small number of items on the stack
Quick Verdict
- ✓Stable API (1.x for 11+ years)
- ✓Massive adoption (57.7K crates depend on it)
- ✓Team maintained (3 owners)
- ✓Permissive license (MIT OR Apache-2.0)
Security
Deep Insights
67.7M downloads in the last 30 days (2.3M/day), up 29% from the previous period.
57.7K crates depend on smallvec — it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.
The primary maintainer publishes 117 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.
The API has been stable (1.x) for over 11 years with 76 releases. This level of maturity means you can depend on it without worrying about breaking changes.
At 37KB, smallvec is lightweight. Small crate size correlates with focused, well-scoped functionality.
26% of releases have been yanked. Check version history before pinning.
Notable dependents include parking_lot_core, idna, hyper, ahash, tinyvec. When high-quality crates choose smallvec, it's a strong quality signal.
Health Breakdown
Recency, release consistency, active ratio
Yanked ratio, deps, size, maturity, features
Reverse deps, ownership, ecosystem
Downloads, momentum, growth trend
Docs, repo, license, metadata
