bumpalo
v3.20.3 StableA fast bump allocation arena for Rust.
Quick Verdict
- ✓Actively maintained (updated 52d ago)
- ✓Stable API (3.x for 7+ years)
- ✓Massive adoption (10.8K crates depend on it)
- ✓Permissive license (MIT OR Apache-2.0)
Security
Deep Insights
41.1M downloads in the last 30 days (1.4M/day). Volume is roughly flat compared to the previous period.
10.8K crates depend on bumpalo — it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.
The primary maintainer publishes 101 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.
The API has been stable (1.x) for over 7 years with 56 releases. This level of maturity means you can depend on it without worrying about breaking changes.
23% of releases have been yanked. Check version history before pinning.
Notable dependents include hashbrown, wasm-bindgen-macro-support, wasm-bindgen-backend, zopfli, wast. When high-quality crates choose bumpalo, 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