semver
v1.0.27 GrowingParser and evaluator for Cargo's flavor of Semantic Versioning
Quick Verdict
- ✓Stable API (1.x for 11+ years)
- ✓Massive adoption (43.8K crates depend on it)
- ✓Tiny footprint (30KB, 2 deps)
- ✓Permissive license (MIT OR Apache-2.0)
- !32% of releases were yanked
Security
Deep Insights
43.9M downloads in the last 30 days (1.5M/day), up 19% from the previous period.
43.8K crates depend on semver — it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.
The primary maintainer publishes 231 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 65 releases. This level of maturity means you can depend on it without worrying about breaking changes.
Only 2 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.
At 29KB, semver is lightweight. Small crate size correlates with focused, well-scoped functionality.
32% of releases have been yanked. Check version history before pinning.
Notable dependents include clap, nix, rustc_version, schemars, cargo_metadata. When high-quality crates choose semver, 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
Download Trend
Top Dependents
Most downloaded crates that depend on semver
Version Adoption
Release Timeline
Feature Flags
default =["std"]
