proptest
v1.11.0 StableHypothesis-like property-based testing and shrinking.
Quick Verdict
- ✓Stable API (1.x for 9+ years)
- ✓Massive adoption (95.6K crates depend on it)
- ✓Team maintained (3 owners)
- ✓Permissive license (MIT OR Apache-2.0)
Security
Deep Insights
13.6M downloads in the last 30 days (452.1K/day). Volume is roughly flat compared to the previous period.
95.6K crates depend on proptest — it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.
This crate is maintained by a team (3 owners), reducing bus-factor risk and ensuring continuity.
The API has been stable (1.x) for over 9 years with 48 releases. This level of maturity means you can depend on it without worrying about breaking changes.
Notable dependents include tokio, winnow, toml_edit, nom, anstream. When high-quality crates choose proptest, 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 proptest
Version Adoption
Release Timeline
Feature Flags
default =["std", "fork", "timeout", "bit-set"]
