defmt
v1.1.1 StableA highly efficient logging framework that targets resource-constrained devices, like microcontrollers
Quick Verdict
- ✓Actively maintained (updated 10d ago)
- ✓Stable API (1.x for 5+ years)
- ✓Massive adoption (5.0K crates depend on it)
- ✓Team maintained (4 owners)
- ✓Permissive license (MIT OR Apache-2.0)
Security
Deep Insights
4.6M downloads in the last 30 days (153.0K/day), up 310% from the previous period.
5.0K crates depend on defmt. Strong ecosystem adoption means battle-tested code and long-term stability.
The primary maintainer publishes 92 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.
The API has been stable (1.x) for over 5 years with 29 releases. This level of maturity means you can depend on it without worrying about breaking changes.
At 33KB, defmt is lightweight. Small crate size correlates with focused, well-scoped functionality.
17% of releases have been yanked. Check version history before pinning.
Notable dependents include chrono, tinyvec, jiff, compact_str, heapless. When high-quality crates choose defmt, 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 defmt
