serde_with
v3.21.0 StableCustom de/serialization functions for Rust's serde
Quick Verdict
- ✓Actively maintained (updated 39d ago)
- ✓Stable API (3.x for 8+ years)
- ✓Massive adoption (41.0K crates depend on it)
- !Heavy dependency tree (37 direct deps)
- ✓Permissive license (MIT OR Apache-2.0)
Security
Deep Insights
22.7M downloads in the last 30 days (757.8K/day), up 1% from the previous period.
41.0K crates depend on serde_with — it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.
serde_with has only 1 owner despite 41.0K dependents. This is a bus-factor concern — consider the implications for long-term support.
The API has been stable (1.x) for over 8 years with 75 releases. This level of maturity means you can depend on it without worrying about breaking changes.
37 direct dependencies. Consider the impact on compile times and supply chain complexity.
Notable dependents include rand_distr, serde_qs, ark-serialize, bollard-stubs, utoipa-gen. When high-quality crates choose serde_with, 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 serde_with
Version Adoption
Release Timeline
Feature Flags
default =["std", "macros"]