thread_local

33.6M downloads in the last 30 days (1.1M/day), up 18% from the previous period.

2.8K crates depend on thread_local. Strong ecosystem adoption means battle-tested code and long-term stability.

thread_local has only 1 owner despite 2.8K dependents. This is a bus-factor concern — consider the implications for long-term support.

The API has been stable (1.x) for over 9 years with 28 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 19KB, thread_local is lightweight. Small crate size correlates with focused, well-scoped functionality.

Notable dependents include tracing-subscriber, slog-term, slog-async, console-subscriber, fuzzy-matcher. When high-quality crates choose thread_local, it's a strong quality signal.