AWS Common Runtime (awscrt)

awscrt provides Python 3 bindings for the AWS Common Runtime, a collection of modular C libraries designed for high-performance and a minimal footprint in AWS applications. It offers foundational capabilities like I/O, TLS, and common AWS protocols (e.g., MQTT, HTTP, S3). The library is actively maintained, with version 0.32.0 released on March 26, 2026, and typically follows a frequent release cadence for minor updates and bug fixes.