python3-msgspec 0.18.6+1-5 (amd64 binary) in ubuntu oracular

 msgspec is a library that provides the following features for serialization
 and validation of JSON, MessagePack, YAML, and TOML data:
 .
  * High performance encoders/decoders for common protocols. The JSON and
    MessagePack implementations regularly benchmark as the fastest options
    for Python.
  * Support for a wide variety of Python types. Additional types may be
    supported through extensions.
  * Zero-cost schema validation using familiar Python type annotations.
    In benchmarks msgspec decodes and validates JSON faster than orjson can
    decode it alone.
  * A speedy Struct type for representing structured data. If you already
    use dataclasses or attrs, structs should feel familiar. However, they're
    5-60x faster for common operations.
 .
 This package contains the Python 3 version.