Docs for this pre-release are available here

• Update requirement to typing_extensions>=4.1.0 to guarantee dataclass_transform is available, #4424 by @commonism
• Add Explosion and AWS to main sponsors, #4413 by @samuelcolvin
• Update documentation for copy_on_model_validation to reflect recent changes, #4369 by @samuelcolvin

Full Changelog https://github.com/pydantic/pydantic/compare/v1.10.0a1...v1.10.0a2