• fix parsing of custom root models, #4883 by @gou177
• fix: use dataclass proxy for frozen or empty dataclasses, #4878 by @PrettyWood
• Fix schema and schema_json on models where a model instance is a one of default values, #4781 by @Bobronium
• Add Jina AI to sponsors on docs index page, #4767 by @samuelcolvin
• fix: support assignment on DataclassProxy, #4695 by @PrettyWood
• Add postgresql+psycopg as allowed scheme for PostgreDsn to make it usable with SQLAlchemy 2, #4689 by @morian
• Allow dict schemas to have both patternProperties and additionalProperties, #4641 by @jparise
• Fixes error passing None for optional lists with unique_items, #4568 by @mfulgo
• Fix GenericModel with Callable param raising a TypeError, #4551 by @mfulgo
• Fix field regex with StrictStr type annotation, #4538 by @sisp
• Correct dataclass_transform keyword argument name from field_descriptors to field_specifiers, #4500 by @samuelcolvin
• fix: avoid multiple calls of __post_init__ when dataclasses are inherited, #4487 by @PrettyWood
• Reduce the size of binary wheels, #2276 by @samuelcolvin

Full Changelog: https://github.com/pydantic/pydantic/compare/v1.10.2...v1.10.3