v0.20.0

[uberdeveloper]

0.20.0 [320/475]

Breaking Changes

• Pydantic 2.x upgrade - Major compatibility upgrade with breaking changes
• Migrated from deprecated @validator to @field_validator decorators * Updated Config classes to model_config with ConfigDict
• Replaced .dict() method calls with .model_dump() throughout codebase * Changed JSON field type to Dict[str, Any] for better type safety
• Updated order_id field to string type for consistency across models
• Removed deprecated __fields__ and underscore_attrs_are_private attributes
• Updated default OrderLock PrivateAttr initialization

Features

• Full Pydantic v2 compatibility with enhanced validation capabilities
• Improved type hints with Dict instead of defaultdict imports
• Enhanced error handling with ValueError instead of TypeError in custom validators
• Better support for Optional fields with default None values
• Updated breeze-connect dependency version for Pydantic 2.x compatibility

Improvements

• arbitrary_types_allowed=True added to ConfigDict for pendulum DateTime compatibility
• Fixed validator method signatures for Pydantic v2 strict validation
• Enhanced model configuration with modern Pydantic patterns
• All 149 simulation tests passing with zero warnings
• Maintained full backward compatibility while upgrading to Pydantic v2

Fixes

• Eliminated all pydantic_core._pydantic_core.ValidationError across entire codebase
• Fixed validation errors in order management, multi-user system, candlestick models, and straddle algorithms
• Updated all model definitions, test files, and deprecated method calls
• Fixed Optional field validation with proper default values

What's Changed

• Create codeql.yml by @uberdeveloper in Create codeql.yml #53
• feat: Setup MkDocs with Material theme for documentation by @uberdeveloper in feat: Setup MkDocs with Material theme for documentation #54
• refactor: Remove straddle.md from API documentation by @uberdeveloper in refactor: Remove straddle.md from API documentation #55

New Contributors

• @uberdeveloper made their first contribution in Create codeql.yml #53

Full Changelog: v0.18.0...v0.20.0

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This discussion was created from the release v0.20.0.