Posts Tagged: breaking-changes
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Flask 3.1 to 4.0 Migration Guide: Breaking Changes in Werkzeug 3.0 Routing
Flask 3.1 to 4.0 migration guide: Fix Werkzeug 3.0 routing breaking changes including new state machine router, custom converters part_isolating=False, strict_slashes fixes, SERVER_NAME host_matching, UTF-8 charset removal. Code examples, steps, verification for seamless upgrade.
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Pydantic v2 Migration in FastAPI: Fixing model_validator Decorator Breaking Changes
Pydantic v2 @model_validator(mode='before') receives model instances in some cases like field assignment. Fixes for FastAPI migration, including code examples and tests.