Pydantic — OpenAPI schema

What This Cluster Means

Pydantic cluster (18 fixes): OpenAPI/schema regressions: generated schemas change and break clients/tooling after upgrades.

Top Queries / Error Strings

These are the lines developers tend to search during incidents.

• 1. Profiling code for a variety of cases - complex models, simple models, `pydantic` imports, etc. I'm trying to identify where the most significant bottlenecks are, and where we're doing more than we need to in terms of
• A little context: I was trying to write some code that creates a "stripped down version" of a schema to be used with Gemini
• Add performance tests for schema building + data validation -- discriminated union edition
• Difference between TypeAdapter().json_schema and BaseModel.model_json_schema
• For example, generating a single python file that contains all Pydantic models from the Swagger API schemas below demonstrates this issue clearly.

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