🧩 FastAPI 0.157.0 Combines Request Parameter Models
Useful for developers consolidating request parameters into reusable models.
FastAPI 0.157.0 adds support for combining query, header, and cookie parameter models.
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Source: GitHub — FastAPI
📝 FastAPI 0.158.0 Adds Combined Form Models
Worth considering for applications that need reusable, composable form validation.
FastAPI 0.158.0 adds support for combining form models.
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Source: GitHub — FastAPI
🔧 FastAPI 0.159.0 Supports Optional Parameter Models
Helpful for APIs where request metadata is optional rather than universally required.
FastAPI 0.159.0 adds support for optional query, header, and cookie parameter models.
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Source: GitHub — FastAPI
⚙️ FastAPI 0.160.0 Changes Extra-Field Validation
Review request validation carefully before upgrading, especially if your API relies on accepting extra fields.
FastAPI 0.160.0 applies each parameter model’s extra configuration to all submitted fields in the same parameter location, including sibling parameters and dependencies. Unexpected fields are rejected, retained, or ignored according to the configured policy.
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Source: GitHub — FastAPI
🧩 FastAPI 0.161.0 Combines Unions of Form Models
Useful for applications that validate multiple alternative form structures.
FastAPI 0.161.0 adds support for combining unions of form models.
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Source: GitHub — FastAPI
🐍 FastAPI 0.162.0 Restores Boolean Form Defaults
Review form handling before upgrading, particularly HTML checkboxes and forms with optional boolean fields.
FastAPI 0.162.0 restores declared-default handling for omitted boolean form fields instead of automatically inferring False. Missing required fields now produce validation errors, consistent with Pydantic behavior.
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Source: GitHub — FastAPI
🔧 FastAPI 0.156.0 Preserves Pydantic Field Attributes
Relevant to developers relying on Pydantic field metadata in request definitions.
FastAPI 0.156.0 preserves Pydantic Field attributes in request parameters.
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Source: GitHub — FastAPI
⚠️ FastAPI 0.155.0 Removes Deprecated Parameter Arguments
Check parameter declarations before upgrading and migrate legacy extra arguments to json_schema_extra.
FastAPI 0.155.0 removes deprecated extra keyword arguments from request parameter helpers such as Path, Query, Header, Body, Form, and File. Additional JSON Schema properties should now use json_schema_extra, and unknown keyword arguments raise TypeError.
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Source: GitHub — FastAPI
🛠️ FastAPI 0.154.0 Adds Pydantic Validation Options
Worth a look for developers who need finer control over request parameter validation.
FastAPI 0.154.0 adds support for Pydantic validation options on request parameters.
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Source: GitHub — FastAPI