$breakpoints: $grid-breakpoints) {\n  $max: map-get($breakpoints, $name);\n  @return if($max and $max > 0, $max - .02, null);\n}\n\n// Returns a blank string if smallest breakpoint, otherwise returns the name with a dash in front.\n// Useful for making responsive utilities.\n//\n//    >> breakpoint-infix(xs, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px, xxl: 1400px))\n//    \"\"  (Returns a blank string)\n//    >> breakpoint-infix(sm, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px, xxl:...

@app.post("/items/", response_model=ItemV2)
def create_item(item: Item):
    return {"title": item.name, "summary": item.description}
```

Adding this feature was a big effort with the main objective of making it easier for the few applications still stuck in Pydantic v1 to migrate to Pydantic v2.

And with this, support for **Pydantic v1 is now deprecated** and will be **removed** from FastAPI in a future version soon.

default top margin\n  margin-top: 0;\n  // Reset browser default of `1em` to use `rem`s\n  margin-bottom: 1rem;\n  // Don't allow content to break outside\n  overflow: auto;\n  // Disable auto-hiding scrollbar in IE & legacy Edge to avoid overlap,\n  // making it impossible to interact with the content\n  -ms-overflow-style: scrollbar;\n}\n\n\n//\n// Figures\n//\n\nfigure {\n  // Apply a consistent margin strategy (matches our type styles).\n  margin: 0 0 1rem;\n}\n\n\n//\n// Images and content\n//\n\nimg...