public ClassSanityTester() {
    // TODO(benyu): bake these into ArbitraryInstances.
    setDefault(byte.class, (byte) 1);
    setDefault(Byte.class, (byte) 1);
    setDefault(short.class, (short) 1);
    setDefault(Short.class, (short) 1);
    setDefault(int.class, 1);
    setDefault(Integer.class, 1);
    setDefault(long.class, 1L);
    setDefault(Long.class, 1L);
    setDefault(float.class, 1F);

## 0.126.0 (2025-12-20)

### Upgrades

* ➖ Drop support for Pydantic v1, keeping short temporary support for Pydantic v2's `pydantic.v1`. PR [#14575](https://github.com/fastapi/fastapi/pull/14575) by [@tiangolo](https://github.com/tiangolo).
    * The minimum version of Pydantic installed is now `pydantic >=2.7.0`.