// [Buffer.ReadFrom]. As long as the [Buffer] has at least MinRead bytes beyond
// what is required to hold the contents of r, [Buffer.ReadFrom] will not grow the
// underlying buffer.
const MinRead = 512

// ReadFrom reads data from r until EOF and appends it to the buffer, growing
// the buffer as needed. The return value n is the number of bytes read. Any

* ⬆ Bump actions/setup-python from 2 to 4. PR [#5129](https://github.com/tiangolo/fastapi/pull/5129) by [@dependabot[bot]](https://github.com/apps/dependabot).
* 👷 Add Dependabot. PR [#5128](https://github.com/tiangolo/fastapi/pull/5128) by [@tiangolo](https://github.com/tiangolo).
* ♻️ Move from `Optional[X]` to `Union[X, None]` for internal utils. PR [#5124](https://github.com/tiangolo/fastapi/pull/5124) by [@tiangolo](https://github.com/tiangolo).