* 👷 Add custom token to Smokeshow and Preview Docs for download-artifact, to prevent API rate limits. PR [#9646](https://github.com/tiangolo/fastapi/pull/9646) by [@tiangolo](https://github.com/tiangolo).
* 👷 Add custom tokens for GitHub Actions to avoid rate limits. PR [#9647](https://github.com/tiangolo/fastapi/pull/9647) by [@tiangolo](https://github.com/tiangolo).
* ♻ Instantiate `HTTPException` only when needed, optimization refactor. PR [#5356](https://github.com/tiangolo/fastapi/pull/5356) by [@pawamoy](https://github.com/pawamoy).
* 📌 Update minimum version of Pydantic to >=1.7.4. PR [#9567](https://github.com/tiangolo/fastapi/pull/9567) by [@Kludex](https://github.com/Kludex).