> This page is for SDK, version Legacy.
> For other versions, use one of these documentation indexes:
> - Current (default): https://buildwithfern.com/learn/sdks/current/llms.txt
> - Legacy: https://buildwithfern.com/learn/sdks/legacy/llms.txt

> For clean Markdown content of this page, append .md to this URL. For the complete documentation index, see https://buildwithfern.com/learn/llms.txt. For task-scoped instructions for coding agents working in a Fern project, see https://buildwithfern.com/learn/home/fern-instructions.md.

## 5.41.12

**`(fix):`** Generated SDKs now keep the original copyright and license notices for core files
adapted from open-source projects: `core/jsonable_encoder.py` (FastAPI, MIT), the four
`core/http_sse/` modules (httpx-sse, MIT), the `Retry-After` parsing in
`core/http_client.py` (urllib3, MIT) and the file types in `core/file.py` (httpx, BSD-3-Clause).