What's Changed
* Version 4 with better open source model support and no langchain by whitead in https://github.com/whitead/paper-qa/pull/223
* Prevent error loading pdf: Added pymupdf/fitz open to get page count by ekcomputer in https://github.com/whitead/paper-qa/pull/225
New Contributors
* ekcomputer made their first contribution in https://github.com/whitead/paper-qa/pull/225
**Full Changelog**: https://github.com/whitead/paper-qa/compare/v3.13.4...4.0.0-pre.1