What's Changed
* (caching) improve s3 backend by Manouchehri in https://github.com/BerriAI/litellm/pull/1311
* Adds "pre-fill" support for Claude by spdustin in https://github.com/BerriAI/litellm/pull/1315
New Contributors
* spdustin made their first contribution in https://github.com/BerriAI/litellm/pull/1315
**Full Changelog**: https://github.com/BerriAI/litellm/compare/v1.16.16...v1.16.17