What's Changed
* fix: ingestion for multiple langchain callbacks by hughcrt in https://github.com/lunary-ai/lunary/pull/451
* fix: misc errors by hughcrt in https://github.com/lunary-ai/lunary/pull/452
* fix: ingestion by hughcrt in https://github.com/lunary-ai/lunary/pull/455
* feat: add timeout for tokenizer by hughcrt in https://github.com/lunary-ai/lunary/pull/456
* feat: improve token counting by hughcrt in https://github.com/lunary-ai/lunary/pull/457
* perf: remove unused postgres indexes by hughcrt in https://github.com/lunary-ai/lunary/pull/458
* perf: run and external_users queries by hughcrt in https://github.com/lunary-ai/lunary/pull/459
**Full Changelog**: https://github.com/lunary-ai/lunary/compare/v1.4.0...v1.4.1