v2.0.1

mem0ai/mem0v2.0.1Apr 25, 2026by whysosaket

AI Summary

Comprehensive bug fixes in Python SDK including client filtering, memory extraction pipeline, missing fields, metadata filter merging, LLM model checks, vector store configurations, and embedding dimensions.

Key Highlights

Client: Map user_id, agent_id, run_id entity params to filters in GET /memories
Memory: Honor prompt param in vector store extraction pipeline
Memory: Add missing text_lemmatized field in AsyncMemory._create_memory
Memory: Merge same-key operator dicts in AND metadata filters
Vector Stores: Add ca_certs config option for Elasticsearch vector store
Vector Stores: Add agent_id and run_id to Elasticsearch/OpenSearch default mappings
Embeddings: Set FastEmbed embedding_dims from model metadata at init
Security: Bump vulnerable dependencies to patched versions

Full Release Notes

## Mem0 Python SDK (v2.0.1)

**Bug Fixes:**
- **Client:** Map `user_id`, `agent_id`, `run_id` entity params to filters in `GET /memories` ([#4960](https://github.com/mem0ai/mem0/pull/4960))
- **Memory:** Honor `prompt` param in vector store extraction pipeline ([#4914](https://github.com/mem0ai/mem0/pull/4914))
- **Memory:** Add missing `text_lemmatized` field in `AsyncMemory._create_memory` ([#4886](https://github.com/mem0ai/mem0/pull/4886))
- **Memory:** Merge same-key operator dicts in AND metadata filters ([#4853](https://github.com/mem0ai/mem0/pull/4853))
- **LLMs:** Narrow `_is_reasoning_model` check to not match `gpt-5.x` variants ([#4746](https://github.com/mem0ai/mem0/pull/4746))
- **Vector Stores:** Add `ca_certs` config option for Elasticsearch vector store ([#3993](https://github.com/mem0ai/mem0/pull/3993))
- **Vector Stores:** Add `agent_id` and `run_id` to Elasticsearch/OpenSearch default mappings ([#4906](https://github.com/mem0ai/mem0/pull/4906))
- **Embeddings:** Set FastEmbed `embedding_dims` from model metadata at init ([#4711](https://github.com/mem0ai/mem0/pull/4711))

**Security:**
- Bump vulnerable dependencies to patched versions ([#4835](https://github.com/mem0ai/mem0/pull/4835))