1.6.5

langflow-ai/langflow1.6.5Oct 21, 2025by github-actions[bot]

AI Summary

Stabilizes agent functionality by pinning the MCP Composer version and fixing agent streaming and edge handling logic.

Key Highlights

Pinned mcp-composer to specific version
Fixed agent streaming cumulative tokens
Fixed cleanEdges to work with group_outputs logic

New Features

Pin mcp-composer to specific version

Full Release Notes

<!-- Release notes generated using configuration in .github/release.yml at 1.6.5 -->

## What's Changed
### ✨ New Features
* feat: pin mcp-composer to specific version by @jordanrfrazier in https://github.com/langflow-ai/langflow/pull/10285
### 🐛 Bug Fixes
* fix: fix cleanEdges to work with group_outputs logic, make tests by @lucaseduoli in https://github.com/langflow-ai/langflow/pull/10188
* fix: group output comment by @lucaseduoli in https://github.com/langflow-ai/langflow/pull/10212
* fix: Extract text content from Message objects for agent input by @jordanrfrazier in https://github.com/langflow-ai/langflow/pull/10219
* fix: non-processible error when empty body is sent to fastAPI (#10248) by @jordanrfrazier in https://github.com/langflow-ai/langflow/pull/10253
* fix: agent streaming cumulative tokens instead of partial messages by @jordanrfrazier in https://github.com/langflow-ai/langflow/pull/10216


**Full Changelog**: https://github.com/langflow-ai/langflow/compare/1.6.4...1.6.5