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v1.11.1

langflow-ai/langflowv1.11.1Jul 28, 2026by github-actions[bot]

AI Summary

A bug fix release backporting security hardening measures from v1.11.2 and fixing issues related to MCP search registry queries and FastAPI.

Key Highlights

  • Backported SSRF policy fixes for A2A agent and PaddleOCR base URLs
  • Fixed MCP search registry to match display_name and description
  • Restored FastAPI range dependency

Full Release Notes

<!-- Release notes generated using configuration in .github/release.yml at v1.11.1 -->

## What's Changed
### 🐛 Bug Fixes
* fix: increment previous_content with content streamed by @lucaseduoli in https://github.com/langflow-ai/langflow/pull/14234
* fix: add default fallback to instantiation.py and removed default ollama base url from components by @lucaseduoli in https://github.com/langflow-ai/langflow/pull/14236
* fix(tracing): detach orphan spans before database flush by @erichare in https://github.com/langflow-ai/langflow/pull/14243
* fix(settings): enable agentic experience by default by @Cristhianzl in https://github.com/langflow-ai/langflow/pull/14244
* fix(auth): keep refresh sessions alive on HTTP by @erichare in https://github.com/langflow-ai/langflow/pull/14252
* fix(mem0): defer client import during startup by @Success6666 in https://github.com/langflow-ai/langflow/pull/14247
* fix(components): stop legacy aliases from importing every bundle at startup by @erichare in https://github.com/langflow-ai/langflow/pull/14259
* fix(frontend): reset modifier-only saved shortcuts to default by @Cristhianzl in https://github.com/langflow-ai/langflow/pull/14245
* fix(ssrf): honor connector loopback policy for A2A agent and PaddleOCR base URLs by @erichare in https://github.com/langflow-ai/langflow/pull/14265
* fix(components): send chained input as user turn by @Cristhianzl in https://github.com/langflow-ai/langflow/pull/14286
* fix(cuga): correct event debug log typo by @erichare in https://github.com/langflow-ai/langflow/pull/14275
* fix(mcp): match display_name and description in search_registry query filter by @Simonzhaohui in https://github.com/langflow-ai/langflow/pull/14270
* fix(mcp): backport MCP SDK <2.0 pin for uvx-launched servers by @viktoravelino in https://github.com/langflow-ai/langflow/pull/14298
* fix(deps): restore FastAPI range by @erichare in https://github.com/langflow-ai/langflow/pull/14301
### 📝 Documentation Updates
* docs: fastapi pagination error troubleshooting by @mendonk in https://github.com/langflow-ai/langflow/pull/14294
### 🛠 Maintenance Tasks
* refactor(frontend): Add customization hook for API timestamp parsing by @Cristhianzl in https://github.com/langflow-ai/langflow/pull/14246
### Others
* chore: update deps 1.11.1 by @Adam-Aghili in https://github.com/langflow-ai/langflow/pull/14280

## New Contributors
* @Success6666 made their first contribution in https://github.com/langflow-ai/langflow/pull/14247
* @Simonzhaohui made their first contribution in https://github.com/langflow-ai/langflow/pull/14270

**Full Changelog**: https://github.com/langflow-ai/langflow/compare/v1.11.0...v1.11.1