v1.12.5
resend/react-emailv1.12.5Oct 6, 2026by github-actions[bot]
Upgrading?
AI Summary
This release focuses on stability and security improvements, fixing session management leaks in the Model Context Protocol (MCP), enforcing authenticated execution policies, and upgrading vulnerable dependencies.
Key Highlights
- Fixes session leaks and timeout retries in MCP.
- Enforces authenticated execution policy and restricts built-in code execution to administrators.
- Fixes Data addition mutation issues.
- Upgrades vulnerable dependencies.
Full Release Notes
<!-- Release notes generated using configuration in .github/release.yml at v1.12.5 --> ## What's Changed ### 🐛 Bug Fixes * fix(mcp): stop session leak and timeout retries by @Cristhianzl in https://github.com/langflow-ai/langflow/pull/15460 * fix(mcp): bound server discovery concurrency and cleanup by @Adam-Aghili in https://github.com/langflow-ai/langflow/pull/15522 * fix(mcp): forward global variable headers from the environment by @erichare in https://github.com/langflow-ai/langflow/pull/15500 * fix(mcp): redact server credentials from management responses by @erichare in https://github.com/langflow-ai/langflow/pull/15529 * fix(a2a): enforce authenticated execution policy by @erichare in https://github.com/langflow-ai/langflow/pull/15530 * fix(security): restrict built-in code execution to administrators by @erichare in https://github.com/langflow-ai/langflow/pull/15531 * fix(security): confine stored chat attachments to authorized storage by @erichare in https://github.com/langflow-ai/langflow/pull/15532 * fix(deps): upgrade vulnerable dependencies for 1.12.5 by @Adam-Aghili in https://github.com/langflow-ai/langflow/pull/15505 * fix(lfx): stop Data addition from mutating the left operand's lists by @viktoravelino in https://github.com/langflow-ai/langflow/pull/15514 * fix(mcp): replace a pooled session whose server died by @Cristhianzl in https://github.com/langflow-ai/langflow/pull/15469 * fix(memory): preserve cancelled ingestion status on release-1.12.5 by @erichare in https://github.com/langflow-ai/langflow/pull/15554 * fix(lfx): match numeric columns in the Filter equals operators by @MohammadHijjawi97 in https://github.com/langflow-ai/langflow/pull/15486 * fix(api): bound the session list returned by /monitor/messages/sessions by @AhsanAkhlaq in https://github.com/langflow-ai/langflow/pull/15466 * fix(lfx): skip the markdown delimiter row in Text to DataFrame by @MohammadHijjawi97 in https://github.com/langflow-ai/langflow/pull/15485 * fix(tools): disambiguate duplicate tool names by @Cristhianzl in https://github.com/langflow-ai/langflow/pull/15556 * fix(mcp): resolve tool arguments from configured values by @erichare in https://github.com/langflow-ai/langflow/pull/15565 * fix: preserve source columns when merging tables by @LimbC-C in https://github.com/langflow-ai/langflow/pull/15543 * fix(playground): keep new chats out of older sessions now that the session list is capped by @viktoravelino in https://github.com/langflow-ai/langflow/pull/15581 ## New Contributors * @MohammadHijjawi97 made their first contribution in https://github.com/langflow-ai/langflow/pull/15486 * @LimbC-C made their first contribution in https://github.com/langflow-ai/langflow/pull/15543 **Full Changelog**: https://github.com/langflow-ai/langflow/compare/v1.12.4...v1.12.5
Related Repositories
openclaw/openclaw★ 392,690
The AI that really does things. Any OS. Any Platform. The lobster way. 🦞
nilbuild/developer-roadmap★ 370,064
Interactive roadmaps, guides and other educational content to help developers grow in their careers.
morluto/rea★ 357,509
Reverse engineer anything with agents, from app behavior down to native binaries.
anomalyco/opencode★ 219,654
The open source coding agent.
n8n-io/n8n★ 208,248
Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.