Release Notes

The builder now understands your full conversation, past messages, file context, and chat history all feed into every decision it makes. Builds are sharper and more accurate. Image inputs are now supported.

New file extractor tool in AI Builder; Visio file support added; file classifier updated.

Conditional branches no longer both run simultaneously; chat session and RAG collection bugs fixed.

Planning and connection phases improved for more accurate multi-step flow builds.

Significantly more reliable on large and complex flows better node tracking, smarter connection handling, and automatic cleanup of disconnected nodes.

Select uploaded documents directly from the chatbot UI without leaving the flow.

Landing page refreshed; follow-up suggestions redesigned; new changes-applied card.

New Evaluation tab test your flows against custom test cases and score them on accuracy, safety, toxicity, and more.

Builder panel is now non-modal so your canvas stays accessible while building. Conditional and branching flows now supported.

Builder is now more reliable on complex flows. New actions available directly from chat: freeze nodes, auto-layout, and more.

Build workflows by describing them in plain language - nodes appear on your canvas in real time. Includes a self-healing validator that automatically detects and fixes connection errors, file upload support in the chat, and suggested prompts to get started faster.

Google sign-in now works from organization invite links.

Full icon system refresh - all icons converted to SVG, alignment issues fixed.

Overhauled sign-up flow - email verification, link expiration, and auto-login after signup.

File-based RAG and CSV test case upload added to prompt generator and evaluator.

Google sign-in, forgot password, and email verification added.

Generator and evaluator are now separate components for cleaner workflows.

Login and signup pages updated for dark mode.

Models for Gemini and OpenRouter now load dynamically, always up to date. Search added to the model selection dropdown.

Published flows now show active and inactive states separately.

New multi-step wizard for publishing flows with custom domain and access settings.

New LLMC Enhanced Prompt Optimizer with built-in leaderboard.

Configurable node colors; 3D icons applied throughout.

New Tutorial Gallery tab with sample videos to help you get started.

Magic button added to text fields, one-click AI prompt suggestions inline.

New Grounded Prompt Optimizer , improve prompts using real-world context.

Analytics timezone and data inconsistency fixes.

All component icons updated to a new 3D style.

Advanced templates added with categories and improved descriptions.

Folder cache and flow creation optimization and bug fixes.

Prompt optimizer runs faster and flow store fixes.

All 20+ starter templates updated components, connections, and model names refreshed.

Tracing extended to 10+ more templates including Financial Agent, News Aggregator, YouTube Analysis, and Diet Analysis.

Component-level tracing for Spreadsheet, Customer Service, and Summarization flows, see exactly which step ran and what it returned.

New tracing dashboard filter, paginate, and delete trace history per flow.

Minute-level scheduling now supported for automated flow runs.

New context gathering component for the prompt optimizer.

Agent intermediate steps now stream in real time during flow runs.

Tracing stabilized and more reliable across all flow types.

Unified top bar; flows page loads faster.

Archive flows to keep your workspace clean, archived flows are hidden but recoverable anytime.

New unlock organization page; email domain restrictions added.

Flow naming is now optional; sidebar toggle added.

Run count now accurate for published flows; analytics UI updated.

Execution tracing introduced, track LLM calls, run counts, and metrics per flow run.

New analytics page showing token usage and run counts per flow.

Past members section added; signup, invite, and leave-organization flows fixed.

Undo/redo buttons added to the canvas editor.

Improved error categorization and notifications.

Smarter version saving: Minor edits and text selections no longer clutter your version history, keeping it relevant and clean.

Seamless version switching: Move between versions instantly without triggering full page reloads.

Persistent title updates: Any changes to titles are now correctly tracked and reflected.

Confirmation pop-up: Added a safety dialog when switching versions to prevent accidental changes.

Prompt Optimizer

Fixed zero-model bug: Resolved rare issue where the optimizer could fail during temporary network interruptions.

Improved reliability: Added loader and stronger request-handling logic for smoother and consistent optimizer performance.

Faster flow loading: Only headers are fetched initially, reducing network usage and improving load times.

Scheduled flows pagination: Navigate large lists of scheduled flows efficiently without lag.

Version History

Auto-versioning: Every flow automatically saves versions to track changes over time.

Rollback & audit tracking: Up to 50 flows stored, ensuring older versions can be restored and audits are easier.

Other Updates

Model pricing updates: Reflects latest rates to provide accurate cost calculations for all users.

Initial load optimization: Removed redundant APIs, saving ~6.6 seconds on page load.

Pagination for Home flows: Displays 12 flows per page for faster navigation.

Fixes

Query stop functionality: Backend queries now stop immediately when requested.

Animation flicker resolved: Step animations and visual feedback restored.

Legacy flows compatible: Older flows run smoothly without errors.

New: Auto-Scheduling

Flexible scheduling options (Daily, Weekly, Monthly, or Custom) for automated flow execution.

Optional field controls: Decide which fields are required, hidden, or visible in Publish Flow Wizard and Settings.

Advanced playground animations: Step processing and streaming animations enhance user experience.

Admin usage tracking: Monitor token consumption, credits, and spending for individual users and overall system usage.

UI & Stability

Dark blue gradient inputs: Improved visual clarity and usability for all input components.

Chat stability improvements: Sessions now preserve context, and build process issues resolved.

Manage schedules easily: Enable or disable flows using your own API key.

Centralized overview: Monitor all active schedules in one place for better control.

Admin Dashboard

Usage tracking: Tokens, costs, and template-level activity can now be monitored effectively.

LLMC Credits system: Simplified credit-based tracking for all users.

New Template: Email Lead Flow

Automated email responses: Reads incoming emails and sends replies based on standard queries.

Customizable: Ideal for sales outreach and client communication automation.

• Vector DB functional: All database components verified and stable.
• Template testing completed: End-to-end checks confirmed.
• System stability: No critical issues detected; ready for production use.

Custom Component Save Prompt: Safeguard when editing custom components, ensuring changes are intentionally saved.

Centralized LLM usage tracking: Monitor token consumption and associated costs in real-time.

Subdomain dashboard: Manage all published flows with access controls and quick actions.

Smart playground guidance: Tooltips and intelligent behavior assist in proper flow creation.

Dynamic flow execution: Supports file uploads, Gmail integration, and secure logout.

Namespace change: From Langflow → LLMC for unified branding.

GPT-5 support: Executor and prompt optimizer upgraded for enhanced performance.

Folder structure overhaul: Google Drive - style folders with drag-and-drop functionality.

Agentic RAG improvements: Optimized for faster Excel and large file handling.

• Template-level protection: User-customized flows no longer overwritten by template updates.
• Default prompt selection: Rank 1 prompt auto-selected in LLM-C Executor.
• File & folder renaming: Organize projects and templates easily.

• Modern ChatGPT-style layout with left-aligned messages and larger input box.
• Copy, Edit, and Feedback toolbar on hover for improved usability.
• Instant response display and direct image downloads.

Agentic Template Upgrades

• Visualizations added: Bar, Pie, Graph charts.
• SQL download support for flow data.

• Integrated OpenRouter model support.
• Saved prompts can now be reused across flows.
• File uploads supported in APIs.

• Agentic RAG for Excel: Handles 100k+ rows and 500k+ cells efficiently.
• Offline handling improvements: “Internet disconnected” messages and auto-save fixes.
• Mindsource Web API MVP: JD Optimizer for automated job description creation.

• Multi-model support for GPT-4o, Claude, Gemini.
• Optimized API payload handling.
• Manual save mode added for better reliability.

• Gmail search integrated in Resume Template.
• Resumes stored directly in Google Drive folders.
• Gmail thread links logged automatically in Google Sheets.

• Multi-model selection added for flexible flow execution.
• Improved API stability.
• Output evaluation and logic fixes.