Open Comet

Warming up deep research...

Changelog

v2.3.0

Latest - April 2026

  • → Advanced Semantic Hardening (ASH): High-fidelity accessibility tree analysis with viewport-aware grounding.
  • → Stable refId Persistence: WeakRef-based identifier mapping for multi-render element continuity.
  • → Execution HUD & Mission Control: Pulsing execution border and floating safety stop button.
  • → Multi-Stage Loop Detection: Mathematical tracking for cyclic, stutter (yo-yo), and futility patterns.
  • → Pre-flight Dry-Run Verification: Non-destructive verification of target visibility and state before action.
  • → Hardened Mission Telemetry: Centralized monitoring for guard decisions and self-healing recovery events.

v2.2.0

Stable - April 2026

  • → Claude-Inspired Runtime Architecture: Stateful, event-driven orchestration engine.
  • → Strict Execution Guard Layer: Centralized Chrome scripting with deterministic retries.
  • → Domain Security Guard: Mission-critical pre-flight domain verification protocol.
  • → Anti-Hallucination UI Awareness: Real-time loading/modal detection for visual grounding.
  • → Self-Healing Loop Detection: DOM-hash based stagnation tracking and auto-recovery.
  • → Tab Event Bus (Pub/Sub): Centralized tab lifecycle management to eliminate race conditions.
  • → Lightweight Session Manager: Continuity engine for multi-tab research stability.

v2.1.0

Stable - April 2026

  • → High-Efficiency Action DSL: Short-form command protocol reducing tokens by ~50%.
  • → Reactive StorageState Manager: Sub-second settings sync across multiple windows.
  • → Golden Task Workspaces: Automated organizing of mission tabs into labeled groups.
  • → Turbo Execution Mode: Service worker support for bulk action sequence execution.
  • → Performance Profiling: Real-time timing metrics for sub-module optimization.

v2.0.0

Stable - April 2026

  • → Semantic Grounding Protocol: Accessibility-tree based analysis for structural UI understanding.
  • → Reference-ID (refId) System: Stable element referencing via semantic tokens for high-reliability SPAs.
  • → CDP Action Engine: Pixel-perfect interactions via Chrome DevTools Protocol (CDP).
  • → Unified Agent Runtime: Consolidated all agent roles into a single modular core.
  • → Self-Healing Interaction Pipeline: Automated coordinate resolution and multi-stage recovery fallbacks.

v1.3.0

Stable - April 2026

  • → Top 1% Architecture: Migration from rigid rules to adaptive probabilistic scoring.
  • → Modular Multi-Agent Coordination: Synchronized Planner, Navigator, Verifier, and Critic roles.
  • → Task Memory Graph: Host-bounded transition graphing (max 50 nodes) for persistent learning.
  • → Reward Tuning: RL-style rewards (+1.0/-1.0/-2.0) with temporal score decay.
  • → Automated Skill Abstraction: Intelligent pattern detection for reusable Skills.

v1.2.0

Stable - April 2026

  • → Self-Healing Agent Runtime: Intent-aware resolver and post-action validation.
  • → Intelligent Payload Management: Automatic JPEG compression and 1024x768 resizing.
  • → Recovery Pipeline: Multi-stage auto-recovery (Retry → Fallback → Replan).
  • → Infrastructure Stabilization: 500KB backend safety guards and concurrency controls.
  • → Hybrid Memory: Optimized session-persistent work summaries with TTL management.

v1.1.1

Open Source - April 2026

  • → Comprehensive Documentation Overhaul (Sanitized & Professionalized)
  • → New AI Provider Hub with official brand logos and documentation shortcuts
  • → Dynamic "On this page" navigation with real-time scroll synchronization
  • → Expanded feature guides for Token Tracking, Deep Research, and Safety Guards
  • → Sanitized Developer Orientation guide for security-first ecosystem growth.

v1.1

Stable - April 2026

  • → Added Skills system for reusable agent behaviours
  • → Deep Research with multi-source synthesis
  • → Export flows as JSON or Markdown
  • → Approval guards for protected actions
  • → History panel with full action log.

v1.0

Initial - March 2026

  • → Autonomous browser actions with screenshot + DOM grounding.
  • → Ask mode and auto mode.
  • → Support for OpenAI, Anthropic, Gemini, Groq, Mistral, Ollama.
  • → Side panel UI with live progress overlay.