> For the complete documentation index, see [llms.txt](https://docs.openalgo.in/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.openalgo.in/change-log/release/version-2.0.0.1-released.md). # Version 2.0.0.1 Released ## Version 2.0.0.1 Released **Date: 24th Feb 2026** **Maintenance Release: Option Chain Analytics, Nubra Broker Integration, WebSocket Stability & Infrastructure Hardening** This is a maintenance release featuring **314 commits** (excluding auto-builds) from **16 contributors**, focused on new analytical tools (Option Greeks, GEX Dashboard, Volatility Surface), full Nubra broker integration, comprehensive WebSocket stability fixes across all brokers, NSE/BSE index symbol normalization, Docker infrastructure improvements, and CI/CD pipeline establishment. *** #### Highlights * **Option Chain & Analytics Suite** - Option Chain page with PlaceOrder dialog, Option Greeks (IV/Delta/Theta/Vega/Gamma), GEX Dashboard, IV Smile, OI Profile, 3D Volatility Surface, ATM Straddle Chart, OI Tracker, Max Pain * **Nubra Broker Integration** - Complete broker integration including orders, positions, holdings, funds, historical data, WebSocket streaming, and master contracts * **WebSocket Stability Overhaul** - File descriptor leak fixes, health checks, reconnection logic, and resource cleanup across all broker streaming adapters * **NSE/BSE Index Symbol Normalization** - Standardized index symbol mappings across Zerodha, Dhan, Fyers, Angel, Upstox, Shoonya, Flattrade, and Nubra * **System Health Monitor** - Real-time health monitoring dashboard with process metrics and chart visualization * **CI/CD Pipeline** - Comprehensive CI/CD with Ruff linting, Docker Hub builds, Dependabot, and automated frontend builds * **Docker & Installation** - Multi-instance installer, Docker Desktop scripts (Windows/macOS/Linux), automatic migrations, SSL support * **Sandbox Enhancements** - Realistic LIMIT/SL order fills, WebSocket auto-upgrade, P\&L calculation fixes * **Batched Basket Orders** - Concurrent basket order execution for all brokers with eventlet compatibility *** #### New Features **Option Chain & Analytics Tools** * Add Option Chain page with real-time WebSocket LTP/Bid/Ask data * Add PlaceOrder dialog with Buy/Sell buttons directly from Option Chain * Add Option Greeks page with IV/Delta/Theta/Vega/Gamma charts and Tools hub * Add GEX Dashboard, IV Smile, and OI Profile analytical tools * Add 3D Volatility Surface analytical tool * Add Dynamic ATM Straddle Chart analytical tool * Add OI Tracker and Max Pain analytical tools * Add Option Chain link to main navbar * REST API fallback for market depth in PlaceOrderDialog * Round WebSocket LTP/Bid/Ask to tick size in Option Chain * Display bid/ask quantities in option chain page **System Health Monitor** * Add system health monitoring dashboard with real-time metrics * Add migration for health metrics process details * Enhance HealthMonitor with dynamic chart intervals and tab visibility handling * Display IST time in Health Monitor chart crosshair and axis **Historify Enhancements** * Add scheduler for automated data downloads * Add symbol validation and bidirectional incremental download * Add time picker with AM/PM for daily schedules * Add bulk delete for historical data and watchlist * Default schedule type to Daily * Clarify incremental download behavior in scheduler UI **Flow Editor Improvements** * Add Order Status node configuration and executor * Add price type field to options order node * Fetch options lot sizes from master contract database * Cap exponent size in flow math expressions to prevent DoS * Fix OptionSymbol, Multiquotes, and OpenPosition issues * Fix Smart Order now supports negative position sizes * Fix modify order not reading price/quantity fields * Correct weekday selection in flow editor schedule node * Correct parameter names for get\_option\_chain in flow editor * Resolve handle jittering and add neon glow effects * Improve node connection UX **WebSocket Enhancements** * Add 50-level depth support with correct symbol format * Add broker-dependent depth level test pages * Add bulk subscription support for WebSocket proxy * Add REST API fallback for shared WebSocket provider * Add centralized useLiveQuote hook for real-time market data * Add greeks WebSocket channel for Nubra OI data * Shared WebSocket provider frontend update **Sandbox Enhancements** * Realistic LIMIT order fill pricing in sandbox execution engine * Marketable LIMIT orders fill at LTP with retry logic * Immediate execution for SL/SL-M orders when trigger already met * Make sandbox engine actively subscribe to WebSocket market data (headless) * Auto-upgrade from polling to WebSocket when proxy becomes healthy * Add CSV export functionality to sandbox My P\&L page * Add special session support with custom exchange timings * Correct P\&L calculation for positions to match Zerodha **Basket Orders** * Batched concurrent basket order execution for all brokers with eventlet compatibility * Batched concurrent basket order execution for Shoonya broker * Handle Shoonya failed orders and batch execution errors **Toast & Notification System** * Add toast notification control system with category-based filtering * Add Top Center and Bottom Center toast positions * Enhance position closing notifications with toast messages **Infrastructure & Docker** * Add comprehensive CI/CD pipeline with Ruff linting and Docker Hub builds * Add multi-instance custom SSL installer and documentation * Add Docker run scripts for Windows and macOS/Linux * Make Docker scripts standalone (download and run) * Add installation script with broker configuration and XTS validation * Automate frontend build within Dockerfile * Robust Docker healthcheck using backend-only endpoint * Add automatic migrations on container startup * Add strategies directory mount and log directory mount for Docker Desktop * Show documentation URL after setup * Add thread limiting to Docker Hub runner scripts and multi-instance installer **Other Features** * Add FAQ page with accordion-based Q\&A sections * Add carry-forward position PnL tracking in PnL tracker * Smart master contract download with configurable cutoff time * Show data subscription alert for Zerodha and Dhan on broker select page * Enhance database path configuration for instance isolation * Add backtesting and plotting scripts for RELIANCE 5-Minute data * Refactor BrokerSelect component to filter and display only enabled brokers * Accessibility: aria-label and title to icon-only buttons in admin pages * Accessibility: aria-label to inline edit inputs *** #### Broker-Specific Changes **Nubra (New Broker Integration)** * **Full broker integration** - Complete implementation from scratch * Master Contract: Symbol format expiry fixed, common index symbol updated * Orders: Place market order, limit order, smart order, modify order, cancel order, cancel all orders * Position Book and Close All Position API * Orderbook initial commit with SL and SL-M order support * SL-M fix in orderbook * Holdings: Average price fixed * Tradebook and Holdings updated * Quotes: NSE, NFO, BSE quotes and depth API updated * Funds: Converted paise to rupees * Margin Calculator API updated * Multiquotes updated * Historical API: Update, chunking method updated, F\&O data updated, removed unsupported segments * WebSocket: Full implementation with rate limit compliance (429 handling + throttling), resource management and thread safety hardening * Greeks WebSocket channel for OI data * Normalized NSE and BSE index symbols * Plugin JSON updated * Added to all broker lists across install scripts and docs **Zerodha** * File descriptor leak fix in WebSocket adapter * Comprehensive NSE and BSE index symbol mappings added * Redundant BSE index mappings removed * Normalize NSE\_INDEX and BSE\_INDEX symbols **Dhan** * File descriptor leak fix in streaming module * Centralize teardown logic in adapter * Normalize NSE\_INDEX and BSE\_INDEX symbols to OpenAlgo standard format * Error handling for inactive dataAPI subscription * Show live LTP for closed positions * Enrich positions with LTP from marketfeed API * Use multiquotes service for position LTP enrichment * Show symbol details in telegram alert for individual position close * Add missing expiryCode to intraday and daily chart requests * Correct WebSocket depth levels — only Dhan supports 20-depth * Data subscription alert on broker select page **Fyers** * File descriptor leak fix in streaming adapters * Add auto-reconnect to HSM WebSocket * Add reconnection and health check to HSM WebSocket * Normalize NSE\_INDEX and BSE\_INDEX symbols to OpenAlgo standard format * Remove BSE prefix fallback for unmapped BSE\_INDEX symbols * Switch MCX and CDS master contracts from CSV to JSON format * Fix NAN issue in Total P\&L (numeric rounding instead of string formatting) **Angel** * File descriptor leak fix and health check for WebSocket * Normalize NSE\_INDEX and BSE\_INDEX symbols from name column * Common Index (NSE & BSE) symbols update **Flattrade** * File descriptor leak fix in streaming adapters * Address race conditions and thread cleanup issues in streaming * Comprehensive NSE\_INDEX and BSE\_INDEX symbol mappings added **Shoonya** * Batched concurrent basket order execution * Handle failed orders and batch execution errors * Comprehensive NSE\_INDEX symbol mappings added **Upstox** * File descriptor leak prevention in streaming * NSE\_INDEX and BSE\_INDEX symbol mappings added **Groww** * File descriptor leak fix in streaming module * Optimize streaming and master contract download * Update auth to use checksum-based flow instead of TOTP **Kotak** * Option chain LTP streaming fix — subscribe both depth and LTP streams **AliceBlue** * Prepend date to tradebook Filltime to fix Invalid Date display **Zebu** * Broker data issues fix (2 fixes) *** #### Bug Fixes **WebSocket & Streaming** * Resolve critical file descriptor leaks in websocket\_proxy * Improve resource cleanup and monitoring in websocket\_proxy * Prevent event loop leak when WebSocket thread doesn't terminate * Fix asyncio.run() error when running with eventlet in production * Call \_resubscribe\_all() on PONG-based authentication * Clear \_has\_index flag on index channel unsubscribe * Prevent stale OHLCV quotes for index-only subscriptions * Clean up quote subscription on unsubscribe and log subscription failures * Prevent 429 rate limiting by using batch multiquotes instead of individual quote calls * Resolve WebSocket market data not showing and reduce API polling * Resolve stale auth cache causing 403 errors in WebSocket proxy * Clear all caches in WebSocket proxy cache invalidation handler * Remove noisy debug logging from WebSocket session helper * Correct WebSocket depth levels — only Dhan supports 20-depth **Frontend & UI** * React #185 infinite loop fix in useOptionChainLive * Remove usePageVisibility to prevent React error #185 infinite loop * Option Chain table layout stability * Option Chain performance and PlaceOrderDialog improvements * PlaceOrderDialog: remove duplicate toast and symbol display * PlaceOrder dialog: API endpoint, response handling, REST fallback * Price field floating point precision issue * Replace Radix Checkbox with custom visual to prevent infinite loop * Update day selection UI for better accessibility and interaction * Correct Latency Monitor link in dashboard Quick Access * Permission status colors in analyzer mode (Profile page) * Show real API key in TradingView and GoCharting webhook JSON * Add error display in Search component for failed API calls * Add toast category and HTTP status differentiation in Search error handling * Use correct Holiday property in aria-label to fix TypeScript build * Remove console.log from frontend * Fix Console Error: 401 and "Invalid session" error * Enhance P\&L calculations for live price updates in useLivePrice hook * Preserve greeks OI across orderbook updates * Fix F\&O filter performance by extracting underlying from OpenAlgo symbol format **Orders & Positions** * Count only positions with non-zero quantity as "open" * Replace ThreadPoolExecutor with sequential processing in optionsmultiorder * Auto-detect stuck master contract downloads and enable Force Download * Master contract status API response format for React frontend * Use correct exchange mapping for index vs stock underlyings * Telegram alerts on close positions * Show symbol details in telegram alert for individual position close * Auto-initialize analyzer funds on order placement to prevent 'Funds not initialized' error **Backend & Server** * Prevent database errors on fresh installation startup * Clear all auth caches on login to prevent stale token 401 errors * Initialize Python strategy scheduler at app startup * Use local time (IST) instead of UTC for flow execution logs * Increase strategy memory limit from 512MB to 1GB * Resolve route conflict between Flask and React (health endpoint) * Handle potential exception when retrieving swap memory metrics * Remove excessive debug logging in expiry service * Implement rate limiting for broker history API requests * Add rate limiting to straddle history calls (3 req/sec) * Fix FAQ route to serve React app instead of missing Jinja2 template * Python strategy editor keyboard save (Ctrl+S) losing recent edits **Docker & Installation** * Prevent RLIMIT\_NPROC exhaustion in Docker and native installs * Increase RLIMIT\_NPROC from 64 to 256 for multi-container deployments * Add LLVMLITE\_TMPDIR to avoid noexec /tmp issues * Auto-configure LLVMLITE/NUMBA paths for hardened Linux servers * Resolve Gunicorn worker temp file error * Add dynamic shm\_size based on system RAM (Windows and Linux) * Add tmp directory for master contract downloads * Increase proxy buffer size (nginx) for large auth headers * Preserve .env during updates to prevent password invalidation * Preserve custom CORS and CSP domains during updates and in install-docker.sh * Use comma-separated CORS origins as expected by Flask-CORS * Fix Windows batch script infinite loop and curl alias * Fix REDIRECT\_URL broker placeholder replacement * Replace fragile sed CSP\_CONNECT\_SRC logic with delete-and-append in Docker install scripts * Add thread limiting env vars to multi-instance installer * Add Docker support for numba/scipy dependencies in trading strategies * Add numba/scipy support to production and remaining installation scripts * Increase Gunicorn timeout for master contract database initialization and processing * Increase systemd timeout and gunicorn worker timeout * Proper TypeScript configuration for production and test environments * Skip docker-build for fork PRs * Use git add -f for ignored frontend/dist in CI *** #### Security * Upgrade Pillow to 12.1.1 (CVE security fix) * Upgrade pip to 26.0.1 in uv.lock (CVE-2026-1703) * Upgrade cryptography to 46.0.5 for ECDSA/ECDH subgroup validation vulnerability * Upgrade axios to 1.13.5 (DoS via **proto**) and bump cffi to 2.0.0 * Upgrade protobuf to 6.33.5 * Override lodash-es to 4.17.23 for security patch * Cap exponent size in flow math expressions to prevent DoS * pyproject security fix *** #### Performance * Implement useMarketData options and prevent WebSocket zombie connections * Reduce WebSocket execution engine startup log noise * Reduce Python strategy startup log noise * Change logging level from info to debug for various components * Remove unnecessary logging for market holiday checks * Increase httpx connection pool and Gunicorn workers (reverted to 1 worker for memory) * Searchable underlying selector, filter test symbols, reduce log noise *** #### Refactoring & Code Quality * Remove Jinja2 frontend assets and legacy files * Remove dead Jinja2 routes migrated to React * Rename Flow Workflows to Flow Editor * Apply Ruff formatting to Python codebase * Stop tracking frontend/dist (CI/CD builds it) * Replace logger.error with logger.exception in except blocks * Add type hints to helper functions in restx\_api/ticker.py * Refine type hints for validate\_and\_adjust\_date\_range * Remove algomirror folder * Remove .claude/settings.local.json from tracking *** #### Documentation * Comprehensive new broker integration guide with WebSocket proxy registration * Comprehensive cache architecture audit (28+ caches) * Update design docs and PRDs to reflect codebase changes since Jan 2026 * Broker API compatibility audit report * WebSocket depth level compatibility added to broker audit * WebSocket frontend management audit and integration guidelines * Strategy Risk Management & Position Tracking PRD * CI/CD and security audit report * Docker resource configuration for Python strategies * Docker Hub README * Multi-instance Docker guide and update mode documentation * Desktop Docker installation instructions * Add Plotly as an interactive charting library for options analytics * NSE\_INDEX and BSE\_INDEX symbol normalization test script * Update CLAUDE.md for frontend/dist CI/CD changes * Update install scripts with informative build messages *** #### Dependencies **Python** * Bump the python-minor group with 69 updates * pytest 8.4.2 → 9.0.2 * Pillow → 12.1.1 * cryptography → 46.0.5 * axios → 1.13.5 * cffi → 2.0.0 * protobuf → 6.33.5 * pip → 26.0.1 * lodash-es → 4.17.23 (override) * numpy pinned to >=2.0,<2.4 (numba compatibility) * logistro → 2.0.1 * Docker: gunicorn eventlet version update **Frontend** * jsdom 24.1.3 → 27.4.0 * Frontend deps group bump * npm-root group with 3 updates **CI/CD Actions** * actions/checkout 4 → 6 * actions/setup-node 4 → 6 * astral-sh/setup-uv 3 → 7 * github/codeql-action 3 → 4 * actions/upload-artifact 4 → 6 *** #### Infrastructure * Comprehensive CI/CD pipeline with Ruff linting, Docker Hub push, frontend auto-build * Backend-lint configured to pass with pre-existing warnings * Repair CI after Jinja2 cleanup * Docker Hub build triggers * Auto-build frontend dist via GitHub Actions * Add .claude settings files to .gitignore *** #### Contributors Special thanks to all contributors who made this release possible: * @Kalaiviswa (kalaivani) - WebSocket stability, Basket orders, Flow Editor, Index symbol normalization * @rochronaldo (roch ronaldo) - Nubra broker integration * @AravindGandavadi - Docker installation, CORS fixes, TypeScript configs * @uttamsingh - Python strategy editor fix * @kiranjv - Zebu broker data fixes * @jabez4jc - Gunicorn timeout fixes * @SubhAushSingh - Type hints improvements * @Sadhanandhann - Expiry service and Dhan chart fixes * @OriolMorros (Oriol Morros Vilaseca) - Accessibility and Search error handling * @AlexZhonn - Frontend cleanup * @slegarraga - Accessibility improvements * @PremParkash - App.py update * @HarshPrajapati - Logger refactoring *** *** #### Links * **Repository**: * **Documentation**: * **Discord**: * **YouTube**: ***