LabLink v1.2.1 - Security Patch Release

Summary of v1.2.1 Release

Type: Security Patch Release
Date: 2025-12-07

Security Fixes:

• 🔴 5 High severity CVEs
• 🟡 7 Medium severity CVEs
• 🟢 1 Low severity CVE
• Total: 13 vulnerabilities fixed

Updated Packages:

• requests: 2.31.0 → 2.32.4
• aiohttp: 3.9.1 → 3.12.14
• node-forge: 1.2.1 → 1.3.3
• glob: 10.4.2 → 10.5.0
• Removed: scapy (RCE vulnerability, no patch)

Configuration:

• Dependabot grouping configured
• PR limits reduced for cleaner management
• 29 legacy PRs closed, 36 branches deleted

LabLink v1.2.0 - Server Update System, UI Improvements & Version Management

LabLink v1.2.0

Release Date: December 6, 2025

🎯 Overview

LabLink v1.2.0 introduces a comprehensive server update system, significant UI improvements, and a unified version management infrastructure. This release streamlines the update
workflow, enhances user experience, and establishes consistent versioning across all components.

---

✨ New Features

Server Update System (#114, #118, #119)

Complete update management with flexible deployment options:

• Stable/Development Modes: Choose between release tags or development branches
• Client-Driven Updates: Client manages server updates with git-based version tracking
• Docker Rebuild Support: Automatic and manual Docker rebuild options
• Local & Remote Updates: Support for local Docker or remote (SSH) server updates
• Progress Tracking: Visual feedback during update operations

Smart Branch Filtering (#120)

Intelligent branch management for cleaner workflows:

• Auto-Filter: Hides dependabot and automated branches by default
• Active Branches Only: Shows only branches with commits in the last 3 months
• Smart Sorting: Branches sorted by most recent commit
• Toggle View: "Show all branches" option for complete visibility

UI Consolidation (#120)

Streamlined interface for better usability:

• Unified Server Updates: Merged duplicate update sections into single interface
• Reduced Window Height: 30-40% reduction in overall window height
• Progress Bars: Visual progress tracking for local and remote operations

Enhanced Dropdown Visibility (#120)

System-wide dropdown styling improvements:

• Light Blue Hover States: Improved readability on selection
• High Contrast Text: Consistent black text for maximum visibility
• Better Accessibility: Enhanced visual feedback across all dropdowns

Version Management System

Single-source versioning infrastructure:

• VERSION File: Unified version source for server, client, and launcher
• Automated Bump Script: scripts/bump_version.py for version increments
• Comprehensive Docs: Complete versioning guide in docs/VERSIONING.md
• Semantic Versioning: Strict adherence to semver 2.0.0

---

🐛 Bug Fixes

• #121: Fixed SSH deployment wizard Next button not working
• #108: Resolved multiple device discovery issues
• #106: Fixed client login crash on connection
• #105: Corrected Ubuntu deployment configuration issues

---

📝 Changes & Improvements

Version System

• Unified version across all components (server, client, launcher, Docker)
• All components now read from single VERSION file
• Dynamic version loading at runtime with fallback handling

Copyright & Documentation

• Updated copyright to © 2025 (project start year)
• Standardized copyright notices across all files
• Complete retroactive CHANGELOG with 30-version history
• Comprehensive version management documentation

---

📚 Documentation

New and updated documentation:

• docs/VERSIONING.md - Complete version management guide (310 lines)
  • Single-source architecture explanation
  • Semantic versioning guidelines
  • Automated bumping procedures
  • Troubleshooting guide
• scripts/bump_version.py - Automated version bump tool (250 lines)
  • Support for major/minor/patch increments
  • Automatic CHANGELOG updates
  • Git commit and tag creation
  • Dry-run mode for testing
• CHANGELOG.md - Retroactive history (877 lines)
  • 30 versions documented (0.1.0 → 1.2.0)
  • Complete development timeline
  • Comprehensive feature documentation

---

🚀 Upgrade Instructions

From v1.0.1

If using Docker:

cd /path/to/LabLink
git pull origin main
docker compose down
docker compose build --no-cache
docker compose up -d

If using native installation:
cd /path/to/LabLink
git pull origin main
# Restart server and client

Verify version:
cat VERSION  # Should show: 1.2.0
python3 -c "from server.system.version import get_version; print(get_version())"

---
🔧 Technical Details

Version Management

- Single SOURCE: All components read from VERSION file
- Files Modified:
  - VERSION - Source of truth
  - client/main.py - Dynamic version reading
  - lablink.py - Launcher version from VERSION
  - docker/Dockerfile.* - Labels updated
  - README.md - Badge updated

Update System Architecture

Client (with git) → Check Server Version → Compare with Local Git
                  ↓
         Update Available?
                  ↓
    Select Version/Branch → Checkout Git Ref → Rebuild Docker
                                              ↓
                                    (Automatic or Manual)

---
📊 Release Statistics

- Issues Closed: 7 (#105, #106, #108, #114, #118, #119, #121)
- Files Modified: 11 core files
- Documentation Added: 3 major documents (1,437 total lines)
- Code Changes: Version management, update system, UI improvements
- Development Timeline: v1.0.1 (Nov 28) → v1.2.0 (Dec 6) - 8 days

---
🎯 What's Next

See our ROADMAP.md for upcoming features and improvements.

---
📝 Full Changelog

For complete version history including all 30 versions from 0.1.0 to 1.2.0, see CHANGELOG.md.

---
💬 Feedback & Support

- Issues: https://github.com/X9X0/LabLink/issues
- Discussions: https://github.com/X9X0/LabLink/discussions
- Documentation: See docs/ directory

---
Copyright: © 2025 LabLink Project
License: MIT
Repository: https://github.com/X9X0/LabLink

1.0.1

What's Changed

• Doc Cleanup / Condense by @X9X0 in #66
• Mobile App Development by @X9X0 in #67
• Create Ubuntu setup guide for new users by @X9X0 in #68
• fix: Improve bootstrap error handling for missing pip by @X9X0 in #69
• fix: Complete launcher overhaul for Ubuntu 24.04 - dependency management, UX improvements, and missing packages by @X9X0 in #70
• fix: Complete launcher and client-server integration fixes by @X9X0 in #71
• fix: Auto-create venv for PyQt6 on externally-managed systems (PEP 668) by @X9X0 in #72
• feat: Add dark theme and optimize package checking performance by @X9X0 in #73
• fix: Pi Image Builder and SD Card Writer - WiFi auto-connect, hostname config, and reliability improvements by @X9X0 in #74
• fix: Complete Raspberry Pi image builder fixes for security system and default credentials by @X9X0 in #75
• fix: Add advanced security environment variables to docker-compose.yml by @X9X0 in #76
• Claude/complete websocket integration 015ck w mi g9x ac f718 seayvat by @X9X0 in #77
• docs: Update ROADMAP.md to reflect completed priorities and current project status by @X9X0 in #78
• feat: Add advanced waveform analysis tools by @X9X0 in #79
• Add Automated Test Sequence Builder GUI with Visual Editor by @X9X0 in #80
• feat: Add remote firmware update system with 11 API endpoints by @X9X0 in #81
• Advanced Visualization features by @X9X0 in #82
• test: Complete Phase 1 critical safety & core test coverage (362 tests, 26% → 52-54%) by @X9X0 in #83
• feat: Add comprehensive diagnostics test suite and integrate stats by @X9X0 in #84
• Performance Optimizations and Raspberry Pi Network Discovery by @X9X0 in #85
• fix: Critical file descriptor leak in VISA discovery scanner by @X9X0 in #86
• v1.3.0: Diagnostics Testing, Remote Updates, Performance Optimizations & Pi Discovery by @X9X0 in #87
• fix: Resolve Pi server connection issues and add comprehensive diagnostics by @X9X0 in #88
• fix: Resolve Pi server connection issues and add comprehensive diagnostics system by @X9X0 in #89
• feat: Add lablink-update command for easy code updates by @X9X0 in #90
• fix: Make Pi diagnostics run on host instead of inside container by @X9X0 in #91
• Refactor Pi Discovery to client-side with enhanced debugging and MAC masquerading support by @X9X0 in #92
• feat: Async equipment discovery with responsive UI and connection fixes by @X9X0 in #98
• fix: Generate deterministic equipment IDs to prevent 404 errors on reconnection by @X9X0 in #99
• Fix equipment readings 404 errors and implement BK Precision protocol support by @X9X0 in #101
• Fix equipment readings 404 errors and implement BK Precision protocol support by @X9X0 in #100
• Fix equipment disconnect UI: proper success message and complete UI clearing by @X9X0 in #102
• Equipment Control Panel with Professional Analog Gauges and Serial Communication Improvements by @X9X0 in #103

Full Changelog: v1.0.0...1.0.1

LabLink v1.0.0 - First Production Release

🎉 LabLink v1.0.0 - First Production Release

Release Date: January 14, 2025

Status: Production Ready

Codename: "Foundation"

---

🚀 Welcome to LabLink v1.0.0!

We're thrilled to announce the first production release of LabLink - a comprehensive laboratory equipment management system that brings unified control, security, and monitoring to your lab equipment through a modern, RESTful API.

After months of development, rigorous testing, security hardening, and performance optimization, LabLink is ready for production deployment!

---

✨ What is LabLink?

LabLink is a modular client-server application that enables remote control and data acquisition from laboratory equipment. Whether you're managing oscilloscopes, power supplies, electronic loads, or spectrum analyzers, LabLink provides:

• 🎛️ Unified Equipment Control - Single API for diverse lab equipment

• 🔒 Enterprise Security - MFA/2FA, RBAC, OAuth2 integration

• 📊 Real-time Monitoring - WebSocket streaming and live updates

• 🔍 Complete Audit Trail - Every command logged with execution times

• 📱 Mobile-Ready API - 100% validated for mobile applications

• ⚡ High Performance - Benchmarked and profiled for production use

---

🎯 Key Features

Equipment Management

✅ Universal Equipment Interface - Control any lab equipment through a consistent API

✅ Multi-Vendor Support - Rigol, BK Precision, and more

✅ Automatic Discovery - Find equipment via VISA, Zeroconf, GPIB

✅ Real-time Updates - WebSocket streaming for live monitoring

✅ Command History - Complete audit trail with timestamps and execution times

✅ Equipment Profiles - Save and restore configurations

Security & Authentication 🔒

✅ Multi-Factor Authentication - TOTP-based 2FA with QR code provisioning

✅ Role-Based Access Control - Granular permissions for users and equipment

✅ OAuth2 Integration - Google, GitHub, Microsoft single sign-on

✅ API Key Authentication - Long-lived keys for automation

✅ Session Management - Secure sessions with automatic expiration

✅ Account Protection - Automatic lockout after failed login attempts

✅ Bcrypt Password Hashing - Industry-standard password security

Data & Logging 📊

✅ SQLite Database - Embedded database for equipment data and logs

✅ Automated Backups - Scheduled and on-demand with compression

✅ Structured Logging - JSON logging with rotation and metrics

✅ Audit Trail - Complete history of all equipment interactions

✅ Performance Metrics - Built-in monitoring and profiling

API & Integration 🔌

✅ RESTful API - Comprehensive REST endpoints with OpenAPI docs

✅ WebSocket Support - Real-time bidirectional communication

✅ MQTT Integration - IoT device connectivity

✅ Mobile-Compatible - 100% validated for mobile apps

✅ Swagger UI - Interactive API documentation at /docs

---

🔒 Security Hardening (Phase 3)

We take security seriously. v1.0.0 includes comprehensive security improvements:

Vulnerabilities Fixed ✅

• FIXED FastAPI ReDoS vulnerability (PYSEC-2024-38)

• FIXED Starlette DoS - Large forms (GHSA-f96h-pmfr-66vw)

• FIXED Starlette DoS - File upload (GHSA-2c2j-9gv5-cj73)

Security Infrastructure ✅

• BLOCKING security scans in CI/CD pipeline

• Automated vulnerability detection with pip-audit

• Comprehensive security documentation (587 lines of best practices)

• Security audit process established and documented

Documented Acceptable Risks ⚠️

• pip 24.0 vulnerability (dev/CI only, not in production runtime)

• ecdsa timing attack (orphaned dependency, not used by LabLink)

Result: Zero critical vulnerabilities in production dependencies ✅

---

🧪 Testing & Quality (Phase 2)

v1.0.0 is backed by comprehensive testing and quality assurance:

Test Coverage

• ✅ 137 core tests passing (server + performance)

• ✅ 26% overall coverage, 70%+ on critical paths

• ✅ 10 performance benchmarks established

• ✅ Zero critical test failures

Test Categories

• ✅ Unit tests (component isolation)

• ✅ Integration tests (cross-module workflows)

• ✅ API endpoint tests (REST API validation)

• ✅ Security tests (authentication, RBAC, MFA)

• ✅ Performance benchmarks (baseline metrics)

• ✅ Model validation tests (Pydantic schemas)

Code Quality

• ✅ Type hints on all critical functions (PEP 484)

• ✅ Zero dead code - All unused imports removed

• ✅ Lint clean - No critical warnings

• ✅ Documented - Comprehensive docstrings

---

⚡ Performance (Phase 3)

Every critical operation has been benchmarked and profiled:

| Operation | Performance | Status |

|-----------|-------------|--------|

| Password hashing | 264 ms | ✅ Secure (intentionally slow) |

| TOTP verification | 484 μs | ✅ Real-time capable |

| Command logging | 9.47 ms | ✅ Async, non-blocking |

| Database queries | 1.36 ms | ✅ Fast retrieval |

| Model validation | <2 μs | ✅ Negligible overhead |

| Backup operations | <4 μs | ✅ Background tasks |

Profiling Infrastructure:

• Complete profiling utilities with decorators

• Automated critical path profiler

• Production-safe conditional profiling

• Comprehensive 587-line profiling guide

---

📦 What's Included

Dependencies

• FastAPI 0.115+ - Modern web framework with async support

• Pydantic 2.x - Fast data validation with Rust core

• PyJWT 2.x - Secure JWT token handling

• bcrypt 4.x - Industry-standard password hashing

• pyotp 2.x - TOTP/MFA implementation

• SQLAlchemy 2.x - Robust database ORM

Documentation (2,500+ lines)

• 📘 CHANGELOG.md - Complete version history

• 📘 Security Best Practices - 587-line security guide

• 📘 Performance Baseline - Comprehensive metrics documentation

• 📘 Profiling Guide - How to profile and optimize

• 📘 Phase Summaries - Complete development history

• 📘 API Documentation - OpenAPI/Swagger at /docs

Tools & Scripts

• ⚙️ Performance profiler - Automated critical path analysis

• ⚙️ Setup scripts - Easy installation and configuration

• ⚙️ CI/CD workflows - Comprehensive GitHub Actions

---

🚀 Getting Started

Quick Start

# Clone the repository

git clone https://github.com/X9X0/LabLink.git

cd LabLink

 

# Install dependencies

pip install -r server/requirements.txt

pip install -r shared/requirements.txt

 

# Run the server

python -m server.main

 

# Access API documentation

# Open browser to http://localhost:8000/docs

Run Tests

# All tests

pytest

 

# With coverage

pytest --cov=server --cov=client --cov=shared

 

# Performance benchmarks

pytest tests/performance/ --benchmark-only

Security Scan

# Install security tools

pip install pip-audit

 

# Run security audit

pip-audit --desc

Performance Profiling

# Profile critical paths

python scripts/profile_critical_paths.py --all

 

# View results with snakeviz

pip install snakeviz

snakeviz /tmp/lablink_profiles/*.prof

---

📊 By the Numbers

Development Phases

• ✅ Phase 1: Core Features & Architecture

• ✅ Phase 2: Test Coverage Sprint (137 tests, 26% coverage)

• ✅ Phase 3: Production Hardening (security + performance)

• ✅ Phase 4: v1.0.0 Release (this release!)

Quality Metrics

• 7,000+ lines of code added

• 2,500+ lines of documentation

• 137 tests passing

• 10 performance benchmarks

• 60% of vulnerabilities eliminated

• 100% of success criteria met

Time to Production

• ~4 hours for Phase 3 (security hardening)

• ~2 weeks for Phase 2 (test coverage)

• Multiple months total development

---

🎯 Production Readiness Checklist

• ✅ All version numbers consistent (v1.0.0)

• ✅ Test coverage ≥ 26% with critical paths at 70%+

• ✅ All critical security issues resolved

• ✅ Code formatted and linted

• ✅ No critical errors

• ✅ CI/CD checks passing

• ✅ Documentation complete

• ✅ Performance benchmarks documented

• ✅ Docker deployment validated

• ✅ Installation scripts tested

Result: 10/10 criteria met ✅

---

📚 Documentation

Comprehensive documentation is available:

• Quick Start: README.md

• API Reference: http://localhost:8000/docs (when running)

• Security Guide: docs/security/best_practices.md

• Performance Metrics: docs/performance/baseline_metrics.md

• Profiling Guide: docs/performance/profiling_guide.md

• Version History: CHANGELOG.md

• Roadmap: ROADMAP.md

---

🐛 Known Issues

Acceptable for v1.0.0

Security:

• ⚠️ pip 24.0 vulnerability (dev/CI only, documented)

• ⚠️ ecdsa timing attack (orphaned dependency, not used)

Testing:

• ⚠️ Hardware tests skipped (54 tests - requires physical equipment)

• ℹ️ Some test fixtures need updates (non-blocking technical debt)

None of these affect production deployments. All critical functionality is tested and secure.

---

🔮 What's Next?

v1.1.0 - Mobile App (Planned: 4-6 weeks)

• 📱 React Native mobile application

• 📱 iOS and Android support
  ...