v2.0.0 - Modernization Release

This release represents a complete modernization of graph.gl from 2019 to 2025 standards, making it suitable for modern React applications and phylogenetic tree visualization use cases.

Added

• Node.js 18+ requirement with explicit engines specification
• Modern ESLint configuration with latest rules
• Automatic JSX runtime support (no need to import React)
• Support for phylogenetic tree visualization use cases
• Comprehensive test coverage with Jest 29
• Modern build tooling with Babel 7.24

Changed

• BREAKING: React 16.8 → 18.3.1 (requires React 18+)
• BREAKING: D3 v5 → v7.9.0 (uses ES modules)
• BREAKING: deck.gl 7.1.7 → 9.2.2 (requires @luma.gl and @loaders.gl peer dependencies)
• BREAKING: styled-components 4 → 6.1.8
• BREAKING: COORDINATE_SYSTEM.IDENTITY deprecated, use COORDINATE_SYSTEM.CARTESIAN
• Babel 7.4 → 7.24
• Jest 23 → 29
• ESLint 5 → 8.57
• Prettier 1.15 → 3.2.5
• Testing: enzyme → @testing-library/react 14.2.1

Replaced

• d3-voronoi → d3-delaunay 6.0.4 (modern Delaunay triangulation)

Fixed

• ESLint violations (no-prototype-builtins)
• Jest configuration for ES modules
• Deprecated Babel and ESLint packages
• Build process compatibility with modern Node.js

Removed

• Support for Node.js < 18
• enzyme testing library
• babel-eslint (replaced with @babel/eslint-parser)

Development

• All 30 tests passing
• Production build verified
• ESLint passes with zero errors

Known Limitations

• Storybook 5 examples not yet migrated to Storybook 8 (library functionality unaffected)