5.0.0

Added

• Enhanced PHPStan configuration with strict rules and additional type checking
• Added phpstan/phpstan-strict-rules extension for improved code quality analysis
• Improved type safety with PHP 7.4+ typed properties in core classes
• Added comprehensive GitHub Actions workflows with PHP 7.4+ support
• Added security audit workflow with weekly vulnerability scanning
• Added composer validation and dependency caching in CI
• Added local code coverage reporting with HTML and Clover XML output
• Added GitHub Pages deployment for coverage reports
• Added coverage.sh helper script for generating coverage reports
• Added Makefile with coverage target

Changed

• BREAKING CHANGE: Updated minimum PHP version requirement to PHP 7.4+ with full PHP 8.0+ support
• BREAKING CHANGE: Removed PHP 7.2 and 7.3 support from CI/CD workflows
• Enhanced Message class with strict typing and improved type annotations
• Enhanced Dispatcher class with typed properties and better type safety
• Enhanced MessageSerializer class with stricter validation and error handling
• Improved PHPStan analysis with strict comparison checks and function type hints
• Updated composer dependencies to support PHP 8.0+ while maintaining backward compatibility
• Modernized codebase with PHP 7.4+ features (typed properties, arrow functions, null coalescing)
• Updated GitHub Actions to latest versions for better security and performance
• Expanded CI test matrix to include PHP 8.1, 8.2, and 8.3
• Updated .gitignore to exclude log files and cache directory
• Removed Scrutinizer Code Coverage integration in favor of local reporting
• Enabled Xdebug coverage mode in PHPUnit workflow for accurate coverage metrics
• Updated test coverage check to use johanvanhelden/gha-clover-test-coverage-check@v1
• Coverage reports are now automatically published to GitHub Pages after successful test runs

Fixed

• Fixed strict comparison issues in Message constructor
• Fixed boolean condition checks for better PHP 8+ compatibility
• Added proper return type hints to anonymous functions
• Improved JSON serialization error handling in MessageSerializer
• Removed implicitly nullable parameters for better type safety