📋 Changelog#

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[Unreleased]#

Added#

• Comprehensive multilingual documentation (7 languages)
• GitHub issue templates (Bug Report, Feature Request, Questions)
• Pull request template with build tag compatibility checks
• Contributing guidelines in multiple languages
• Code of conduct with enforcement guidelines
• Security policy with vulnerability reporting process
• Complete API documentation with examples
• Professional project structure and templates

Changed#

• Enhanced README with comprehensive feature documentation
• Improved test coverage across all build tag configurations
• Updated project structure for better maintainability

Documentation#

• Added multilingual support for all major documentation
• Created comprehensive API reference
• Established contributing workflow guidelines
• Implemented security reporting procedures

[1.0.0] - 2024-01-01#

Added#

• Core logging functionality with multiple levels (Trace, Debug, Info, Warn, Error, Fatal, Panic)
• Thread-safe logger implementation with object pooling
• Build tag support (default, debug, release, discard modes)
• Custom formatter interface with default text formatter
• Multi-writer output support
• Async writing capabilities for high-throughput scenarios
• Automatic hourly log file rotation
• Context-aware logging with goroutine ID and trace ID tracking
• Caller information with configurable stack depth
• Global package-level convenience functions
• Zap logger integration support

Performance#

• Object pooling with sync.Pool for entry objects and buffers
• Early level checking to avoid expensive operations
• Async writer for non-blocking log writes
• Build tag optimizations for different environments

Build Tags#

• Default: Full functionality with debug messages
• Debug: Enhanced debug information and caller details
• Release: Production-optimized with disabled debug messages
• Discard: Maximum performance with no-op logging operations

Core Features#

• Logger: Main logger struct with configurable level, output, formatter
• Entry: Log record structure with comprehensive metadata
• Levels: Seven log levels from Panic (highest) to Trace (lowest)
• Formatters: Pluggable formatting system
• Writers: File rotation and async writing support
• Context: Goroutine ID and distributed tracing support

API Highlights#

• Fluent configuration API with method chaining
• Both simple and formatted logging methods (.Info() and .Infof())
• Logger cloning for isolated configurations
• Context-aware logging with CloneToCtx()
• Prefix and suffix message customization
• Caller information toggle

Testing#

• Comprehensive test suite with 93.5% coverage
• Multi build-tag testing support
• Automated testing workflows
• Performance benchmarks

[0.9.0] - 2023-12-15#

Added#

• Initial project structure
• Basic logging functionality
• Level-based filtering
• File output support

Changed#

• Improved performance with object pooling
• Enhanced error handling

[0.8.0] - 2023-12-01#

Added#

• Multi-writer support
• Custom formatter interface
• Async writing capabilities

Fixed#

• Memory leaks in high-throughput scenarios
• Race conditions in concurrent access

[0.7.0] - 2023-11-15#

Added#

• Build tag support for conditional compilation
• Trace and debug level logging
• Caller information tracking

Changed#

• Optimized memory allocation patterns
• Improved thread safety

[0.6.0] - 2023-11-01#

Added#

• Log rotation functionality
• Context-aware logging
• Goroutine ID tracking

Deprecated#

• Old configuration methods (will be removed in v1.0.0)

[0.5.0] - 2023-10-15#

Added#

• JSON formatter
• Multiple output destinations
• Performance benchmarks

Changed#

• Refactored core logging engine
• Improved API consistency

Removed#

• Legacy logging methods

[0.4.0] - 2023-10-01#

Added#

• Fatal and Panic level logging
• Global package functions
• Configuration validation

Fixed#

• Output synchronization issues
• Memory usage optimization

[0.3.0] - 2023-09-15#

Added#

• Custom log levels
• Formatter interface
• Thread-safe operations

Changed#

• Simplified API design
• Enhanced documentation

[0.2.0] - 2023-09-01#

Added#

• File output support
• Level-based filtering
• Basic formatting options

Fixed#

• Performance bottlenecks
• Memory leaks

[0.1.0] - 2023-08-15#

Added#

• Initial release
• Basic console logging
• Simple level support (Info, Warn, Error)
• Core logger structure

Version History Summary#

Migration Guides#

Migrating from v0.9.x to v1.0.0#

Breaking Changes#

• None - v1.0.0 is backward compatible with v0.9.x

New Features Available#

• Enhanced build tag support
• Comprehensive documentation
• Professional project templates
• Security reporting procedures

Recommended Updates#

// Old way (still supported)
logger := log.New()
logger.SetLevel(log.InfoLevel)

// New recommended way with method chaining
logger := log.New().
    SetLevel(log.InfoLevel).
    Caller(true).
    SetPrefixMsg("[MyApp] ")

Migrating from v0.8.x to v0.9.x#

Breaking Changes#

• Removed deprecated configuration methods
• Changed internal buffer management

Migration Steps#

1. Update import paths if needed
2. Replace deprecated methods:

   // Old (deprecated)
   logger.SetOutputFile("app.log")
   
   // New
   file, _ := os.Create("app.log")
   logger.SetOutput(file)

Migrating from v0.5.x and Earlier#

Major Changes#

• Complete API redesign for better consistency
• Enhanced performance with object pooling
• New build tag system

Migration Required#

• Update all logging calls to new API
• Review and update formatter implementations
• Test with new build tag configurations

Development Milestones#

🎯 v1.1.0 Roadmap (Planned)#

• Structured logging with key-value pairs
• Log sampling for high-volume scenarios
• Plugin system for custom outputs
• Enhanced performance metrics
• Cloud logging integrations

🎯 v1.2.0 Roadmap (Future)#

• Configuration file support (YAML/JSON/TOML)
• Log aggregation and filtering
• Real-time log streaming
• Enhanced security features
• Performance dashboard integration

Contributing#

We welcome contributions! Please see our Contributing Guidelines for details on:

• Reporting bugs and requesting features
• Code submission process
• Development setup
• Testing requirements
• Documentation standards

Security#

For security vulnerabilities, please see our Security Policy for:

• Supported versions
• Reporting procedures
• Response timeline
• Security best practices

Support#

• 📖 Documentation
• 🐛 Issue Tracker
• 💬 Discussions
• 📧 Email: support@lazygophers.com

License#

This project is licensed under the MIT License - see the LICENSE file for details.

🌍 Multilingual Documentation#

This changelog is available in multiple languages:

• 🇺🇸 English (Current)
• 🇨🇳 简体中文
• 🇹🇼 繁體中文
• 🇫🇷 Français
• 🇷🇺 Русский
• 🇪🇸 Español
• 🇸🇦 العربية

Track every improvement and stay updated with LazygoPHers Log evolution! 🚀

This changelog is automatically updated with each release. For the most current information, check the GitHub Releases page.