Added #

• Three-Line Text Support - Enhanced label printing with customer name, position, and additional info
• Perfect Text Alignment - All text lines start at the same left position as QR code
• Enhanced Positioning System - Professional-quality label layout with precise positioning
• ESC/POS Printer Support - TSPL forced approach for ESC/POS compatible printers
• Improved Gap Detection - Better buffer management and frame handling
• Optimized Text Spacing - 8mm gap after QR code, 4mm between text lines

Changed #

• API Enhancement - Updated printSingleLabelWithGapDetection to support three text parameters
• Positioning Algorithm - Improved QR code and text positioning for better visual alignment
• Buffer Management - Enhanced clearing strategies for more reliable printing
• Connection Handling - Simplified and more robust Bluetooth connection logic

Fixed #

• Text Overlap Issues - Resolved text positioning problems that caused overlap with QR codes
• Multiple Label Printing - Fixed issues with text not appearing on multiple labels
• Positioning Accuracy - Corrected text alignment to start exactly at QR code left edge
• Line Spacing - Optimized vertical spacing between text lines for better readability

Technical Improvements #

• Kotlin Implementation - Enhanced Android native code with better positioning logic
• Test Coverage - Updated test files to match new API signatures
• Documentation - Comprehensive README update with new features and examples
• Error Handling - Improved error messages and debugging information

Added #

• Initial Release - Comprehensive thermal Bluetooth label printing plugin
• Bluetooth Connectivity - Support for both Classic Bluetooth (SPP) and BLE
• Thermal Printing - TSPL language support for professional label printing
• Smart Positioning - Automatic content centering based on label dimensions
• Gap Detection - Intelligent label boundary detection and frame management
• Multiple Formats - QR codes, barcodes, text, and combined content printing
• Batch Processing - Sequence printing with proper label separation
• Buffer Management - Advanced buffer clearing strategies for reliable printing
• Cross-Platform Support - Full Android and iOS implementation
• Device Pairing - PIN code handling and pairing management
• Connection Management - Robust connection strategies with fallbacks
• Error Handling - Comprehensive error management and user feedback
• Performance Optimization - Connection pooling and command batching

Features #

• Single Label Printing - Print individual labels with gap detection
• Multiple Labels Printing - Batch print multiple labels with different content
• Custom Label Sizes - Support for various label dimensions (2" to 4.65" width)
• DPI Configuration - Support for 203 DPI and higher resolution printers
• Text Customization - Configurable text size and positioning
• Copy Management - Print multiple copies of labels
• Paper Configuration - Automatic paper size detection and configuration
• Printer Status - Real-time printer status monitoring
• Buffer Operations - Clear, feed, and manage printer buffers

Technical Features #

• Platform Interface - Clean abstraction layer for cross-platform development
• Method Channels - Efficient Flutter-to-native communication
• Kotlin Implementation - Modern Android development with coroutines
• Swift Implementation - Native iOS development with CoreBluetooth
• Comprehensive Testing - Unit tests and integration tests
• Documentation - Complete API reference and integration guides

Supported Platforms #

• Android - API level 26+ (Android 8.0+)
• iOS - iOS 12.0+
• Flutter - 3.19.0+

Supported Printers #

• TSPL-Compatible - N41, N42, and similar thermal label printers
• Resolution - 203 DPI (8 dots/mm) and higher
• Label Sizes - 2" (50mm) to 4.65" (118mm) width
• Media Types - Die-cut labels, continuous paper, black mark paper

Documentation #

• README.md - Comprehensive overview and quick start
• API Reference - Complete method documentation
• Integration Guide - Step-by-step integration instructions
• UI Implementation Guide - UI framework examples
• Label Printing Flow - Detailed printing process documentation
• Troubleshooting Guide - Common issues and solutions
• Development Guide - Contributing and development setup
• Release Preparation Guide - Release process and checklist

Added #

• Initial plugin structure
• Basic Bluetooth connectivity
• Basic printing functionality
• Platform interface setup

Note: This changelog follows Keep a Changelog format and Semantic Versioning principles.

For detailed information about each release, please refer to the GitHub releases page.