v1.2.0

What's Changed

Major Features

• Pure Python PNG Optimization: Replaced external pngquant-cli dependency with PIL-based optimization by @NatLee
• Enhanced CLI with Smart Mode Detection: Added intelligent distinction between regular file processing and stream processing modes by @NatLee
• Comprehensive Transparency Support: Implemented proper RGBA/LA transparency preservation using FASTOCTREE quantization by @NatLee
• Stream Processing Support: Enhanced stdin/stdout functionality for shell pipelines by @smontanaro in #5

Technical Improvements

• Architecture Refactor: Enhanced HEIC2PNG class to support file-like objects and improved error handling by @NatLee
• CLI Behavior Optimization: Fixed binary output issue in regular mode, now shows processing information by @NatLee
• Python Version Support: Updated to support Python 3.8+ (removed Python 3.7 support) by @NatLee
• Dependency Cleanup: Removed pngquant-cli dependency, now uses pure Python implementation by @NatLee

Documentation & Testing

• Comprehensive README: Added detailed usage examples, quick start guide, and mode explanations by @NatLee
• Enhanced Test Coverage: Added transparency tests, CLI compatibility tests, and error handling tests by @NatLee
• Python 3.8 Compatibility: Fixed syntax compatibility issues in tests for broader Python version support by @NatLee

Bug Fixes

• PNG Optimization Warnings: Completely eliminated pngquant-related warnings by @NatLee
• Transparency Loss: Fixed transparency preservation issues in RGBA/LA images by @NatLee
• CLI Binary Output: Resolved issue where regular mode was outputting binary data instead of processing info by @NatLee

New Contributors

• @smontanaro made their first contribution in #5

Breaking Changes

• Python Version: Minimum Python version requirement changed from 3.7 to 3.8
• Dependencies: Removed pngquant-cli dependency - now uses pure Python implementation
• CLI Behavior: Regular mode now shows processing information (use stream mode for silent processing)
• Full Changelog: v1.1.4...v1.2.0

v1.1.4

Full Changelog: v1.1.3...v1.1.4

• Add traceback for getting more details of exception message.

v1.1.3

Full Changelog: v1.1.2...v1.1.3

• Add pkg support for old version with quality.

v1.1.2

Full Changelog: v1.1.1...v1.1.2

• Fix overwrite flag.
• Show the options when using CLI.

v1.1.1

Full Changelog: v1.1.0...v1.1.1

• Fix typo.

v1.1.0

This version has a bug with CLI.

Full Changelog: v1.0.1...v1.1.0

• Add flag -q for adjusting quality of generating image.

v1.0.1

What's Changed

• Fixes grammar for error output message in cli.py by @erickdacohen in #1

New Contributors

• @erickdacohen made their first contribution in #1

Full Changelog: v1.0.0...v1.0.1

v1.0.0

Full Changelog: v0.9.5...v1.0.0

• Change Python CLI to raw CLI mode.

v0.9.5 release

Full Changelog: v0.9.0...v0.9.5

• Add simple CLI.
• Add some examples on README.md.

HEIC2PNG

Full Changelog: https://github.com/NatLee/HEIC2PNG/commits/v0.9.0

First release.