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Changelog

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

[1.2.0] - 2026-04-17

Changed

  • Build Tooling: Migrated from unmaintained tsup to tsdown
    • Improved TypeScript support and faster builds
    • Better ESM/CJS dual build output

[1.1.0] - 2026-03-25

Changed

  • Library Migration: Replaced legacy/unmaintained dependencies with modern alternatives
    • Swapped UPNG.js for fast-png (better TypeScript support, actively maintained)
    • Swapped pako for fflate (significantly smaller bundle size, 2-3x faster compression)
  • Tooling: Migrated from ts-node to tsx for better ESM/CJS interop and faster execution
  • Added benchmark script to packages/core for performance tracking

[1.0.2] - 2026-03-10

Changed

  • Fixed typo in README

[1.0.1] - 2026-03-10

Changed

  • Licensing: Switched to hybrid license model
    • @data2image/core (library) now uses MIT for maximum adoption
    • data2image (CLI) and website remain GPLv3 (copyleft)
  • Updated package READMEs with prominent license notices
  • Added LICENSE and README.md to published package files
  • Fixed TypeScript type errors in web package Blob constructors

[1.0.0] - 2026-03-10

Added

  • Core library (@data2image/core): encode any file to PNG, decode back to original
    • Binary format v1 with magic bytes, CRC-32 integrity checks, deflate compression
    • Filename preservation (including Unicode)
    • Dual ESM + CJS builds
    • Works in Node.js, Deno, Bun, and browsers
  • CLI tool (data2image): command-line encode/decode with glob support
    • data2image encode <files...> with --output and --stdout options
    • data2image decode <files...> with --output option
    • Progress indicators for bulk operations
  • Website: Web app at benji377.github.io/data2image
    • Drag-and-drop file upload
    • Auto-detect encode vs decode based on .d2i.png extension
    • Bulk processing with progress bar
    • Image preview for encoded results
    • Download individual files or all as ZIP
    • Dark mode with system preference detection
    • Fully client-side - no server, no uploads

Changed

  • Complete rewrite from Python + vanilla JS to TypeScript monorepo
  • New binary format (not backward-compatible with the old Python implementation)