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Changelog

Notable user-facing changes are recorded here. The project follows Semantic Versioning while it is in 0.x: minor releases may change public contracts, and patch releases remain backward compatible within the current minor line.

0.4.0 - 2026-07-20

Added

  • Optional AbortSignal/CompressionControl cancellation with stable ERR_CANCELLED normalization across preflight, queued, and running work.
  • Decode-time downsampling for resize requests and pre-decode source/working pixel limits with stable ERR_RESOURCE_LIMIT failures.
  • Additive capability fields for bounded concurrency, downsampling, and named resource limits.
  • Large-image, cancellation-race, output-cleanup, and alpha decode-back native coverage.
  • Version-specific v0.4.0 GitHub Release notes.

Changed

  • iOS file, decode, transform, encode, and output work runs on a bounded background NSOperationQueue and uses ImageIO/CoreGraphics instead of main-thread UIKit rendering.
  • Android compression runs on a two-worker bounded executor instead of the React Native module queue.
  • Android and iOS publish only fully encoded cache files and remove temporary or published output when cancellation wins before settlement.
  • JPEG transparency is flattened onto white consistently; PNG/WebP alpha capability now matches decode-back validation.
  • Release metadata separates the intended release target from the registry-observed published npm latest, and Trusted Release selects notes from its exact validated version instead of a prior-version hardcode.

Compatibility

  • Existing compressImage(options) calls and result fields remain unchanged.
  • Small-image resize, crop, metadata, format, and maxBytes semantics remain compatible; the new control and capability fields are additive.
  • HEIC/HEIF/AVIF output, batch APIs, progress events, animation preservation, remote URLs, and data URIs remain outside scope.

0.3.0 - 2026-07-18

Added

  • Public integration and platform-support documentation.
  • A GitHub Pages site with a traceable native before/after evidence contract.
  • Community contribution, support, and security-reporting paths.
  • Compatibility and trusted-release gates.
  • The ImageCompressionKitErrorCode public TypeScript export.

Changed

  • The podspec source tag now follows the repository's v<version> tag format.
  • Package and repository links use the canonical public documentation site.

Compatibility

  • Native compression and output behavior remain unchanged from 0.2.62.
  • Android requires API 23 or newer; iOS requires 13.4 or newer.
  • Expo requires a development build or prebuild. Expo Go is unsupported.
  • The verified release lanes cover React Native 0.73.11 Legacy, React Native 0.86.0 Legacy/New, and Expo 57.0.7 development builds on Android and iOS.
  • Intermediate React Native versions accepted by the >=0.73 <1.0 peer range are not individually release tested.

0.2.62 - 2026-07-17

  • Split npm-user documentation from repository release-evidence operations.
  • Added semantic documentation and current-status gates.
  • Preserved release evidence, native behavior, and public API compatibility.

Complete 0.2.x implementation and evidence history is preserved in the repository history and GitHub Releases.