v7.3.0

New features

• [Web] Added support for multiple barcode detection backends, selectable via MobileScannerPlatform.instance.setWebBarcodeReader(WebBarcodeReader reader):
  • WebBarcodeReader.auto (default), uses the native BarcodeDetector API when available, and falls back to zxing-wasm otherwise.
  • WebBarcodeReader.barcodeDetector, uses the W3C Shape Detection API (Chrome 83+, Edge 83+, Safari 17+). No external library is loaded.
  • WebBarcodeReader.zxingWasm, uses zxing-wasm (ZXing C++ compiled to WebAssembly), which works in all modern browsers including Firefox.
  • WebBarcodeReader.zxingJs, the legacy ZXing JavaScript backend, retained for backward compatibility.
• [Web] Added MobileScannerPlatform.instance.activeWebReader to query which backend is currently active.
• Added BarcodeFormat.maxiCode and BarcodeFormat.microQrCode, supported by the WebBarcodeReader.zxingJs and WebBarcodeReader.zxingWasm backends.
• Added BarcodeFormat.dataBar, BarcodeFormat.dataBarExpanded and BarcodeFormat.dataBarLimited (GS1 DataBar / RSS-14), supported by the WebBarcodeReader.zxingJs and WebBarcodeReader.zxingWasm backends (DataBar and DataBar Expanded only for zxingJs), and by Apple Vision on iOS 15+ / macOS 12+.

Improvements

• [Web] Bumped @zxing/library (the WebBarcodeReader.zxingJs backend) from 0.21.3 to 0.23.0.

Bug Fixes

• Fixed disposing a MobileScannerController also disposing the platform resources of a different controller. Disposing a controller that does not hold the active camera session no longer tears down the camera of the controller that does. (#1631)
• Fixed a subscription leak where a controller that was disposed without being stopped kept its internal event stream subscriptions alive.
• Fixed an issue when running the plugin using AGP 9.