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CHANGELOG.md

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Release notes

4.4.5

  • We've updated Microblink logo and colors

4.4.4

Platform-related SDK changes

  • We've added methods for programmatically starting camera and image scan when using the UI component.
    • It's possible to call startCameraScan() and startImageScan(File) methods on the custom web element.
  • We've standardized error structures returned from the WebAssembly library and the UI component.
  • We've completed support for part:: selector and added an example.
  • We've simplified integration of the UI component with Angular and React frameworks.

Bug fixes

  • We've ensured that all SDK errors can be visible from fatalError and scanError events in the UI component.
  • We've fixed a bug where a user couldn't upload an image after the camera scan failed to start.
  • We've fixed a bug where the video feed wasn't released in the scenario where the UI component was removed from the DOM.
  • We've improved memory management during the initialization of the UI component to avoid the creation of unnecessary web workers.

4.4.3

Platform-related SDK changes

  • We've improved the performance of the SDK by adding support for WebAssembly SIMD.
    • This increases the scanning performance on compatible browsers up to 77% and up to 94% in cases when WebAssembly threads are also supported.
    • Keep in mind that this feature requires a compatible browser (Chrome 91 and Firefox 90 or newer versions). Only advanced and advanced-threads binaries are using SIMD. In case that the browser doesn't support this feature, basic binary will be used.
  • We've reduced the memory fragmentation during video processing, resulting in a smaller memory footprint.
  • We've added a camera management UI module for the selection of connected cameras
    • We've added VideoRecognizer.changeCameraDevice method that can be used to change the active camera device during the scanning session
  • We've improved accessibility of the UI component by changing background contrasts and increasing default font sizes
  • We've added a mechanism to automatically delete an instance of worker script in case of unsuccessful SDK initialization.
    • New method WasmSDK.delete() was added for this purpose and is available on every instance of the SDK.
  • We've changed improper error handling in the VideoRecognizer class.
    • From now on, it's possible to catch all errors that happen during the video recognition.

Bug fixes

  • We've optimised memory usage of the SDK by fixing a problem where every refresh of the UI component would result in a new instance of web worker

4.4.2

  • We’ve temporarily unlisted Aztec 2D and Data Matrix 2D from supported barcodes.

4.4.1

UI component

  • We added a UI component in the format of a custom web element to use BlinkInput on your web in an effortless way.
  • Check out the README file for instructions on how to use UI component, or check the ui directory for complete source code.

Performance improvements

  • We've added three different flavors of WebAssembly builds to the SDK, to provide better performance across all browsers
    • Unless defined otherwise, the SDK will load the best possible bundle during initialization:
      • Basic Same as the existing WebAssembly build, most compatible, but least performant.
      • Advanced WebAssembly build that provides better performance but requires a browser with advanced features.
      • AdvancedWithThreads Most performant WebAssembly build which requires a proper setup of COOP and COEP headers on the server-side.
    • For more information about different WebAssembly builds and how to use them properly, check out the relevant section in our official documentation

SDK changes

  • We've exposed a couple of functions that are used by the SDK to determine which WebAssembly bundle to load and from which location

    • Function detectWasmType() returns the best possible WebAssembly bundle based on the browser features.
    • Function wasmFolder( WasmType ) returns the name of the resources subfolder of the provided WebAssembly bundle type.
    • For more information about the declaration of mentioned functions, see WasmLoadUtils.ts file.

  • Added support to flip camera view.

  • Added support to set desired camera ID when scanning from camera.

4.4.0

  • initial release of the BlinkInput In-browser SDK
  • supported recognizers:
    • generic barcode recognizer
    • SIM number barcode recognizer
    • VIN barcode recognizer