Released: Apr 16, 2026

Updates in 19.3.3

Features

• Updated third-party libraries to enhance security.

Fixes

• Fixed a COMMONJS_VARIABLE_IN_ESM warning using Vite 8+.

Released: Mar 5, 2026

Updates in 19.3.2

Features

• Updated third-party libraries to enhance security.

Released: Feb 11, 2026

Updates in 19.3.1

Features

• Improved the local network access check. Screenshots have been moved to a separate web page (which lists UI differences across browsers/versions) instead of being embedded directly in the dialogs.
• Updated third-party libraries to enhance security.

Fixes

• Fixed an issue with local network request parameters that caused connection failures after installation (affecting only Safari 26.2+).

Released: Dec 11, 2025

Updates in 19.3

Features

• Added a new OCR add-on, which uses latest AI technology.
• Added support for writing PDF/A files.
• Added checking of the local network access permission introduced in Chrome 142.
• Added extra settings for PrintEx().
• Added prevention of service installation on macOS versions lower than 10.15.
• Added support for service installation for multiple users (Windows only).
• Added an EnableLocalNetworkMixedContent property.
• Improved the performance of RemoveAllSelectedImages() by triggering...

Released: Aug 26, 2025

Updates in 19.2

Features

• Redesigned the service configuration page.
  • Moved settings of host, firewall and Bonjour service to the new external access tab.
  • Added domain binding for the service.
  • For security reasons, the settings cannot be modified through the web page unless EnableWebSetup is set to true in DSConfiguration.ini (requires admin privileges).
• Improved the performance of the webcam add-on.
• Added support for IsBlankImageAsync() on Linux/Mac.
• Added requestFocusForScanningUI parameter for RESTful API...

Released: May 7, 2025

Updates in 19.1

Features

• Added a new method getVisiblePagesInfo() to return the information of visible pages in a viewer. It is useful to add custom elements.
• Added support for reading special TIFFs (e.g. 4-bit RGB interleaved, old-style JPEG compression) on Windows.
• Added support for keeping the PDF forms when saving.
• Updated the way of checking CSS file integrity from fetching to examining the effectiveness of CSS rules.
• Updated the format of license expiry date to avoid misunderstanding.
• Updated the names of...

Released: Apr 1, 2025

Updates in 19.0

Features

• Greatly expanded support for the RESTful Dynamic Web TWAIN Service.
• Renamed the Dynamsoft Service to Dynamic Web TWAIN Service.
• PDF Handling:
  • Added new PDF Rasterizer Add-On API 'preserveUnmodifiedOnSave' to preserve the size of unmodified PDF pages when saving.
  • Added new PDF Rasterizer Add-On API 'IsRasterizationRequired()'. This API returns true if the PDF file contains content other than one image per page. Please note that while invoking this API does not require a license for the...

Released: Oct 22, 2024

Updates in 18.5.1

Features

• Enhanced product security.
• Updated third-party libraries to enhance security.
• Enhanced compatibility with the HTTP Content-Security-Policy style-src directive.
• Improved scanner compatibility.
• Improved the internal algorithms of the IsBlankImageAsync API.
• Added a configuration to file-saving APIs that allows specifying whether to automatically create directories when the provided path does not exist. This option is enabled by default, and preserves existing behavior.

Fixes

• Fixed an issue...

Released: May 14, 2024

Updates in 18.5

Features

• Save encrypted image caches in local Dynamsoft Service folder - In certain scenarios, there may be requirements to store encrypted image caches on a local disk for temporary data storage or backup purposes. Dynamic Web TWAIN has introduced a new feature that facilitates developers in securely storing image caches in encrypted form within the Dynamsoft Service folder.
• Access-Control-Allow-Origin for Dynamsoft Service - Added a new security feature which configures Dynamsoft Service to...

Released: Dec 5, 2023

Updates in 18.4.2

Features

• Security update for Dynamsoft Service.