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Posted on April 7, 2021

DotNetBrowser 2.5

DotNetBrowser 2.5 is based on Chromium 88.

What’s New

Chromium 88

Chromium engine in DotNetBrowser 2.5 has been updated to version 88.0.4324.182.

In this Chromium build some of its features wrapped with the DotNetBrowser have been removed or changed, so this DotNetBrowser version introduces several breaking changes in the public API. Check out the migration guide for this version to see what API has been changed/removed and what alternatives you should use instead.

External Apps

Some applications installed in the operating system might be associated with a specific URI scheme. When a user navigates to a URL with such a scheme, Chromium displays a dialog where the user can decide whether the link should be opened in the associated external application or not.

With this update you can use OpenExternalAppHandler to intercept such cases and display your own dialog to the end users or programmatically open the external application without prompting the user. For example:

External App

Fixed Issues

  • Entering combined characters in the off-screen rendering mode. Such cases like the combination of ´ and e resulting in two separate characters in French are no longer an issue.
  • The removal of BrowserView from parent form in WinForms not being detected, leading to various focus issues.
  • Read/write permissions for JavaScript Clipboard API always being denied despite the RequestPermissionHandler implementation.


  • DotNetBrowser now supports the same list of UI languages as Chromium does.
  • It is now possible to display the BeforeUnload dialog when disposing IBrowser.
  • FIPS compliance was restored. It is now possible to use DotNetBrowser in the environments where the Federal Information Processing Standard restriction policy is enabled.

Request evaluation license
Download DotNetBrowser 2.5 (.NET Framework)
Download DotNetBrowser 2.5 (.NET Core)

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