FileUltimate v9.8.5

Version 9.8.5 - December 18, 2025

• Fixed: Error when FileManager or FileUploader is put into a cross-domain iframe:
  Uncaught (in promise) SecurityError: Failed to read a named property 'matchMedia' from 'Window'

• Fixed: FileUploader page leave confirm dialog was not working.

• Improved: Document Viewer:

  • Improved: Updated PDF.js library to 5.4.449 for stability and performance.

  • Fixed: Error when DocumentViewer is put into a cross-domain iframe:
    Uncaught (in promise) SecurityError: Failed to read a named property 'matchMedia' from 'Window'
    Also avoid Blocked autofocusing on a <button> element in a cross-origin subframe. browser warning
    by not using autofocus attribute.

  • Fixed: Comments sidebar and signature menus should use the same font-family and
    font-size should be relative to the UI e.g. when using large UI sizing.

  • Fixed: When converting/viewing Word Processing formats show Header/Footer even if page content is empty.

  • Added: New permission DocumentViewerPermissions.RunScripts which is included in default permission DocumentViewerPermissions.All.
    For security purpose, you can now disable execution of active content (JavaScript) by PDF files.

  • Fixed: CacheTrim.log was being deleted too often as file creation date was not reset and thus it was considered expired.
    Normally it should keep contents till DocumentCache.MaxAge.

Included example projects:

• ASP.NET Core (C#) - Visual Studio 2019+
• ASP.NET Core on .NET Framework (C#)- Visual Studio 2017+
• ASP.NET MVC (C#) - Visual Studio 2015+
• ASP.NET MVC (VB) - Visual Studio 2015+
• ASP.NET WebForms (C#) - Visual Studio 2015+
• ASP.NET WebForms (VB) - Visual Studio 2015+