Essential Studio® for Document Processing - v34.1.33 Release Notes

v34.1.33
July 28, 2026
Test Results: 236821 Success , 0 Failure

JavaScript PDF Library

Bug Fixes

  • #I856223 - Resolved an issue where free text annotation content was not displayed when a fill color was applied.
  • #I859964 - Resolved an issue where existing ink annotations were not preserved when applying flattening.
  • #I854648 - Resolved an issue where polygon annotations were not included in the redaction process when applying redactions.

Word Library

.NET Word Library

Bug Fixes

  • I853512 - Code blocks are now preserved correctly when converting Markdown documents to HTML.
  • I850796 - Image wrapping is now preserved correctly when saving HTML documents.
  • I854350 - The NullReferenceException will no longer be thrown for lists containing RTL text during Word-to-PDF conversion.
  • I854293 - The pagination issue will no longer occur for text height mismatch during Word-to-PDF conversion on Linux.
  • I854114 - Footnotes are now preserved correctly when converting Word documents to PDF.
  • I852626 - Tables are now rendered correctly for text wrapping during Word-to-PDF conversion.
  • I851944 - Underline and strikethrough formatting are now preserved correctly during Word-to-PDF conversion.
  • I850755 - The Cannot access a closed stream exception will no longer be thrown during Word-to-PDF conversion.

PDF Viewer

Web PDF Viewer (Javascript, Angular, React, Vue, ASP.NET Core & MVC)

Bug Fixes

  • #I854300 - Fixed an issue where annotations were not properly removed through the deleteAnnotations and deleteAnnotationById methods when the drawing operation was completed by releasing the mouse outside the PDF Viewer.
  • #I856939 - Fixed an issue where HTML entities were not displayed correctly in the comment panel after exporting and importing annotations when enableHtmlSanitizer property was set to false.

DOCX Editor

Web DOCX Editor (Javascript, Angular, React, Vue, ASP.NET Core & MVC)

Bug Fixes

#I850758 - Fixed an issue where strict CSP caused console errors and prevented the editor from loading completely.
#I845212 - Fixed an issue where the header date layout differed from Microsoft Word rendering.
#I852072 - Fixed an issue where text did not return to its original line after re-inserting a deleted space.
#I849043 - Fixed a pagination issue that occurred due to a checkbox when opening the document in the Document Editor.
#I853870 - Fixed an issue where the changeCase() API did not work for words preceded by non-ASCII characters.
#I853875 - Fixed an issue where mentions in comments were rendered incorrectly in Firefox.
#I853890 - Fixed an issue where a script error occurred in the getComments() API after editing a comment containing mentions.

WPF DOCX Editor

Bug Fixes

  • I857553 - ArgumentOutOfRangeException is no longer thrown when splitting table rows across pages in long documents.

UWP DOCX Editor

Bug Fixes

I857553 - ArgumentOutOfRangeException is no longer thrown when splitting table rows across pages in long documents.

Test Results

Component Name Platform Test Cases Passed Failed Remarks
Calculate Library .NET 145 145 0 All Passed
DOCX Editor Web(Javascript, Angular, React, Vue, ASP.NET Core & MVC) 5302 5302 0 All Passed
DOCX Editor Blazor 2004 2004 0 All Passed
Excel Library .NET 37999 37999 0 All Passed
Metafile Renderer .NET 897 897 0 All Passed
PDF Library .NET 14166 14166 0 All Passed
PDF Viewer .NET MAUI 15368 15368 0 All Passed
PDF Viewer Blazor 16910 16910 0 All Passed
PDF Viewer Web(Javascript, Angular, React, Vue, ASP.NET Core & MVC) 21897 21897 0 All Passed
PDF Viewer Windows Forms 209 209 0 All Passed
PDF Viewer WPF 3040 3040 0 All Passed
PowerPoint Library .NET 54557 54557 0 All Passed
Spreadsheet Blazor 5414 5414 0 All Passed
Spreadsheet Web(Javascript, Angular, React, Vue, ASP.NET Core & MVC) 10894 10894 0 All Passed
Spreadsheet WPF 2718 2718 0 All Passed
Word Library .NET 41222 41222 0 All Passed
Word Library Java 4079 4079 0 All Passed