Essential Studio® for Document Processing - v34.2.4 Release Notes

v34.2.4
August 18, 2026
Test Results: 237212 Success , 0 Failure

PDF Library

.NET PDF Library

Bug Fixes

  • #F198454 - Fixed an issue where TextSearchOptions.WholeWords did not correctly identify numeric values containing decimal points as whole words.
  • #I852034 - Resolved the performance degradation experienced when extracting text from and saving encrypted PDF files.
  • #I857714 - Fixed an issue where word spacing was not preserved during text extraction.
  • #I862021 - Fixed an issue where annotation comments were not preserved correctly during annotation export.

Word Library

.NET Word Library

Bug Fixes

  • I862212 - Paragraph styles are now applied correctly to text when a DOCX document is resaved.
  • I858622 - Paragraph indentation is now preserved correctly for text within tables after appending HTML content using the AppendHTML API during mail merge.
  • I857432 - Text width is now calculated correctly for Marsh Serif Bold font when converting Word documents to PDF.
  • I850800 - Auto-hyphenated Hungarian text is now split correctly when converting Word documents to PDF.

PowerPoint Library

.NET PowerPoint Library

Bug Fixes

  • I850732 - The background color of SmartArt shapes is now preserved correctly during PPTX-to-PDF conversion.

PDF Viewer

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

Bug Fixes

  • #I863561 - Resolved an issue where a script error occurred when clearing a signature field value programmatically.

DOCX Editor

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

Bug Fixes

#I858305 - Fixed an issue where the editable region highlight did not extend to empty region boundaries in the Document Editor.
#I860689 - Resolved a script error that occurred while loading a document.
#I860831 - Fixed an issue where pasting a table inside another table cell displayed raw SFDT content.
#I860753 - Resolved an issue where the table resize icon appeared when hovering over normal text content.
#I857232 - Fixed an overlapping issue in multi-column documents.
#I854040 - Resolved a Document Editor loading error with CRG-generated individual scripts.
#I859142 - Fixed an issue where content was removed after pasting selected HTML as SFDT.
#I855175 - Resolved an issue where the table shifted to the left when resizing the first column.
#I854961 - Fixed an issue where Backspace and Delete key behavior did not match Microsoft Word.
#I854770 - Resolved an issue where mentions in comments could not be edited in Firefox.
#I859875 - Fixed a script error that occurred when performing a Backspace operation in an RTL list.
#I855151 - Fixed an issue where an extra newline appeared after pasting text and performing an undo operation.
#I856552 - Resolved an issue where text inside a shape was rendered above the shape and overlapped with other content.

Spreadsheet Editor

Blazor Spreadsheet Editor

Bug Fixes

  • Updated component name casing in telemetry to ensure consistent event tracking and reporting.

WPF Spreadsheet Editor

Bug Fixes

  • Updated component name casing in telemetry to ensure consistent event tracking and reporting.

WinForms Spreadsheet Editor

Bug Fixes

  • Updated component name casing in telemetry to ensure consistent event tracking and reporting.

Test Results

Component Name Platform Test Cases Passed Failed Remarks
Calculate Library .NET 145 145 0 All Passed
DOCX Editor Blazor 2005 2005 0 All Passed
DOCX Editor Web(Javascript, Angular, React, Vue, ASP.NET Core & MVC) 5303 5303 0 All Passed
Excel Library .NET 38009 38009 0 All Passed
Metafile Renderer .NET 956 956 0 All Passed
PDF Library .NET 14202 14202 0 All Passed
PDF Viewer .NET MAUI 15368 15368 0 All Passed
PDF Viewer Blazor 16972 16972 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 5537 5537 0 All Passed
Spreadsheet Web(Javascript, Angular, React, Vue, ASP.NET Core & MVC) 10972 10972 0 All Passed
Spreadsheet WPF 2722 2722 0 All Passed
Word Library .NET 41239 41239 0 All Passed
Word Library Java 4079 4079 0 All Passed