Essential Studio® for Document Processing - v33.2.7 Release Notes

v33.2.7
May 19, 2026
Test Results: 235857 Success , 0 Failure

PDF Library

.NET PDF Library

Bug Fixes

  • I834893 - Resolved a null reference exception that occurred when extracting images from certain PDF documents.
  • I833879 - Fixed an issue where text search results included unintended ignored spaces when using text search options.
  • I830357 - Fixed an Index Out of Bounds exception that occurred after removing scripts from a PDF document.
  • I835897 - Resolved an issue where the font size of free text annotations was inconsistent in a specific document.

JavaScript PDF Library

Bug Fixes

  • #I834643 - Resolved an issue where the form field page was incorrectly shown as undefined when parsing a specific PDF document.
  • #I838193 - Fixed a script error that occurred during the export of form fields to JSON format.

Word Library

.NET Word Library

Bug Fixes

  • I834657 - AltChunk header content is now preserved properly after converting a RTF document to DOCX.
  • I837074 - The NullReferenceException will no longer be thrown while opening a DOCX document with shape.
  • I836986 - Header text with multiple tabs is now preserved properly while converting a Word document to PDF.
  • I833998 - Auto-hyphenated text is now preserved properly for a justified para while converting a Word document to PDF.
  • Comment references is now applied properly in footnote after resaving the DOCX document.

Excel Library

.NET Excel Library

Bug Fixes

  • I814263 - Fixed an issue where converting XLSB to XLSX caused an exception due to incorrect parsing of named range array formulas.
  • Worksheet connection named ranges serialized properly with table names.

PDF Viewer

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

Bug Fixes

  • #I837168 - Fixed an issue where the ListBox selectedIndex and export values were not set correctly when the Form Designer module was not injected.
  • #I826675 - Fixed an issue where FreeText annotation text alignment was not preserved correctly after programmatic editing.
  • #I836939 - Fixed an issue where the text search loading spinner did not stop when searching for non-existent text and clicking the Next button.
  • #I837261 - Fixed an issue where the findText method did not work properly when the searched text appeared in both single-line and multi-line.

.NET MAUI PDF Viewer

Bug Fixes

  • #I836362 - The added typed signature in the .NET MAUI PDF Viewer now displays fully when resized to different sizes, resolving the issue where it was previously only partially visible at certain dimensions.
  • #I834699 - Navigation to pages containing a large number of link annotations no longer causes freezing in the MAUI PDF Viewer.

Improvements

  • #F834506 - Combo box selections in the .NET MAUI PDF Viewer on Android and iOS are now applied instantly without requiring confirmation buttons, improving the form-filling experience.

DOCX Editor

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

Bug Fixes

#I830674 - Fixed content disappears when reopening and editing a saved document.
#I830279 - Fixed row height resets after applying cell alignment.
#I837723 - Fixed incorrect text selection position after editing header area.
#I837719 - Fixed the unexpected textbox removal and cursor misplacement in header issue.
#I817922 - Fixed ignoring suggestions causes page freeze after removing merge field issue.
#F73583 - Fixed paragraph spacing not preserved for justified content after small edits.
#I835086 - Resolved indentation misalignment in multi-level list on enter key press.
#I832423 - Fixed collaborative editing sync issue with indentation and numbering changes.
#I815790 - Fixed an issue where ribbon icons not disabled when document is read only.
#I830734 - Fixed an issue where text parenthesis flipped compared to Word.
#I831275 - Fixed indentation is not preserved after applying bullets to pasted SFDT content.
#I836445 - Fixed endnote menu becomes disabled after inserting an endnote issue.
#I829356 - Fixed an issue where typing text after bracket navigation inserts text in wrong location.
#I826951 - Fixed applying heading style removes bold formatting on bookmark issue.
#I833592 - Fixed bookmark text insertion alters font style issue.
#I835571 - Resolve the script error issue when using beginBatchEdit API.
#I829789 - Fixed an issue where font color for the styles in the ribbon is missing.
#I824434 - Fixed spell checking triggers script failure after form merge fields in server side.
#I833098 - Fixed an issue where SFDT export corrupts numeric table cell content in Footnotes and Endnotes.
#I828071 - Resolve the stop protection issue when document protected using SHA1 algorithm.

Blazor DOCX Editor

Bug Fixes

#I832054 - Fixed the issue that invalid font size value causes application crash.
#I830674 - Fixed content disappears when reopening and editing a saved document.
#I837723 - Fixed incorrect text selection position after editing header area.
#I837719 - Fixed the unexpected textbox removal and cursor misplacement in header issue.
#I817922 - Fixed ignoring suggestions causes page freeze after removing merge field issue.
#F73583 - Fixed paragraph spacing not preserved for justified content after small edits.
#I832423 - Fixed collaborative editing sync issue with indentation and numbering changes.
#I830734 - Fixed an issue where text parenthesis flipped compared to Word.
#I831275 - Fixed indentation is not preserved after applying bullets to pasted SFDT content.
#I829356 - Fixed an issue where typing text after bracket navigation inserts text in wrong location.
#I826951 - Fixed applying heading style removes bold formatting on bookmark issue.
#I833592 - Fixed bookmark text insertion alters font style issue.
#I835571 - Resolve the script error issue when using beginBatchEdit API.
#I824434 - Fixed spell checking triggers script failure after form merge fields in server side.
#I833098 - Fixed an issue where SFDT export corrupts numeric table cell content in Footnotes and Endnotes.
#I828071 - Resolve the stop protection issue when document protected using SHA1 algorithm.

Test Results

Component Name Platform Test Cases Passed Failed Remarks
Calculate Library .NET 145 145 0 All Passed
DOCX Editor Blazor 2000 2000 0 All Passed
DOCX Editor Web(Javascript, Angular, React, Vue, ASP.NET Core & MVC) 5231 5231 0 All Passed
Excel Library .NET 37994 37994 0 All Passed
Metafile Renderer .NET 897 897 0 All Passed
PDF Library .NET 14075 14075 0 All Passed
PDF Viewer .NET MAUI 15368 15368 0 All Passed
PDF Viewer Blazor 16545 16545 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 54547 54547 0 All Passed
Spreadsheet Blazor 5094 5094 0 All Passed
Spreadsheet Web(Javascript, Angular, React, Vue, ASP.NET Core & MVC) 10887 10887 0 All Passed
Spreadsheet WPF 2716 2716 0 All Passed
Word Library .NET 41133 41133 0 All Passed
Word Library Java 4079 4079 0 All Passed