Essential Studio® for Document Processing - v32.1.24 Release Notes

v32.1.24
January 20, 2026
Test Results: 227811 Success , 0 Failure

PDF Library

.NET PDF Library

Bug Fixes

  • I793800 - Fixed an issue where content was not preserved correctly when redacting a watermark from a scanned document.

JavaScript PDF Library

Bug Fixes

  • I801216 - Fixed improper casing of allowed interactions during XFDF annotation export.
  • I801558 - Resolved the loss of word spacing when applying a stamp icon to rubber stamp annotations.

Word Library

.NET Word Library

Bug Fixes

  • I799653 - Cross Ref field is now updated properly after calling UpdateDocumentFields API.
  • I799432 - Gradient fill color for shape is now preserved properly while converting a DOCX document to PDF.
  • I801262 - OlePicture is now preserved properly after comparing DOCX documents.
  • I800516 - The ArgumentOutOfRangeException will no longer be thrown when field is present inside a Math element while converting Word document to PDF.

Excel Library

.NET Excel Library

Bug Fixes

  • #I799881 - The performance issue during Excel‑to‑PDF conversion caused by repeated processing of identical images has now been resolved.
  • The row visibility is now updated correctly when deleting a column that has an applied AutoFilter.

PDF Viewer

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

Bug Fixes

  • #I802591 - Fixed an issue where the Free Text annotation moved outside the PDF page when using a large font size and resizing or dragging it beyond the page boundaries.
  • #I798752 - Fixed an issue that caused difficulties in resizing the newly added Calibrate Area annotation when the enableShapeLabel API was set to true.

WPF PDF Viewer

Bug Fixes

  • I803406 - Null Exception will no longer occurs when clicking the layers option in WPF Pdfviewer”.

DOCX Editor

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

Bug Fixes

#I791620 - Resolved the issue in delete a space between endnote references and the endnote itself disappears.
#I793341 - Spell Check Options is not visible in Context Menu Even After ‘Ignore Once’ Action.
#I781204 - Fixed an issue where headers did not render correctly when containing large amounts of content.
#I785134 - Addressed inconsistent selection behavior when selecting a table header or a split row.
#I784385 - Resolved an issue where field code text appeared after deleting a page number for the second time.
#I991411 - Fixed content overlap that occurred when pressing Enter with Spell Check enabled after using Backspace.
#I790853 - Corrected an issue where the bulleted list or numbered list button did not remain highlighted in the Ribbon after being applied.

Blazor DOCX Editor

Bug Fixes

#I791620 - Resolved the issue in delete a space between endnote references and the endnote itself disappears.
#I793341 - Spell Check Options is not visible in Context Menu Even After ‘Ignore Once’ Action.
#I781204 - Fixed an issue where headers did not render correctly when containing large amounts of content.
#I785134 - Addressed inconsistent selection behavior when selecting a table header or a split row.
#I784385 - Resolved an issue where field code text appeared after deleting a page number for the second time.
#I991411 - Fixed content overlap that occurred when pressing Enter with Spell Check enabled after using Backspace.

Test Results

Component Name Platform Test Cases Passed Failed Remarks
Calculate Library .NET 145 145 0 All Passed
DOCX Editor Blazor 1975 1975 0 All Passed
DOCX Editor Web(Javascript, Angular, React, Vue, ASP.NET Core & MVC) 5023 5023 0 All Passed
Excel Library .NET 37875 37875 0 All Passed
Metafile Renderer .NET 897 897 0 All Passed
PDF Library .NET 13763 13763 0 All Passed
PDF Viewer Windows Forms 209 209 0 All Passed
PDF Viewer WPF 3036 3036 0 All Passed
PDF Viewer .NET MAUI 14684 14684 0 All Passed
PDF Viewer Blazor 14985 14985 0 All Passed
PDF Viewer Web(Javascript, Angular, React, Vue, ASP.NET Core & MVC) 19805 19805 0 All Passed
PowerPoint Library .NET 54538 54538 0 All Passed
Spreadsheet Blazor 3012 3012 0 All Passed
Spreadsheet Web(Javascript, Angular, React, Vue, ASP.NET Core & MVC) 10773 10773 0 All Passed
Spreadsheet WPF 2710 2710 0 All Passed
Word Library .NET 40302 40302 0 All Passed
Word Library Java 4079 4079 0 All Passed