Essential Studio® for Document Processing - v33.2.6 Release Notes

v33.2.6
May 12, 2026
Test Results: 235812 Success , 0 Failure

PDF Library

.NET PDF Library

Bug Fixes

  • I806136 - Fixed the issue where a stack overflow exception occurred while merging the document.
  • I822351 - Fixed the issue where loaded page templates were rendering inverted images when the BBox was rotated.
  • I833037 - Fixed the issue where grid pagination did not enforce the maximum pagination height.
  • I830423 - Fixed the issue where Incorrect Image Color Rendering After Merging Multiple PDFs.
  • F198282 - Fixed the issue where Link annotation is not preserved after importing the annotation in json format.

JavaScript PDF Library

Bug Fixes

  • #I834643 - Resolved an issue where form fields were not correctly retrieved from a specific PDF document.
  • #I834645 -Resolved a performance issue encountered during the import of annotations in JSON format.

Word Library

.NET Word Library

Bug Fixes

  • I833945 - Alternate Chunk header text is now preserved properly during converting a DOCX document to PDF.
  • I823933 - Destination document styles are now applied properly after inserting html using the AppendHTML API.
  • I833973 - The InvalidOperationException will no longer be occur after adding a comment range to deleted revision text.
  • I831963 - Auto-hyphenated text will now preserved properly for a word that is split while converting Word to PDF.
  • I833014 - Hanging will no longer occurs due to a table having the Keep With Next property during DOCX to PDF.
  • I821581 - Text form fields will be preserved properly for multi-line paragraphs when converting DOCX to PDF.

Excel Library

.NET Excel Library

Bug Fixes

  • I837043 - Fixed an exception that occurred when applying template marker with a date as text.
  • I833948 - Resolved corruption issues when resaving Excel files with grouped shapes.
  • I832376 - DateTime formulas are now handled correctly during Excel to PDF conversion.
  • Radar chart axis lines are now properly visible in the created Excel document.
  • Dot dash type is now preserved correctly when resaving Excel document.

PowerPoint Library

.NET PowerPoint Library

Bug Fixes

  • I833909 - The cropped SVG images in layout slide will be preserved properly when resaving the PPTX document.
  • I834510 - PlaceHolderFormat will be preserved properly when clone and merge a slide with customized layout index.

PDF Viewer

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

Bug Fixes

  • #I835502 - Resolved an issue where text selection was incorrectly enabled in Pan mode during touch interaction.

.NET MAUI PDF Viewer

Bug Fixes

  • #I836282 - PDF search result highlighting in the .NET MAUI PDF Viewer now displays correctly when pages are rendered using OverscanCount.

DOCX Editor

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

Bug Fixes

#I834582 - Fixed an issue where header and body content overlapped after pasting SFDT.
#I831706 - Fixed incorrect rendering size of bookmark square brackets.
#I826955 - Fixed an issue where ribbon styles were not updated after applying a style programmatically.
#I834593 - Fixed incorrect positioning of bullet arrows.
#I820015 - Fixed the floating table position issue.
#I827614 - Fixed cursor misalignment with pasted content inside the footer.
#I832429 - Resolved overlapping issue caused by ShapeElementBox.
#I821391 - Fixed an issue where vertically resizing a table caused content to shift or disappear during export.
#I834540 - Fixed an issue where the “Dialog failed to load” alert was displayed twice on document open.
#I835298 - Fixed an exception thrown during export for content control group type.
#F71684 - Fixed improper preservation of Hebrew content.
#I829713 - Fixed incorrect behavior of table border styles.
#I834548 - Fixed an issue where image size fields did not retain decimal values.
#I817551 - Fixed an issue where using “Ignore Once” in spell check left a partial underline.

Blazor DOCX Editor

Bug Fixes

#I834582 - Fixed an issue where header and body content overlapped after pasting SFDT.
#I831706 - Fixed incorrect rendering size of bookmark square brackets.
#I834593 - Fixed incorrect positioning of bullet arrows.
#I820015 - Fixed the floating table position issue.
#I827614 - Fixed cursor misalignment with pasted content inside the footer.
#I832429 - Resolved overlapping issue caused by ShapeElementBox.
#I821391 - Fixed an issue where vertically resizing a table caused content to shift or disappear during export.
#I835298 - Fixed an exception thrown during export for content control group type.
#F71684 - Fixed improper preservation of Hebrew content.
#I829713 - Fixed incorrect behavior of table border styles.
#I834548 - Fixed an issue where image size fields did not retain decimal values.
#I817551 - Fixed an issue where using “Ignore Once” in spell check left a partial underline.

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 14065 14065 0 All Passed
PDF Viewer .NET MAUI 15368 15368 0 All Passed
PDF Viewer Blazor 16532 16532 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 41111 41111 0 All Passed
Word Library Java 4079 4079 0 All Passed