Essential Studio® for Document Processing - v33.2.3 Release Notes

v33.2.3

April 21, 2026

Test Results: 234611 Success , 0 Failure

• All
• Features
• Bug Fixes
• Breaking Changes

Smart Data Extraction Library

Smart Data Extractor

Features

• Added support for converting PDF documents into Markdown content in Smart Data Extraction library.
• The following table outlines how common PDF elements are preserved when converted to Markdown.

PDF Elements	How It Preserves in Markdown
Header, Paragraph Title, Document Title	Headings (H2)
Paragraph	Paragraph
Image	Image (base64 string)
Table	Table
Text Inline Styles	Bold and Italic
Link text without title text	Links
Code blocks, Footer, Page Number, List, Block quotes, Subscript, Superscript	Text

Smart Table Extractor

Features

• Added support for converting PDF documents into Markdown content in Smart Table Extraction library.
• The following table outlines how table elements in PDF documents are preserved when converted to Markdown.

PDF Elements	How It Preserves in Markdown
Table	Table
Text Inline Styles	Bold and Italic

PDF Library

.NET PDF Library

Bug Fixes

• I825396 - Resolved a PDF/A compliance issue related to incorrect custom metadata schema definitions.

JavaScript PDF Library

Bug Fixes

• #I827506 - Fixed a return type mismatch error that caused a compile-time interface violation.
• #I824110 - Fixed an issue where signature position is not preserved correctly after flattening the signature.
• #I823316 - Fixed a performance issue when rendering PNG images in page graphics.
• #I818479 - Fixed an issue where the example code snippets missed for the properties and methods in documentation.
• #I825019 - Fixed an issue where combo box field color is not visible in chrome and edge browsers.

Excel Library

.NET Excel Library

Bug Fixes

• #I823278 - Fixed an issue where category axis label text was not being cropped correctly when exporting a chart to an image if the label text exceeded the plot area width
• Fixed an issue with AutoFill – FillWeekdays for multi-cell source ranges to ensure the correct weekday progression is preserved.

PDF Viewer

No changes

DOCX Editor

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

Bug Fixes

#I822335 - Inserting multi-line text between formatted paragraphs loses local formatting fixed.
#I816651 - Fixed incorrect paragraph line spacing for line breaks.
#I823166 - Hyperlinks missing fixed in table content.
#I821125 - Fixed text misalignment inside shapes compared to Microsoft Word.
#I816317 - File loading crash with infinite indicator stopped in document editor.
#I810631 - Now spinner shown while generating TOC.
#I820010 - Resolved the document become corrupted when exporting to DOCX.
#I808750 - Localization Issue DOCX editor in demo are fixed.

Blazor DOCX Editor

Bug Fixes

#I822335 - Inserting multi-line text between formatted paragraphs loses local formatting fixed.
#I816651 - Fixed incorrect paragraph line spacing for line breaks.
#I823166 - Hyperlinks missing fixed in table content.
#I821125 - Fixed text misalignment inside shapes compared to Microsoft Word.
#I816317 - File loading crash with infinite indicator stopped in document editor.
#I810631 - Now spinner shown while generating TOC.
#I820010 - Resolved the document become corrupted when exporting to DOCX.
#I808750 - Localization Issue DOCX editor in demo are fixed.

Spreadsheet Editor

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

Features

• #I802051 - Introduced support for custom function categories in the spreadsheet Insert Function dialog. Users can now create new categories, associate custom functions with them, and add category descriptions for better organization and discoverability.

Blazor Spreadsheet Editor

Bug Fixes

• #F198204 - Fixed an unhandled exception that occurred when dynamically updating the Blazor Spreadsheet data source with corrupted or zero byte Excel files.

Test Results

Component Name	Platform	Test Cases	Passed	Failed	Remarks
Calculate Library	.NET	145	145	0	All Passed
DOCX Editor	Blazor	1985	1985	0	All Passed
DOCX Editor	Web(Javascript, Angular, React, Vue, ASP.NET Core & MVC)	5215	5215	0	All Passed
Excel Library	.NET	37992	37992	0	All Passed
Metafile Renderer	.NET	897	897	0	All Passed
PDF Library	.NET	14035	14035	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	4130	4130	0	All Passed
Spreadsheet	Web(Javascript, Angular, React, Vue, ASP.NET Core & MVC)	10806	10806	0	All Passed
Spreadsheet	WPF	2716	2716	0	All Passed
Word Library	.NET	41018	41018	0	All Passed
Word Library	Java	4079	4079	0	All Passed