Released: Jun 10, 2026

Updates in V26.6

Features

• Added support for long text exceeding 256 characters in formula.
• You can now preserve original data of calculation chain when re-saving a Workbook without changing cells data.
• You can now reconstruct long text concatenated by _LONGTEXT() function into single string parameter of formula.
• Enhance filed format detection for SVG and MOBI files.
• Added support for showing or hiding data type icons.
• Added support for reordering sheets in GridJs.
• Added left and right movement buttons to both...

Released: May 12, 2026

Updates in V26.5

Features

• Added new Workbook() with environment variables and default values.
• Added support for converting workbook to OFD (Open Fixed-layout Document).
• Added the ability to snap to cell boundaries in zoom in/out.
• Added an event to determine if transparent mode is currently active or inactive.
• Added support for multiple aggregations for GROUPBY function.
• Upgraded version of the referenced SkiaSharp to 3.119.0 for .NET 9/10 target framework.
• Provided a new method to set VerticalAxisMaxValueType...

Released: Apr 9, 2026

Updates in V26.4

Features

• Added support for calculating REGEXEXTRACT and REGEXREPLACE functions.
• Added the ability to expand a table when copying ranges.
• Added support for shifting formulas after inserting cut ranges.
• Added support for formatting a whole row or column of pivot table.
• Added support for exporting the label of a table column to an XLS file.
• You can now copy rich values from another workbook.

Fixes

• Final punctuation mark missing in the output PDF - Excel to PDF conversion,
• Failed to set font color...

Released: Mar 11, 2026

Updates in V26.3

Features

• Enhanced saving some advanced functions in formulas for XLSB.
• Added support for parsing legend tag when importing HTML.
• Added support for parsing label tag when importing HTML.
• Improved copying rich value to other workbooks.

Fixes

• Shape.FitToTextSize() method does not work precisely.
• When textParagraph.IsHangingPunctuation is True, the output PDF will have missing punctuation marks.
• The text height calculated by 'CalculateTextSize' did not exceed the text box, but the text overflowed...

Released: Feb 10, 2026

Updates in V26.2

Features

• Added support for getting python script from a cell that uses python formula.
• Users can now calculate defined LAMBDA function in custom calculation engine.
• Provided a specific assembly for .NET 4.8.
• Added support for ODF 1.4.
• Added support for whether to include table names when importing Numbers.
• Added support for the translate feature in collaborative mode.
• Added support for setting text for general shape.
• Added support for merge across.
• Added support for the merge and center feature...

Released: Jan 13, 2026

Updates in V26.1

Features

• Added support of custom sorting for left to right.
• Added a setting for Bubble Charts in GridJs UI.
• Added a format painter.
• Added a setting for Radar Charts in GridJs.
• Added a setting for Box Plot Charts in GridJs UI.
• Added a setting for Funnel Charts in GridJs.
• Enhanced refreshing slicers with pivot table data source.
• Added defensive checks for abnormal dimensions/shapes to prevent rendering issues.
• Optimized the UI of the Insert Image toolbar and its popup dialog.

Fixes

• The highlighted...

Released: Dec 10, 2025

Updates in V25.12

Features

• Added API for importing LaTeX format strings in Aspose equation objects.
• Added support for exporting charts to Numbers.
• Removed the special exception of SkipCalculation() for user's custom engine.
• Added support for public API to get data values from chart.
• Added support for converting cell area to pivot area setting list.
• Added support for obtaining full external URL/link with path.

Fixes

• Remove bookmark when exporting a named range to HTML.
• Issue with shapes rendering and formatting in...

Released: Nov 11, 2025

Updates in V25.11

Features

• Added a check to prevent deletion of partial table including the header.
• Added a check to prevent setting the name of one existing defined name to another Table.
• Added support for copying pivot tables when copying a range.
• Added support for duplicated worksheet names for "DetailSheetNewName" parameter of smart marker.
• Added support for exporting editable textboxes and shapes to PPTX.
• Added support for custom properties of worksheet in XLSB files.
• Added support for removing AutoFilter of...

Released: Oct 11, 2025

Updates in V25.10

Features

• Provided an option to determine how to output significant digits for numeric values.
• Added support for processing exported cell with custom ExportTableOptions when ExportAsString is true.
• Added support for parsing datetime with calendar of Japanese Emperor Reign.
• Added support for refreshing dynamic array formulas by default when calculating formulas for Workbook.
• Improved compatibility with PdfBox library for the generated PDF file while converting to PDF.
• Added support for calculating...

Released: Sep 10, 2025

Updates in V25.9

Features

• Added support for WRAPCOLS and WRAPROWS functions.
• Added support for font Variation Selectors while converting to XPS.
• Added support for font Variation Selectors while converting to SVG with embedded font.
• Added support for embedding fonts when converting file to HTML.
• Added support for FlatOPC file format.
• Added support for converting chart to FlapOPC without table tags.
• Added support for editable charts to PPTX file.
• Added support for pattern settings.
• Made research data structure...