Released: Jun 10, 2026

Updates in V26.6

Funktionen

• 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 sides of the scrollbar.
• Optimized date picker component.
• Added configurable default view month and selectable date range limits.
• Added min and max selectable date limits.
• Added separate year, month, and Today navigation controls.
• Added a patch for formula engine to calculate XLOOKUP with large data set in the same way with MS Excel.
• Added support for setting how the application displays shapes in this workbook.
• Added a configuration item to locate to the last row after batch inserting rows.

Fehlerkorrekturen

• Opening the Excel scroll bar cannot scroll to the corresponding cell selection position.
• Incorrect paragraph numbering in text boxes during PDF conversion.
• ISOWEEKNUM formula/function returns 53 for Dec 29–31, 2025 - should return 1 per ISO 8601.
• "#VALUE!" error on Workbook.CalculateFormula method during PDF rendering.
• Some formulas with LETL/LAMBDA functions were not calculated correctly.
• Aggregation function name was prefixed with "_xleta." for Cell.Formula.
• Formulas with combination of FILTER/SORT/UNIQUE functions were calculated incorrectly.
• Incorrect diagram legend and layout issues on Workbook.Save() method.
• Missing label on X-Axis in generated SVG in .NET 8.
• EMF rendering result changes after calling FontConfigs.IsFontAvailable with Mars Centra fonts.
• Bubble chart to image is displayed incompletely.
• [Skia] Vertical red lines are missing.
• [Skia] The lines inside the table have become thicker.
• Text is moved down while rendering to image by SheetRender.
• PivotTable formatting is lost after calling RefreshData() and CalculateData().
• ListColumn.Name rewrites cross-sheet structured references after Cells.InsertColumn.
• Regression: Formulas copied incorrectly when copying tables.
• Handle block comments of power query formulas improperly.
• Incorrect rendering of Excel charts and symbols to image.
• Generated XLSB file with advanced slicer was corrupted.
• Error occurs when pasting a cell that exceeds the maximum displayed rows.
• Display and editing of percentage format data are inconsistent with Excel.
• Edge scroll misfires and lingering timers cause auto rollback click jitter and post revert scroll state corruption.
• Batch insert submit triggers on mousedown with deduplication to eliminate occasional double click insert failures.
• Batch insert bar follows below the last row and reserves bottom scroll space to prevent fixed positioning and overlap with final rows.
• Pasted cells in unlocked protected-sheet regions are incorrectly locked.
• [Shape] excel2html error report: NullReferenceException.
• [Shape] excel2html error report: InvalidCastException.
• [Chart] excel2html error report: NullReferenceException.
• NullReferenceException when converting pivot tables to HTML.