Released: Sep 25, 2025

Updates in 8.2.2

Fixes

• File Upload cell values are lost during copy/paste or export, causing missing file names.
• Setting a data source can overwrite cell content and remove formulas.
• First update of BackgroundPicture width may be ignored after changing FontSize.
• Freeze Pane position shifts when file contains collapsed groups.
• Workbook.Calculate() may return errors if the calculation engine starts Off.
• Full-width "&" in Worksheet names change to half-width "&" in formulas after save/load.
• Upgrading can cause serious performance regression in Workbook calculation.
• Second Workbook calculation may produce incorrect results.
• PivotTable Slicers export incorrectly to PDF.
• Certain Excel templates may throw "Stack empty" exception.
• Inserting a row at the top can move Header Filter icons into the data row.
• Resaving Dynamic Array formulas may fill spill range with values and cause #SPILL!.