GemBox.Spreadsheet 2025.12 Released

We have released a new version of GemBox.Spreadsheet with the following list of features, improvements, and fixes included:

• Fixed issue with data validations from extension list overriding existing ones in XLSX reader.
• Added support for CalculationOptions.CalculationMode in XLSB files.
• Improved performance of rendering images.
• Fixed issue with chart axes positioning and automatic scale calculation.
• Fixed issue with preserved VBA relationship in XLSX writer.
• Fixed issue with ExcelWorksheet.Clear not removing ExcelWorksheet.Tables.
• Fixed issue with calculating formulas that reference tables with external data.

You can download the latest version from NuGet or from the Downloads page.

If you have any questions, complaints, or suggestions, feel free to contact us.