Essential Studio for Windows Forms Release Notes

v30.2.6
August 19, 2025
Test Results: 156354 Success , 0 Failure

Calculate

Bug Fixes

  • #I752258 - Now, the TEXTJOIN function processes array-formatted string values correctly within CalcEngine, producing accurate and expected results.

  • #I752534 - Now, the CONCAT function accurately computes and preserves decimal values, even when nested formulas are involved in CalcEngine.

  • #I752186 - Now, CalcEngine accurately computes and returns results during Excel to PDF conversion, even when executed across multiple threads with culture-specific settings.

DocIO

Bug Fixes

  • I752373 - Exif format of an image is now preserved properly while resaving the word document.
  • I752717 - The ArgumentException will no longer be thrown while parsing a Word document with duplicate styles.
  • I752683 - Embedded OLEObject size is now preserved properly after opening and closing the embedded file in the resaved document.
  • I751573 - The ArgumentOutOfRangeException will no longer be thrown while converting a Word document to PDF.
  • I757225 - ‘OCR A Extended’ font is now preserved properly while converting a Word document to PDF.

PDF

Bug Fixes

  • I746369 - Resolved an issue where PDF/A-1B conversion was not performed correctly according to the specification.

Presentation

No Changes for this product in this version.

XlsIO

Bug Fixes

-#I754696 - Hyperlink count is now correctly updated during range sorting operations.
-#I757319 - Resolved an issue where removing an empty worksheet with only a row height update could result in an infinite loop.
-#I754816 - Custom filters working properly when conditions are reassigned.
-#I753908 - The associated VBA sheet object is properly removed when a worksheet is deleted using the IWorksheet.Remove() method.
-#I750554 - Image size is calculated correctly when it has high DPI settings.
-#I751199 - The IRange.Value property retains true or false values when the number format is set to the “@” symbol.
-#I752175 - Exception no longer occurs when opening an Excel document with duplicate palette colors
-#I753609 - Textbox content is rendered properly when transparency is applied during Excel to PDF conversion.

Test Results

Component Name Test Cases Passed Failed Remarks
Calculate 131 131 0 All Passed
CheckBoxAdv 124 124 0 All Passed
CombinedControls 293 293 0 All Passed
ComboBoxAdv 332 332 0 All Passed
DockingManager 1656 1656 0 All Passed
EditControl 351 351 0 All Passed
PivotGridControl 168 168 0 All Passed
RibbonControlAdv 1432 1432 0 All Passed
SfDataGrid 855 855 0 All Passed
TabbedMdiManager 478 478 0 All Passed
TabControlAdv 722 722 0 All Passed
TreeViewAdv 445 445 0 All Passed
DocIO 39822 39822 0 All Passed
PDF 14453 14453 0 All Passed
Presentation 50985 50985 0 All Passed
XlsIO 44107 44107 0 All Passed