- Fix a v2.8.1 regression bug, auto filter does not work in the LibreOffice
- Fix a v2.8.1 regression bug, support to adjust data validation with multiple cell range
- Fix incorrect result data type of the DATE formula function
- Update the unit tests
- New conditional formatting types: text, blanks, no blanks, errors, and no errors
- Support calculate formula with multiple dash arithmetic symbol
- Fix empty calculate result with numeric arguments in LEN, LOWER, PROPER, REPT, UPPER, and IF formula functions
- Uniform double quote in calculation unit tests
- Update unit tests
- Improve compatibility for absolute path drawing part
- Fix incorrect table ID generated in the workbook which contains single table cells
- Fix missing relationship parts in the content types in some cases
- Upgrade number format parser to fix missing literal tokens in some cases
- Update built-in zh-cn and zh-tw language number format
- Ref #65, init new formula function: TEXT
- Remove duplicate style-related variables
- Update the unit tests
- Fix a v2.8.0 regression bug, number format code apply result was empty
- Fix calculate formula functions CHITEST and MMULT panic in some cases
- Updated unit tests
- Correction cell type when formatting date type cell value
- Add check for MID and MIDB formula functions num_chars arguments, prevent panic on specifying a negative number
- Ref #65, add support for 2 formula functions: SEARCH and SEARCHB
- Fix a v2.8.0 regression bug, error on set print area and print titles with built-in special defined name
- Add new exported function `GetPivotTables` for get pivot tables
- Add a new `Name` field in the `PivotTableOptions` to support specify pivot table name
- Using relative cell reference in the pivot table docs and unit tests
- Support adding slicer content type part internally
- Add new exported source relationship and namespace `NameSpaceSpreadSheetXR10`, `ContentTypeSlicer`, `ContentTypeSlicerCache`, and `SourceRelationshipSlicer`
- Add new exported extended URI `ExtURIPivotCacheDefinition`
- Fix formula argument wildcard match issues
- Update GitHub Actions configuration, test on Go 1.21.x with 1.21.1 and later
- Avoid corrupted workbooks generated by improving compatibility with internally indexed color styles
- Add support for 10 formula functions: ARRAYTOTEXT, FORECAST, FORECAST.LINEAR, FREQUENCY, INTERCEPT, ODDFYIELD, ODDLPRICE, ODDLYIELD, PROB and VALUETOTEXT
- Update unit tests
- Fix incorrect formula calculate results on a nested argument function which returns a numeric result
- Add a new exported error variable `ErrorFormControlValue`
- Rename exported enumeration `FormControlCheckbox` to `FormControlCheckBox`
- Rename exported enumeration `FormControlRadio` to `FormControlOptionButton`
- The `AddFormControl` function supports new 5 form controls: spin button, check box, group box, label, and scroll bar
- Update documentation for the `GraphicOptions` data type, `AddFormControl` and `NewStreamWriter` functions
- Update the unit tests
- Simplify and remove duplicate code for optimization
- Update documentation comments with typo fix
- Handle error return to save the workbook
- Add file path length limitation details in the error message
- Using formula error string in the result of the `CalcCellValue` function
- Using the error message in the `CalcCellValue` function returns error
- Update unit tests
- Support set and get font color with indexed color
- New export variable `IndexedColorMapping`
- Fix getting incorrect page margin settings when the margin is 0
- Update unit tests and comments typo fixes
- ref #65, new formula functions: AGGREGATE and SUBTOTAL
- Fix default number format parse issue with a long string of digits
- Fix creating a sheet with an empty name cause a corrupted file
- The `GetCellStyle` function no longer return master cell style of the merge cell range
- Using the specialized name in variables and functions
- Add export option `MaxCalcIterations` for specifies the maximum iterations for iterative calculation
- Update unit test for the database formula functions
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