- Fix panic on read workbook with internal row element without r attribute
- Check worksheet XML before get all cell value by column or row
- 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
- Add export ChartLineType enumeration to specify the chart line type
- Add new Border field in the Chart type to set the chart area border
- Add new Type field in the ChartLine type to set the line type
- Fix some format missing on get style definition
- Update the unit tests
- Improve compatibility with the viewer which doesn't support default theme part namespace
- ref #1690, support read background color style, and conditional format with default pattern type
- Update the 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, generate workbook corruption caused by incorrect MRU colors style parts
- Fix corrupted workbooks generated when adding tables in some cases
- Added several exported extension list child element URI constants
- Move part of the internal constant and variables definition to the template source code file
- Updated 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
- Breaking changes, change the data type for the `HeaderFooterOptions` structure fields `AlignWithMargins` and `ScaleWithDoc` as a pointer
- Fixed panic on `AutoFilter` by adding nil pointer guard for local sheet ID
- Allow dot character in the defined name, table name, or pivot table name
- Update the 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