We are pleased to announce the release of version 2.7.1. Featured are a handful of new areas of functionality and numerous bug fixes.

A summary of changes is available in the Release Notes. A full list of changes is available in the changelog.

Release Notes

The most notable changes in this release are:

Breaking Change

• Remove the Color field in the ChartLine data type
• Replace the data type ShapeParagraph with RichTextRun
• Remove the Color field from the type Shape, and uses the Fill instead of it
• Remove the exported type AutoFilterListOptions
• Rename the exported type TableOptions to Table
• The AddChart function require using ChartType enumeration value to specify the chart type
• Change 7 functions signature:
  • Change the func (f *File) AutoFilter(sheet, rangeRef string, opts *AutoFilterOptions) error to func (f *File) AutoFilter(sheet, rangeRef string, opts []AutoFilterOptions) error
  • Change the func (f *File) AddPictureFromBytes(sheet, cell, name, extension string, file []byte, opts *GraphicOptions) error to func (f *File) AddPictureFromBytes(sheet, cell string, pic *Picture) error
  • Change the func (f *File) GetPicture(sheet, cell string) (string, []byte, error) to func (f *File) GetPictures(sheet, cell string) ([]Picture, error)
  • Change the func (f *File) AddVBAProject(bin string) error to func (f *File) AddVBAProject(file []byte) error
  • Change the func (f *File) GetComments() (map[string][]Comment, error) to func (f *File) GetComments(sheet string) ([]Comment, error)
  • Change the func (f *File) AddTable(sheet, rangeRef string, opts *TableOptions) error to func (f *File) AddTable(sheet string, table *Table) error
  • Change the func (sw *StreamWriter) AddTable(rangeRef string, opts *TableOptions) error to func (sw *StreamWriter) AddTable(table *Table) error

Notable Features

• Add new functions SetSheetDimension and GetSheetDimension for workbook dimension supports, related issue #1463
• The NewStyle function support to create of 17 kinds of fill variants styles
• Increase max cell styles limit to 65430
• The AddPicture function allowing insert BMP format images
• The GetPictures function support to get multiple images in a cell
• The SetConditionalFormat function support to creating a conditional format with a "stop if true" or "icon sets" rule
• The SetConditionalFormat function support to set border color and create solid color for the color data bar, related issue #1462
• The AddChart function support to set the format for the chart data series solid fill, related issue #1474
• The AddChart function support to set the bubble size in a data series
• The AddChart function support to specifies the values in second plot for the bar/pie of pie chart
• The AddChart function support to set number format for chart data labels and axis, related issue #1499
• The AddTable function support to specify if show header row of the table when create the table
• The AddTable function support to validate table name, and added a new error constant ErrTableNameLength, related issue #1468
• The AutoFilter function support to add multiple filter columns when create auto filter
• The CalcCellValue function support to specify if applying number format style for the cell calculation result
• The CalcCellValue function support double-byte chars for formula functions: LEFT, LEN, LENB, MID, MIDB, RIGHT and RIGHTB, related issue #1476
• The CalcCellValue function now returns formula error string in the result, and using the error message in returns error, related issue #1490
• Case-insensitive for the image file extension name, related issue #1503
• The stream writer will be skip set cell value when got nil value, related issue #756
• The GetCellHyperLink function support get cell hyperlink for merged cells
• Add new exported data type ChartType for represents chart type enumeration

Improve the Compatibility

• Add support for workbook function groups
• Add support for strict theme namespace, related issue #1447
• Fix panic caused by the workbook relationship part not exist
• Improve compatibility with SST index which contains blank characters, related issue #1508

Bug Fixes

• Fix decimal number format round issue in some cases
• Fix incorrect cell type when modifying string cell with the time number, resolve issue #1464
• Fix cell resolver caused incorrect calculation result, resolve issue #1469
• Fix conditional format data bar min/max value doesn't work, resolve issue #1492
• Supports 0 row height and column width, resolve issue #1461

Performance

• Improve performance for apply number format with month name, related issue #1455
• Speed up for checking merged cells, related issue #1448

Miscellaneous

• A pure WebAssembly / Javascript port of Go Excelize library named excelize-wasm NPM package has been production-ready use
• The dependencies module has been updated
• Unit tests and godoc updated
• Using the specialized name in variables and functions
• Documentation website with multilingual: Arabic, German, Spanish, English, French, Russian, Chinese, Japanese, and Korean, which has been updated

Thank you

Thanks for all the contributors to Excelize. Below is a list of contributors that have code contributions in this version:

• @liron-l (Liron Levin)
• @nathj07 (Nathan Davies)
• @Josh-Weston (Josh Weston)
• @jaby
• @FlowingSPDG (Shugo Kawamura)
• @barismar (Baris Mar Aziz)
• @doingNobb (张涛)
• @rpoetrap (Rizki Putra)
• @huangshaokun
• @CHANTXU64 (ChantXu64)
• @playGitboy