Excelize is a library written in pure Go providing a set of functions that allow you to write to and read from XLSX / XLSM / XLTM files. Supports reading and writing spreadsheet documents generated by Microsoft Excel™ 2007 and later. Supports complex components by high compatibility, and provided streaming API for generating or reading data from a worksheet with huge amounts of data.

GitHub: github.com/xuri/excelize

We are pleased to announce the release of version 2.4.1. 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:

Compatibility

Change Go Modules import path to github.com/xuri/excelize/v2

Notable Features

• Support set column width in streaming mode, related issue #625
• Support merge cell in streaming mode, related issue #826
• New support 2 formula functions: BESSELK, BESSELY
• The formula calculation engine now supports defined name references
• Add disable option for chart xAxis and yAxis
• The function AddPivotTable support reference source data range by defined name, relate issue #856
• The following function now is concurrency safety, relate issue #861
  • AddPicture and GetPicture concurrency insert or get the picture from the worksheet
  • Rows and Cols concurrency iterate rows and columns
  • SetSheetRow concurrency set cells for a row in the worksheet
  • SetCellStyle concurrency set cell style
  • NewStyle concurrency create the style
• Export 24 function's error message

Improve the Compatibility

• Improves compatibility for default XML namespace attributes, fix generated corrupted file in some case
• Improves compatibility with non-standard page setup attributes, fix open spreadsheet failed in some case
• Add count attribute in shared strings table
• Remove UTC timezone requirement when setting cell value with time, related issue #409
• Improves compatibility with XML control character in the escape literal string
• Rename exported field File.XLSX to File.Pkg
• Change the sheet names are not case sensitive for NewSheet, GetSheetIndex, DeleteSheet, resolve issue #873
• Fix missing pivot attribute of conditional formatting, resolve issue #883
• Improvement compatibility with invalid first-page number attribute in the page layout
• Add maximum character limit and fix missing preserve character for SetCellRichText

Bug Fixes

• Fix 12/24 hours time format parsing error, resolve issue #823 and #841
• Fix can't get comments by GetComments in some case, resolve issue #825
• Fix issue when get and add comments on multi authors, resolve issue #829 and #830
• Fix invalid file path and duplicate namespace when re-creating worksheet, resolve issue #834
• Fix set outline attributes not work when the value of showOutlineSymbols, summaryBelow and summaryRight attributes are false
• Avoid empty rows in the tail of the worksheet by GetRows, resolve issue #842
• Fix missing formula cell when getting rows value, resolve issue #855
• Fix comparison fails inside and outside IF function, resolve issue #858
• Fix GetRowHeight actually get the height of the next row
• Fix incorrect scope when getting and delete the defined name, resolve issue #879
• Attribute LocalSheetID in the defined name should be equal to SheetIndex instead of SheetID
• Fix missing set each cell's styles when set columns style, resolve issue #467
• Prevent panic when an incorrect range is provided as PivotTableRange on creating a pivot table
• Fix reading decimals precision issue, resolve issue #848 and #852
• Escape XML character in the drop list, avoid corrupted file generated, resolve issue #971
• Fix incorrect character count limit in the drop list, resolve issue #972
• Fix high CPU usage on reading cell value with number format caused by Excel time parse issue in some case, resolve issue #974
• Fix month parsing error in custom number format in some cases

Performance

• Reduce redundant memory on Save and SaveAs about 19%

Miscellaneous

• Fix code security issue CWE-190 and CWE-681
• The dependencies module has been updated
• Unit tests and godoc updated
• Use GitHub Action for unit testing
• Documentation website with multilingual: Arabic, German, Spanish, English, French, Russian, Chinese, Japanese, and Korean, which has been updated