1.1.0

Added

• Support for PHP 7.2
• Support cell comments in HTML writer and reader - #308
• Option to stop at a conditional styling, if it matches (only XLSX format) - #292
• Support for line width for data series when rendering Xlsx - #329

Fixed

• Better auto-detection of CSV separators - #305
• Support for shape style ending with ; - #304
• Freeze Panes takes wrong coordinates for XLSX - #322
• COLUMNS and ROWS functions crashed in some cases - #336
• Support XML file without styles - #331
• Cell coordinates which are already a range cause an exception #319

1.0.0

Added

• Support to write merged cells in ODS format - #287
• Able to set the topLeftCell in freeze panes - #261
• Support DateTimeImmutable as cell value
• Support migration of prefixed classes

Fixed

• Can read very small HTML files - #194
• Written DataValidation was corrupted - #290
• Date format compatible with both LibreOffice and Excel - #298

BREAKING CHANGE

• Constant TYPE_DOUGHTNUTCHART is now TYPE_DOUGHNUTCHART.

           *             ,
                       _/^\_
                      <     >
     *                 /.-.\         *
              *        `/&\`                   *
                      ,@.*;@,
                     /_o.I %_\    *
        *           (`'--:o(_@;
                   /`;--.,__ `')             *
                  ;@`o % O,*`'`&\
            *    (`'--)_@ ;o %'()\      *
                 /`;--._`''--._O'@;
                /&*,()~o`;-.,_ `""`)
     *          /`,@ ;+& () o*`;-';\
               (`""--.,_0 +% @' &()\
               /-.,_    ``''--....-'`)  *
          *    /@%;o`:;'--,.__   __.'\
              ;*,&(); @ % &^;~`"`o;@();         *
              /(); o^~; & ().o@*&`;&%O\
              `"="==""==,,,.,="=="==="`
           __.----.(\-''#####---...___...-----._
         '`         \)_`"""""`
                 .--' ')
               o(  )_-\
                 `"""` `

1.0.0-beta2

Added

• Support for chart fill color - @CrazyBite #158
• Support for read Hyperlink for xml - @GreatHumorist #223
• Support for cell value validation according to data validation rules - @SailorMax #257
• Support for custom implementation, or configuration, of PDF libraries - @SailorMax #266

Changed

• Merge data-validations to reduce written worksheet size - @billblume #131
• Throws exception if a XML file is invalid - @GreatHumorist #222
• Upgrade to mPDF 7.0+ - #144

Fixed

• Control characters in cell values are automatically escaped - #212
• Prevent color changing when copy/pasting xls files written by PhpSpreadsheet to another file - @al-lala #218
• Add cell reference automatic when there is no cell reference('r' attribute) in Xlsx file. - @GreatHumorist #225 Refer to issue#201
• Reader\Xlsx::getFromZipArchive() function return false if the zip entry could not be located. - @anton-harvey #268

BREAKING CHANGE

• Extracted coordinate method to dedicate class migration guide.
• Column indexes are based on 1, see the migration guide.
• Standardization of array keys used for style, see the migration guide.
• Easier usage of PDF writers, and other custom readers and writers, see the migration guide.
• Easier usage of chart renderers, see the migration guide.
• Rename a few more classes to keep them in their related namespaces:
  • CalcEngine => Calculation\Engine
  • PhpSpreadsheet\Calculation => PhpSpreadsheet\Calculation\Calculation
  • PhpSpreadsheet\Cell => PhpSpreadsheet\Cell\Cell
  • PhpSpreadsheet\Chart => PhpSpreadsheet\Chart\Chart
  • PhpSpreadsheet\RichText => PhpSpreadsheet\RichText\RichText
  • PhpSpreadsheet\Style => PhpSpreadsheet\Style\Style
  • PhpSpreadsheet\Worksheet => PhpSpreadsheet\Worksheet\Worksheet

1.0.0-beta

Added

• Initial implementation of SUMIFS() function
• Additional codepages
• MemoryDrawing not working in HTML writer #808
• CSV Reader can auto-detect the separator used in file #141
• HTML Reader supports some basic inline styles #180

Changed

• Start following SemVer properly.

Fixed

• Fix to getCell() method when cell reference includes a worksheet reference - @MarkBaker
• Ignore inlineStr type if formula element exists - @ncrypthic #570
• Excel 2007 Reader freezes because of conditional formatting - @rentalhost #575
• Readers will now parse files containing worksheet titles over 31 characters #176

General

• Whitespace after toRichTextObject() - @MarkBaker #554
• Optimize vlookup() sort - @umpirsky #548
• c:max and c:min elements shall NOT be inside c:orientation elements - @vitalyrepin #869
• Implement actual timezone adjustment into PHPExcel_Shared_Date::PHPToExcel - @sim642 #489

BREAKING CHANGE

• Introduction of namespaces for all classes, eg: PHPExcel_Calculation_Functions becomes PhpOffice\PhpSpreadsheet\Calculation\Functions
• Some classes were renamed for clarity and/or consistency:

For a comprehensive list of all class changes, and a semi-automated migration path, read the migration guide.

• Dropped PHPExcel_Calculation_Functions::VERSION(). Composer or git should be used to know the version.
• Dropped PHPExcel_Settings::setPdfRenderer() and PHPExcel_Settings::setPdfRenderer(). Composer should be used to autoload PDF libs.
• Dropped support for HHVM