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