Added
- Methods to get style for row or column. PR #4317
- Method for duplicating worksheet in spreadsheet. PR #4315
Fixed
- Security patch for control characters in protocol.
- Ods Reader Sheet Names with Period. Issue #4311 PR #4313
- Mpdf and Tcpdf Hidden Columns and Merged Cells. Issue #4319 PR #4320
- Html Writer Allow mailto. Issue #4316 PR #4322
- Use composer/pcre rather than preg_* in Writer. PR #4323