# Release Notes for Version 1.20131.RC1

## Content

# Enhancements from the Previous Release

rowFilter

* Changed Sheet.rowFilter field to sheet.rowFilter(value) function.
* Changed $.wijmo.wijspread.HideRowFilter(sheet,cellrange) to $.wijmo.wijspread.HideRowFilter(cellrange).
* Changed $.wijmo.wijspread.RowFilterBase(sheet,cellrange) to $.wijmo.wijspread.RowFilterBase(cellrange).

autoFitColumn

* Added Sheet.autoFitColumn(col) function.

autoFitRow

* Added sheet.autoFitRow(row) function.

knockoutJS

* Enhanced support for knockout, added "wijspread" ko binding key.

Behavior

* Enhanced the RowFilterBase.filter(col) and RowFilterBase.unfilter(col) method, so when you invoke these methods with no parameter, it uses the filter or unfilter all column.
* Fixed issue where formulas had no effect after sort, copy, or paste.

Appearance

* Fixed an issue with header cells which had a span, in which the hover status was incorrect.
* Enhanced filter dialog UI.

Performance

* Enhanced the selection, navigation, and dragfill performance.