# 2020 v3

Blazor Edition provides a set of native UI controls built for Blazor such as FlexGrid, Chart, ListView, and input controls including AutoComplete and ComboBox.

## Content



### Core

#### Breaking changes

*   C1BitmapIcon.ShowAsMonochrome default value now is false.

#### Bug fix

*   Fixed the issue where ViewportChanged event of C1ScrollViewer was raised after the component was disposed.

### Chart

#### Improvements

*   _[WPF\][Blazor\]_ Header labels for horizontal TreeMap are rotated to fit available space.
*   FlexChart - added support of multiple chart axes.
*   FlexChart - added support of multiple plot areas.
*   FlexChart - added support of legend toggle (show/hide series clicking on legend).
*   Added support of data element selection.
*   Added support of tooltips.
*   Added New charting controls: FlexRadar, Sunburst, TreeMap.
*   Added series-based extensions: TrendLine, BoxWhisker, ErrorBar, Waterfall, Histogram and RangedHistogram.

### Grid

#### Breaking changes

*   Removed GridDetailsRow.DataItem setter and added DataSource property.

#### Improvements

*   UI Virtualization improved to overcome Chrome limit of 1000 rows.
*   FlexGridDetailBehavior.DetailLoading event added.
*   Provided support for column selection mode.
*   Added GridNumericColumn.

#### Bug fixes

*   Fixed the issue where cells were not unbound correctly when changing the CellFactory at runtime.
*   Fixed the issue where grid was not refreshing when a Replace notification was raised from source and the Equals of the data item determined the replaced item were equal to the edited item.
*   Performance issue fixed when setting a source not implementing IReadOnlyList in GridColumn.DataMap.ItemsSource.
*   Fixed the issue where when binding a column to a property-path containing an indexer (square bracket) the setter functions were not working properly and the edited values were not persisted.
*   Fixed the issue where FullTextFilterBehavior was causing the cells of GridImageColumn to be rendered as text.
*   Fixed the issue where GridLinesColor/BackgroundColor does not take effect.
*   Fixed the issue where Row-edit events were not working.
*   Fixed the issue where IEditableObject.EditEnd() was being called before ReplaceAsync of the data collection incorrectly.

### Input

#### Bug fixes

*   Fixed the issue where dropdown part does not close when pressing 'Esc/Enter' key if 'IsDropDownOpen' property is set 'true'.
*   Fixed the issue where dropdown portion is shown away from text area after resizing the page and scrolling the scrollbar.