Telerik UI for .NET MAUI

Release History

Telerik UI for .NET MAUI (version 5.1.0)

March 15, 2023

What's New

  • Updated to .Net Maui 6.0.552 (for .Net6) and 7.0.59 (for .Net7).


  • [WinUI][MacCatalyst] Added default mouse over state for suggestion items.


  • [Android] [WinUI] Background is not applied.
  • HorizontalContentAlignment does not work consistently on different platforms.
  • Prevent multiple updates of Background that could affect the performance of the control.
  • [Android] BackgroundImage and rounded corners appear blurry and pixelated.


  • Exception when setting only the PaletteEntry FillColor.
  • [Android] DateTimeAxis does not display data with Мilliseconds step unit.
  • [iOS] [MacCatalyst] Plot Band annotation does not apply on DateTime axis and throws an exception.
  • [Android] Exception when removing the app from the backstack and then reopening it.


  • [MacCatalyst] Improved control's mouse over style.
  • [MacCatalyst] ComboBox content is still visible when openning other examples.
  • [MacCatalyst] Reduced the extra space between the text and the X button.
  • Custom ItemTemplate and SelectedItemTemplate are not applied when set runtime.
  • [Android] DropDown does not measure properly.
  • [Android] [MacCatalyst] The token item's text is not centred when the control is unfocused (the clear button is no longer visible).


  • Missing Telerik.Documents.Fixed.FormatProviders.Image.Skia package reference.


  • Methods to validate, commit and cancel pending changes manually for a specific property.
  • Added support for programmatic editor generation.
  • Added HasPendingChanges and HasValidationErrors properties. Added ValidationCompleted events on form and editor level.
  • Added support for the BrowsableAttribute and the ScaffoldColumnAttribute for ignoring properties from the model.
  • Added support for custom editors.
  • Added support for additional formatting attributes - DisplayNameAttribute, DescriptionAttribute, CategoryAttribute, ReadOnlyAttribute, DisplayFormatAttribute.
  • Added form and editor validation notification events.


  • Added BorderBrush and BorderThickness properties.
  • Updated the Filtering UI descriptor and logical operators to be represented by combo boxes instead of list pickers.
  • Add ability to bind DataTable or DataView.
  • [Android] Filtering through the distinct values of the UI works only the first time.
  • Selected Style is not applied when selected item is initially set.
  • Data is not displayed in a custom scenario with Range collection.
  • GroupHeader's Text does not wrap when the width of the header is smaller than the text length.
  • [MacCatalyst] Property Aggregator Descriptor incorrect placement.
  • CellContentTemplate content does not get updated when using RadHighlightLabel to highlight the text in the cell.
  • Column header text does not respect the font's baseline causing misalignment.
  • [WinUI] The default edit template of the control's NumericalColumn seems odd.
  • The DistinctValuesFilterView items are incorrectly sized when the FilterControl is re-opened.


  • [Android] Cannot enter comma for decimal separator, only dot.


  • [WinUI] [MacCatalyst] Implemented zoom commands in the ImageEditor and the ImageEditorToolbar.
  • Improved Crop interaction in Image Editor for Desktop.
  • [MacCatalyst] Ok and Cancel buttons cannot be clicked after resizing the crop selection
  • Scroll position not updated after resize.


  • [MacCatalyst] The mouse stays captured after moving the map.


  • Introduced a new Keyboard property that allows setting the keyboard type on mobile devices.
  • [Windows] Binding IsReadOnly did not work.


  • Introduced handling for import of documents with invalid offsets of the objects inside the cross-reference table.
  • Introduced handling for import of documents with invalid offsets of the objects inside the cross-reference stream.
  • Introduced a setting that allows exporting images with or without compression.
  • Introduced handling mechanism for import of documents containing indirect objects with no endobj keyword.
  • Introduced the ability to print secured documents.
  • A CryptographicException is thrown when saving with PdfStreamWriter or importing with PdfFormatProvider.
  • Signing documents with a signature field produces documents that lead to errors in Adobe Acrobat.
  • A specific scanned file is not displayed with the new model.
  • Some Image XObjects are imported but not displayed in PdfViewer.
  • Images inside Form XObject are not positioned correctly.
  • A NullReferenceException is thrown when parsing Type1 font without Private Dict.
  • An InvalidCastException is thrown when importing a document containing Byte order marks (BOM) at the beginning of the file.
  • Endless loop when importing a document containing an EI keyword within the image stream.
  • An InvalidCastException is thrown when importing a document containing an Indirect Reference keyword (R) within an image data.
  • Wrong matrix calculations lead to incorrect image (Form XObject) size.
  • An InvalidCastException is thrown when importing Interactive Forms which leads to non-editable fields.
  • An ArgumentException is thrown when the font box contains negative width or height.
  • Field values are lost on import-export using the PdfFormatProvider.
  • Missing content when converting a specific PDF to images.
  • Wrong matrix calculations lead to incorrect image (Form XObject) during export.
  • The image stream embedded in a content stream is not compressed while exporting.
  • A large image is rendered slowly, and the memory consumption is huge.
  • А NotSupportedException is thrown when the imported document contains font with embedded CMap table with format 0.
  • Not correct cross-reference table processed when importing documents with more than one table without Prev table specified.
  • An InvalidCastException is thrown when reading a page with specific image data.
  • Images are decompressed during import/export which result in significantly larger files.
  • The import freezes due to a lot of checks in the HandleInvalidClippingPathOperatorPosition method.


  • [Android] Reduced the default height of the control to 36 device pixels.


  • ComboBox is still editable inside the control even IsEditable is set to false.
  • [Android] Does not fill into the page height and width when project targets .NET 7.


  • The sender of StrokeStarted, StrokeCompleted and Cleared events is not of type RadSignaturePad.


  • An InvalidCastException is thrown on import when a drawing in a document contains the ext tag.
  • A NullReferenceException when the document contains paragraph elements with no text.
  • Conditional formatting with formula rule is evaluated incorrectly.
  • COUNTIF function throws exception if the criteria is for finding non-blank cells.


  • Provide API that allows retrieving of the cached formula value.
  • Rows import stops after reading a formula cell.


  • Content of the hidden and disabled items is still visible.


  • Toolbar still accepts user interaction when IsEnabled is set to false.
  • Reduced the flicker during navigation.
  • [MacCatalyst] SplitButton not resized correctly after selecting an option from the drop-down menu.
  • [iOS] [MacOS] Changing the OverflowMode dynamically causes the control to display with an incorrect size.


  • An ArgumentException when importing a document and the culture is set to sv-SE.
  • Exception when parsing various values with the FractionalValueConverter.
  • An InvalidOperationException (Sequence contains no elements) when updating the TOC field in a document.
  • NETStandard: ArgumentOutOfRangeException is thrown when a document contains a table cell with a negative height.
  • Importing a TOC field with /t switch causes an IndexOutOfRangeException.
  • Table Of Contents (TOC) is populated with additional elements.


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