Release History

Telerik UI for .NET MAUI (version 5.2.0)

June 7, 2023

What's New

NEW

• Added SlideView - a control that allows different views to be slided onto the main area through interaction.
• Added Conversational UI (Chat) - a UI component that enables easy implementation of conversational UI in MAUI applications, whether by utilizing a certain chatbot framework, following a predefined logical tree or just integrating peer-to-peer chat capabilities.
• Added PdfViewer - a control that enables you to easily load and display PDF documents natively in .NET MAUI applications.
• Added TreeView - a control that facilitates the display, and management, and navigation of hierarchical data structures. The component comes with many advanced features - data binding, checkbox support, etc.
• Added RichTextEditor - a control that enables users to create rich textual content through a What-You-See-Is-What-You-Get (WYSIWYG) interface through a set of tools for creating, editing, and formatting of text, paragraphs, lists, hyperlinks and more.
• Added Calendar - an advanced date input control that allows single, multiple or range date selection as well as displaying dates in different views.

BusyIndicator

FIXED

• Bindings in the BusyContent are not working.

Chart

FIXED

• [Android] A NullReferenceException is thrown when getting the selected data points during SelectionChanged.

CheckBox

NEW

• Added support for disabling the animations during state transitions.

ComboBox

NEW

• Added DropDownWidth property.

FIXED

• [WinUI] [MacCatalyst] The DropDown area is not measuring correctly and is allocating more space than intended.

DataGrid

NEW

• Automatically generate DataGridTimeColumn for TimeSpan properties.
• Introduce SortDirection and IsFiltered read-only properties for DataGridColumn. Mark OptionsTapContext as obsolete.
• Introduce EmptyContentTemplate and EmptyContentDisplayMode properties to define and control the view shown when the grid is empty.

FIXED

• DataGrid stays in memory after leaving the page.
• TemplateColumn is not initially grouped when GroupDescriptor is applied.
• TemplateColumn is not initially sorted when SortDescriptor is applied.
• Custom fonts are not respected in header, cell text styles.
• Some languages are not properly rendered by SkiaSharp elements.
• App built for Release crashes on an M1 machine.

Entry

FIXED

• [Android] There is a line through the center of the path geometry of the clear button icon on Android 9.0.
• [iOS] [MacCatalyst] IsReadOnly could not be changed dynamically when the initial value is set to True.

ListView

FIXED

• [WinUI] A BindingExpression path error is displayed in the output regarding the HandleIconPath property of the items.
• [Android] Memory leak when the ItemsSource has changed

MaskedEntry

FIXED

• [Android] Exception was thrown when using AddSingleton approach in a Shell app.

PdfProcessing

NEW

• Handled invalid /NULL name encoding for Type1 and TrueType fonts.
• Introduced an option to replace the predefined Standard Fonts.
• Introduced public API for setting default stream compression when exporting PDF files.
• Introduced setting in PdfStreamWriter that allows exporting images with no compression.
• Introduced export for standard fonts with custom encoding.

FIXED

• An EndOfStreamException is thrown when importing a document with startxref pointing to the end of the document.
• ImageUtils: MissingMethodException is thrown when using a bigger than 2.0 ImageSharp version.
• The CalGray color space properties are not correctly exported in an array.
• Slow import of documents containing Shadings Pattern and ICCBased ColorSpace.
• IOException is thrown when an object in the cross-reference stream has a negative offset.
• Errors are thrown when validating signed PDF files with VeraPdf and other validators.
• Wrong rendering of glyphs with a specific Type1 font.
• The position of unsupported annotation is not calculated as expected when its bounding box starts from a position different than 0.
• Spaces are displayed as rectangles for some TrueType fonts.
• Some glyph geometries from Type1 fonts are not rendered correctly.
• Glyphs are rendered with different font when trying to create Block with ZapfDingbats.
• An ArgumentException is thrown when importing .notdef glyph.
• Wrongly parsed document content when the indirect object contains more spaces between object number and generation number.
• Wrong encoding is used when the PDF file contains font with custom encoding.
• Some operators cannot be correctly parsed which causes incomplete import.
• Setting a filter on a mask results in an invalid file when exporting.
• A KeyNotFoundException is thrown when there is a symbolic font with predefined encoding.
• A KeyNotFoundException exception is thrown when there are missing characters in the document.
• А KeyNotFoundException exception is thrown with MacintoshNonSymbolic platform type and WinAnsiEncoding.
• An InvalidCastException is thrown when importing documents where the endobj keyword is not on a new line.
• Generated PDF files are not PDF/A compliant according to some validation tools.
• Encrypted Hex strings in Bookmark titles are not decrypted on import.
• Documents exported with cross-reference stream are invalid.
• An ArgumentException is thrown when trying to clone a document containing SignatureField.
• An ArgumentException is thrown when importing .notdef glyph.
• Applying a wrong default image compression filter leads to a broken PDF file.

CHANGED

• Introduced a new default implementation for the ImageUtils` JpegImageConverter and ImagePropertiesResolver based on the SkiaSharp library.

Popup

FIXED

• The position and size of the popup are not updated when the Content changes its size dynamically.
• Loaded and Unloaded events are not raised for the Content.

SpreadProcessing

FIXED

• Importing an XLS file causes NullReferenceException due to fill color.
• Applying text format to a column also sets the format to the next column.
• Repeating header rows are not imported correctly in some files.
• An InvalidOperationException is thrown in the ValueContextResolver when importing a document that contains conditional formatting.
• Sequence contains no matching element exception is thrown in files containing notes or comments.
• A conditional formatting rule with a custom formula with reference to another sheet is lost when importing a file generated from Microsoft Excel.

SpreadStreamProcessing

NEW

• Introduced support for importing rich text as plain text.

WordsProcessing

NEW

• HtmlFormatProvider: Introduced support for setting color values using the rgb() function. Available in NET 4.5 and above.
• Unify the support of CSS shorthand/longhand properties. Available in NET 4.5 and above.

FIXED

• HTML files encoded with Little Endian could not be imported correctly. Available in NET 4.5 and above.
• PdfFormatProvider: The image in the header is not exported to pdf.
• The forecolor of table cells text is not preserved when exporting to PDF.
• Table row which has defined only 'val' attribute of the 'trHeight' is imported as row with auto height.
• Exporting to PDF documents containing empty table rows results in 0 height of the rows.
• An ArgumentException is thrown due to incorrect measurement of block elements inside TableCell.
• NullReferenceException when importing a watermark with no opacity.
• The mail merge does not work if the template contains a Table of Contents.
• A KeyNotFoundException is thrown when importing an RTF that references a not declared font.
• The header is not imported when it contains a watermark.
• Empty table row is exported to PDF with different height.
• Empty paragraphs at the end of a table cell are ignored on import from RTF.
• Invalid list layout when converting to PDF and the list includes several pages.