Telerik UI for ASP.NET AJAX Releases

Released: Sep 15, 2021

Updates in R3 2021


  • Common
    • New DateRangePicker control.
    • Change Flash gif link in AnimationFramework to HTTPS.
  • Calendar
    • No postback needed for MultiView Calendar fast navigation.
    • Focus and Modifier Keys configuration implemented.
  • PdfProcessing
    • Handle import of documents containing Simple fonts with names of entries in the Encoding`s Differences that are not part of the Adobe Glyph List.
    • Introduced support for handling documents containing invalid cross-reference table start index.
  • SpreadStreamProcessing...

Released: Jun 16, 2021

Updates in R2 2021 SP1


  • PdfProcessing
    • Handle the import of documents with invalid cross-reference table offsets.
    • Handle the import of documents with invalid Prev cross-reference table offsets.
    • Handle the import of documents with many trailing zero bytes at its end.
    • Handle the import of documents containing invalid or empty annotation appearance.
    • Handle the import of documents with trailing content at its end.
    • Handle the import of documents containing streams decoded with FlateDecode filter with a Reserved...

Released: May 12, 2021

Updates in R2 2021


  • Common
    • New Switch Component.
  • Gantt
    • Planned vs Actual feature to cover baseline dates scenario.
    • KendoWidgetInitializing and Load client events.
    • RequestEnd and RequestFailed client events.
    • TaskSaving, TaskEditing, TaskUpdateCancel, Inserting and Removing client events.
    • TaskSelectionChanged and TogglePlannedTasks client events.
    • get_kendoWidget() method to access underlying widget.
    • Custom toolbar items and toolbar client template options.
    • Column and Column header client templates.
    • Header...

Released: Mar 30, 2021

Updates in R1 2021 SP2


  • Grid
    • Export to XSLX adding blank row for filter item in R1 2021.
  • Map
    • The RadMap navigation arrows are misaligned in Material skin.
  • Scheduler
    • Uncaught TypeError: Cannot read property 'offsetWidth' of undefined when updating a cell in spreadsheet.
  • Spreadsheet
    • Improved French translation in RadScheduler resx files.
  • Timeline
    • The timeline date item is misaligned with the track in horizontal mode.

Released: Feb 24, 2021

Updates in R1 2021 SP1


  • Common
    • Kendo Scripts Upgrade from 2020.3.915 to 2021.1.119.
  • Drawer
    • Keyboard navigation in Drawer.
  • Gantt
    • Replace Gantt custom treelist implementation with the actual TreeList component.
    • Add sort order icon in treelist header.
    • Show more information in the dragClue when dragging in treelist.
  • PdfProcessing
    • Introduced mechanism for loading custom font files when importing TrueType fonts.
    • Handled import of documents containing Outlines (Bookmarks) containing Actions with an empty dictionary...

Released: Jan 20, 2021

Updates in R1 2021


  • Common
    • New Breadcrumb Component.
  • ComboBox
    • ComboBox arrow button must have discernible text.
  • Grid
    • Create WorkSheetName property for RadGrid when exporting to XLSX.
    • Auto-Fit column width when exporting to excel using Format=Xlsx.
    • RadGrid export to preformatted excel file.
  • PdfViewer
    • Increase the default MaxSerializerLength value to int.MaxValue.
  • PdfProcessing
    • Performance improvements when inserting tables using the RadFixedDocumentEditor.
  • SpreadProcessing
    • Added DocumentInfo properties to...

Released: Oct 21, 2020

Updates in R3 2020 SP1


  • Common
    • Apple Mac and iOS improvements.
    • Kendo Scripts Upgrade from 2020.2.513 to 2020.3.915.
    • Improved integration of RadLabel with RadControls.
    • .k-reset is incorrectly removing the background.
  • Label
    • Improve RadLabel integration with RadComboBox.
    • Improve RadLabel integration with RadAutoCompleteBox.
    • Improve RadLabel integration with RadSearchBox.
    • Improve RadLabel integration with RadMonthYearPicker.
  • PdfProcessing
    • Handled import of documents containing outlines with an invalid destination...

Released: Sep 16, 2020

Updates in R3 2020


  • Common
    • New Card Component.
  • Calendar
    • Remove usage of eval() for parsing hidden field values.
  • Editor
    • Improve Style Builder in Classic Render Mode.
  • HtmlChart
    • ADD KendoWidgetInitializing client-side event.
    • ADD the ability to turn on/off the highlight effect when Series are hovered in RadHtmlChart.
    • ADD dashType property for Area, Line and ScatterLine Series in RadHtmlChart.
    • ADD crosshair functionality in RadHtmlChart.
    • ADD appearance options for the Series border in RadHtmlChart.
    • ADD dashType...

Released: Jun 17, 2020

Updates in R2 2020 SP1


  • Common
    • Kendo Scripts Update from 2019.3.1023 to 2020.2.513.
  • Chart
    • Auto fit option for content area with labels in "pie" and "donut" chart.
    • Take device pixel ratio into account when rendering to canvas.
  • Editor
    • Update the copyright date in the resource files.
    • Еnable the Match Whole Words feature of the Find dialog in Internet Explorer.
  • Gauge
    • Take device pixel ratio into account when rendering to canvas.
  • SpreadProcessing
    • Introduced support for import/export from/to XLSX format of Text...

Released: May 13, 2020

Updates in R2 2020


  • Common
    • New Timeline component.
    • New PDFViewer component.
    • Backport jQuery XSS Vulnerability fix from jQuery 3.5 to the Telerik jQuery 1.14.2.
    • Security Improvement in handling Telerik.Web.UI.DialogHandler errors.
  • FormDecorator
    • Option text is not wrapped in classic render mode for a select styled by FormDecorator.
  • OrgChart
    • Missing Lightweight OrgChart connection lines in PDF when exported with ClientExportManager.
  • PdfProcessing
    • Provided API for clearing the registered fonts in the...