Telerik UI for ASP.NET AJAX Releases

Released: Apr 30, 2025

Updates in 2025 Q1 (2025.1.416)

Fixes

  • Fixed request routing problem.
  • Includes fix for security vulnerability CVE-2025-3600.

Released: Feb 18, 2025

Updates in 2025 Q1 (2025.1.218)

Fixes

  • AJAX Visual Studio Extensions:
    • Fixed issue where AJAX Visual Studio extensions don't add Telerik references when creating or upgrading projects.
  • Calendar:
    • Fixed client error when setting MinDate or MaxDate.
  • Grid:
    • Fixed uncaught TypeError: t is not a function in Telerik RadGrid 2025 Q1.
  • Editor:
    • Fixed issue regarding extra spaces in bullets when pasting from Word.
  • Window:
    • Fixed issue where RadWindow throws Uncaught TypeError: Cannot read properties of undefined (reading 'parentElement').

Released: Feb 11, 2025

Updates in 2025 Q1 (2025.1.211)

Features

  • Breaking Changes:
    • Starting with 2025 Q1, all users of the Telerik and Kendo UI components and tools, will need to apply a valid license key file to both new and existing projects.
  • Common:
    • Added new AIPrompt component.
    • Added support for Magic Keyboard on touch devices.
    • Document Processing: Introduced support for Optical Character Recognition (OCR), allowing the conversion of images of typed, handwritten, or printed text into machine-encoded text from a scanned document.
    • Replaced obsolete...

Released: Nov 14, 2024

Updates in 2024 Q4 (2024.4.1114)

Features

Common

  • Removed the LosSerializer Class used to serialize/deseralize objects.

Fixes

MultiSelect

  • Fixed issue where selected values are lost on PostBack after Chrome Update (131.0.6778.70).

Released: Nov 13, 2024

Updates in 2024 Q4 (2024.4.1113)

Features

  • What's New
    • Added default timeout for regular expressions to improve performance and security, customizable via the Telerik.RegexMatchTimeout appsetting in web.config.
    • Replaced the use of potentially insecure components with secure alternatives across various controls and functionalities.
    • Sanitized script-related HTML tags to comply with secure coding standards.
  • Editor
    • Improved XSS DOM events filtering for enhanced security.
  • PdfProcessing
    • Introduced support for Matte color for Soft-Mask...

Released: Aug 7, 2024

Updates in 2024 Q3 (2024.3.805)

Features

  • What's New
    • Added a new Pyramid chart type for improved data visualization of hierarchical data.
    • Modernized Keyboard Event Handling - Replaced deprecated e.keyCode and e.charCode with e.code for better compatibility. This effects the following components:
      • Button.
      • Calendar.
      • DateInput.
      • ColorPicker.
      • MaskedTextBox.
      • NumericTextBox.
      • LightBox.
      • MediaPlayer.
      • Menu.
      • Navigation.
      • PanelBar.
      • SearchBox.
      • Slider.
      • Spell.
      • TabStrip.
      • ToolBar.
      • ToolTip.
      • Wizard.
  • Updated Mutation Handling - Replaced obsolete...

Released: May 15, 2024

Updates in 2024 Q2 (2024.2.513)

Features

  • What's New
    • The minimum supported .NET Framework version for Telerik UI for ASP.NET AJAX is now 4.6.2.
    • The minimum supported .NET Framework version for Document Processing Libraries is now 4.6.2.
  • Changed
    • The version built against .NET Framework 4.5 has been removed.
  • PdfProcessing
    • Introduced support for fonts that use simulated bold and italic forms.
    • Introduced support for OTF font file format.
    • You can now handle documents containing invalidly located clipping path operators.
    • You can now...

Released: Jan 31, 2024

Updates in 2024 Q1

Features

  • Highlight
    • Added a new Chip component.
    • Added a new ChipList component.
    • Added support for embedding file streams with PdfProcessing library.
  • Editor
    • Flash FLV format is no longer supported.
  • PdfProcessing
    • Exposed the IsBold property of FontBase.
    • Added support for embedding ZUGFeRD invoices.
    • Introduced support for embedding file streams.
  • TreeList
    • The dom event is now available in the click and double click event arguments.
  • WordsProcessing
    • Introduced а mechanism to replicate the whole row...

Released: Oct 11, 2023

Updates in R3 2023

Features

  • Common
    • Added new Avatar control.
    • Added new VerticalLine chart type.
    • Added new VerticalArea chart type.
    • Made accessibility improvements in HtmlChart, Menu, Timeline and FormDecorator.
  • Menu
    • Improved Accessibility compliance of RadMenu.
  • HtmlChart
    • Added VerticalLine and VerticalArea chart types.
    • Added Background and border options for the labels.
    • Added Step and Skip properties for the axes gridlines.
    • Added MinSize and MaxSize properties for the BubbleSeries.
    • Accessibility improvement...

Released: Jul 19, 2023

Updates in R2 2023 SP1

Features

  • MultiSelect
    • Improved support for large datasets.
  • PdfProcessing
    • Added the ability to export the optional Signature's Filter property when exporting to a PDF file.
  • SpreadProcessing
    • Introduced support for charts in Microsoft .NET Standard.

Fixes

  • DateTimePicker
    • Cannot read properties of null (reading focus) at Telerik.Web.UI.Calendar.Popup._raiseClosed.
  • Editor
    • Failed to execute createObjectURL on URL error when pasting an image from Word.
  • Gauge
    • Circular Gauge is repositioned when labels are...