Release History

Telerik UI for ASP.NET AJAX 2025.1.211 (2025 Q1)

February 11, 2025

Common

NEW

• New AIPrompt component
• Add 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 import and export method overloads in Telerik.Web.UI with timeout-aware overloads and introduced the configurable SecurityHelper.DplFormatProviderTimeout setting.

FIXED

• Removed the License Provider to eliminate license.licx file-related issues and simplify the licensing process.
• Remove obsolete IE mergeAttributes method from the source code.

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. For details, see our LicensingDocumentation.

PushButton

FIXED

• PostBackUrl in a RadPushButton doesn't work

Combobox

FIXED

• German and French resource files do not contain all strings in English resource file.

DropDownList

NEW

• Add support for Magic Keyboard on touch devices.

Editor

FIXED

• Refactor greedy regexes and replace them with better alternative.

DocumentProcessing

FIXED

• OpenXML formats are susceptible to DoS attacks passing through the timeout mechanism.

MultiSelect

FIXED

• Incorrect appearance when setting the Visible true on PostBack.

PdfProcessing

NEW

• 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.
• Introduced support for adding barcodes to a PDF document.
• Introduced option for setting height to table rows.
• Introduced API allowing optimization and reduction of the size of existing PDF files.
• Handled import of documents with missing MediaBox operator.
• Introduced support for import-export of XFA fields.
• Introduced support for Named actions.
• Introduced support for ResetForm action.

FIXED

• A NullReferenceException is thrown when importing a file with explicitly set UserInterfaceName annotation property to null.
• A NullReferenceException is thrown when importing a document and enumerate the pages.
• A NullReferenceException is thrown when cloning or merging documents containing a Link with Action collection.
• A NotSupportedException is thrown when parsing CFF Type1 font.
• A NotSupportedException is thrown when exporting an image with ICCBased color space and the default ImageCompression is changed.
• Some text is missing when the culture is German.
• А KeyNotFoundException is thrown when reading glyph data with Type1Font.
• A KeyNotFoundException is thrown when loading a document with unsupported annotation.
• An InvalidOperationException: 'Position is out of range.' is thrown while reading the font in the import process.
• An InvalidCastException is thrown when parsing the font for a specific document.
• An IndexOutOfRangeException is thrown when encoding an image with Grayscale color space.
• Images are inverted after export.
• An error in Adobe when inspecting a page with DeviceGray ColorSpace image after import-export.
• An ArgumentNullException is thrown when importing a document with missing indirect reference object.
• An ArgumentException: 'Name cannot contain .(period).' when merging PDF files with form fields.
• PdfStreamWriter: JavaScript actions are broken after merging documents.
• A NullReferenceException when Type1 font with random bytes count (lenIV) is set to 0.
• An InvalidCastException is thrown when importing a file with missing space.
• An InvalidCastException is thrown when importing a document with a missing state separator in the object stream.
• A NullReferenceException is thrown when importing a form XObject with null Resources in PDF dictionary.

Spell

FIXED

• RadSpell does not work and throws an h is not a constructor error.

Spreadsheet

FIXED

• Fix undefined error when triggering Bold, Italic, or Underline with keyboard shortcuts.

SpreadProcessing

FIXED

• The Export method does not respect the timeout parameter.
• A NullReferenceException is thrown when exporting a workbook with no sheets. A message indicating that a workbook should contain at least one visible sheet is now displayed.
• Name Conflict window is displayed when an XLS file is imported and then exported to XSLX.
• Duplicating a worksheet with the CopyFrom method does not copy the defined conditional formatting rules.
• An ArgumentNullException is thrown when importing a document containing a rule with no format set.

TreeView

NEW

• Add support for Magic Keyboard on touch devices.

ZipLibrary

FIXED

• Remediated Security Vulnerability (CVE-2024-11343).