Release History

Telerik UI for ASP.NET Core 2025.4.1217

December 17, 2025

Common

Dependencies

• Telerik Document Processing Library (DPL) version (2025.4.1216)
• Fluent Theme Package (v.12.3.0)
• Classic Theme Package (v.12.3.0)
• Bootstrap Theme Package (v.12.3.0)
• Default Theme Package (v.12.3.0)
• Material Theme Package (v.12.3.0)

ArcGauge

FIXED

• Gauge enum collision when using TagHelpers

Checkbox

FIXED

• Disabled Checkbox component is missing k-disabled class (8382)

CircularGauge

FIXED

• Gauge enum collision when using TagHelpers

Dialog

NEW

• Add icon property to dialog action buttons (7783)

Editor

FIXED

• Underline Text-Decoration Not Rendering on Paste (7281)

FileManager

NEW

• Do not trigger Read request twice when navigating to a FileManager folder using double click (8294)

Grid

NEW

• Prompt-Controlled DataGrid

FIXED

• TypeScript error "Cannot find name 'GridUngroupCommand'" (8409)
• Unable to focus Grid popup Save and Cancel buttons via keyboard (8404)
• Grid AI Assistant does not select rows when mode is Pascal-Cased (8401)
• Localization is not applied to GroupsPager (8397)
• Incorrect item is returned in the save event in Grid with virtual columns (8392)
• Grid in TabStrip PartialView throws an error when there is a Sticky and ForeignKey column (8371)
• Readonly navigatable Grid enters editable mode on pressing Tab (8359)
• Grid's getSelectedData method with a selectable column throws an error (8341)
• Editor in inline mode does not open in an InCell editable Grid (8193)

Map

FIXED

• Bubble Map throws a javascript error when rendered in invisible container (8126)

Menu

FIXED

• Scrollable Configuration Increases Menu Height (8389)

Notification

FIXED

• Notification is rendered behind window and dialog (8390)

PropertyGrid

FIXED

• PropertyGrid commands cannot be localized using TagHelpers

Spreadsheet

FIXED

• Spreadsheet data validation message is incorrect (8302)
• Filtered Excel file is not imported correctly in Spreadsheet (8176)
• Spreadsheet DropDown button does not register a click all the time (8167)
• Product formula is not calculated correctly when a cell content is deleted in Spreadsheet (7949)
• =WORKDAY() formula freezes the browser when its calculation contains weekend day (7015)
• Spreadsheet hyperlink does not work if friendly name is not specified (5239)
• Spreadsheet fromFile() method does not return reject promise, when an error occurs while loading file (2877)

StockChart

FIXED

• StockChart DashType collision when using TagHelpers

TabStrip

FIXED

• TabStrip throws an error on adding a new item (8393)

TreeView

NEW

• Add TreeView item icon property

Window

FIXED

• Window is not displayed over the Dialog when toFront method is used (8400)

Wizard

FIXED

• Button Argument Undefined During Wizard Done Event (8403)

Visual Studio Extension

NEW

• Add support for Visual Studio 2026 extensions.
• Extend Visual Studio extensions with MCP configurations.
• Add Support for .Net 10.

Visual Studio Code Extension

NEW

• Extend VS Code extensions with MCP configurations.
• Add Support for .Net 10.