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Telerik UI for ASP.NET Core


What's Coming in 2023?

The Telerik UI for ASP.NET Core Team is excited to announce the new components, features, and tools that will be shipped with Telerik UI for ASP.NET Core. 

You can expect the following updates in the first half of 2023:

R2 2023

  • Telerik UI for ASP.NET Core SP1 in mid-March
  • Telerik UI for ASP.NET Core SP2 due in late April
  • Telerik UI for ASP.NET Core R2 2023 due in early June

We believe that our customer input is extremely valuable when we determine the next releases of Telerik UI for ASP.NET Core. To have a direct impact on our product roadmap we encourage you to keep sharing your thoughts, plans, and ideas for what you would like to see developed next in the ASP.NET Core suite in our dedicated feedback portal.  

Telerik UI for ASP.NET Core

Improvements in the ASP.NET Core Gantt Popup

Improvement R2 2023

We plan to deliver improvements in the Gantt component popup edit form, by adding tabs feature and exposing additional task properties that can be configured in it.

New Trendline Chart Component

New component R2 2023

In 2023 we plan to expand the existing chart UI components for ASP.NET Core and add a Trendline chart. You will be able to easily illustrate trends in data series and provide charting predictions capabilities to your ASP.NET Core applications.

ASP.NET Core Chart Enhancements

Improvement R2 2023

Based on your requests in the product feedback portal we plan to ship the following new features and improvements in the UI for ASP.NET Core Chart components:

  • Drill-down option for data series
  • Improved animations
  • Control of chart legend display
  • and more!

ASP.NET Core Data Grid Enhancements

New feature R2 2023

The already robust ASP.NET Core DataGrid component will be further enhanced with the following features:

  • Row resizing by end users
  • Row spanning (the ability for cells to span multiple cells across rows)
  • Column spanning

ASP.NET Core Scheduler Enhancements

New feature R2 2023

With the new Scheduler feature, you can highlight events that are currently happening and help users easily spot them. When the configuration option is enabled, any event that falls on the current time will automatically have a highlight style to it.

PivotGridv2 Parity with PivotGrid

Improvement R2 2023

We aim to provide complete feature parity between the previously existing and the newer PivotGrid components and enable you with resources to facilitate easy migration to the latest version.

Advanced Customization in ThemeBuilder Pro

New feature R2 2023

To facilitate advanced styling and customization of the Telerik UI for ASP.NET Core components beyond color settings, we will introduce support for the library within the ThemeBuilder Pro tool. You will be able to propagate styles with ease, define custom SASS variables, perform atomic customizations, collaborate with other members of the team and more!

Content Security Policy (CSP) compliance


Pursuing the goal to be CSP compatible and ultimately ensure strict CSP compliance for Telerik UI for ASP.NET Core, we are planning to implement the following incremental changes in 2023:

  • With R2 2023, we plan to replace all font icons internally used with SVG icons in order to address the font-src directive;
  • Further in 2023, we plan to detach font-related CSS from Kendo themes in order to remove the need for the font-src directive.

LESS themes deprecation

Improvement R1 2023

As announced earlier in January 2022, with R1 2023 we will stop support for LESS themes in Telerik and Kendo UI products. Any customer using the LESS themes is advised to migrate to an equivalent SASS-based theme instead. To learn more why this change is happening and how it might affect you please review the “Future Plans for the Telerik and Kendo UI LESS Themes” blog post.

Accessibility Improvements

Improvement R2 2023

In our upcoming 2023 releases, we will continue with our efforts to improve the overall accessibility of Telerik UI for ASP.NET Core components, ensuring the highest level of compliance with WAI-ARIA, Section 508, and the new WCAG 2.2 standards.

Date and Time Pickers Enhancements


In 2023 we plan to improve the UX related to the DateInput and Date & Time picker components in Telerik UI for ASP.NET Core. The areas we plan to focus on are navigation, editing, and validation.



Compact ASP.NET Core Data Grid

New feature

The new Compact Grid feature, also called a High Density Grid, focuses on displaying as much information as possible in a single Grid component by reducing the padding and margins used by elements within the ASP.NET Core Grid. The end-result is a data table with a more condensed look-and-feel which gives the opportunity to display more data at once.

The new compact grid feature will be offered through configuration options and can be used in combination with any of the built-in Default, Bootstrap, Material and Fluent themes.

Telerik UI for ASP.NET Core API Improvements


We are undertaking the effort to make improvements to the product’s API in the next several releases throughout 2023. The goal is to address feedback we received regarding the level of details, descriptions, and examples included in the UI for ASP.NET Core API.


Component Responsiveness


We will work towards making sure Telerik UI for ASP.NET Core components adjust smoothly to various screen sizes. We plan to ensure adaptiveness and responsiveness in multiple select and editor UI for ASP.NET Core components such as AutoComplete, ComboBox, MultiSelect etc., plus the Date & Time picker UI components.


TextBox & TextArea Enhancements

New feature

The TextBox and TextArea will soon have the configuration option to turn on or off the Character Counter feature next to the respective element. This ensures better user experience and gives clarity on the Character count as the user is typing in their content. 

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