The Telerik & Kendo UI R3 2021 Release is Here!

What's New

What’s New in the R3 2021 Release

Telerik & Kendo UI R3 2021: Introducing 50+ New Components Across All .NET & JavaScript Libraries, the Only Blazor UI Library with 85+ Components, Growing MAUI & WinUI Suites, Support for .NET 6 Latest Preview, Design Kits for Figma & More!

R3 2021 Release Overview

The Only .NET and JavaScript Toolbox You Will Ever Need!

Faithful to our mission to empower you to build better, on-time, on-budget .NET and JavaScript apps, we’re releasing a ton of new components, features, and improvements across our .NET web, desktop and mobile libraries, JavaScript web libraries, embedded reporting, automated testing and mocking tools.

If you are an existing Telerik or Kendo UI customer, dive right into the release by downloading the latest bits. To access the latest Angular, React and Vue functionality, install the respective npm packages. Or, if you haven’t checked out our products recently, now is the perfect time to give them another try.

Learn about the latest improvements by watching the Telerik and Kendo UI R3 2021 release webinars:

In addition to the release news, we’re happy to share the latest updates around Unite UX – the collaborative design-to-development UI components builder is now available in public beta. You can finally have perfectly matching UI when designing and developing your apps or creating the base of your own design system. Create your components in Figma, apply the styles to the ready-made Telerik or Kendo UI library in Unite UX, reuse infinitely, anywhere. Start your trial today and purchase at 20% discount during the beta.

Do you believe more developers should try Telerik and Kendo UI products? Invite a fellow developer to become a Progress customer and you can each earn a $50 Amazon gift card.

And last, but not least we revamped one of the favorite places that developers love hanging out – the Telerik Forums. Check out the complete forums story of why and what in the dedicated blog post.


Angular Gantt Highlight

Kendo UI for Angular

  • New Component: Angular Gantt Chart
  • New Component: Angular Heatmap Chart
  • New Angular Design Tools: Kendo UI Kits for Figma
Read all highlights
React PivotGrid component


  • New Component: React Pivot Grid (Table)
  • Upgrade: Bootstrap 5 Support
  • New Component: React Typography
Read all highlights
Vue Card Overview 370 x 200

Kendo UI for Vue

  • New Component: Native Vue Charts
  • New Component: Native Vue Card
  • New Vue Design Tools: Kendo UI Kits for Figma
Read all highlights
jQuery Heatmap 370x200

Kendo UI for jQuery

  • New Component: jQuery OrgChart
  • New Component: jQuery Captcha
  • New Component: jQuery Heatmap Chart
Read all highlights
Telerik UI for Blazor Gantt Component

Telerik UI for Blazor

  • New Component: Carousel
  • New Component: Barcode
  • New Gantt Enhancements
Read all highlights
Telerik UI for ASP.NET Core Captcha

Telerik UI for ASP.NET Core

  • New ASP.NET Core Component: Captcha
  • New ASP.NET Core Component: HeatMap
  • New ASP.NET Core Component: OrgChart
Read all highlights
Telerik UI for ASP.NET AJAX DateRangePicker

Telerik UI for ASP.NET AJAX

  • Upcoming Support for Web Live Preview
  • New DatePicker Accessibility Improvements
  • New Component: DateRangePicker
Read all highlights
Telerik UI for ASP.NET MVC OrgChart

Telerik UI for ASP.NET MVC

  • New ASP.NET MVC Component: OrgChart
  • New ASP.NET MVC Component: HeatMap
  • New ASP.NET MVC Component: Captcha
Read all highlights
Telerik UI for PHP HeatMap

Telerik UI for PHP

  • New PHP Component: HeatMap
  • New PHP Component: OrgChart
  • New Theming Enhancement
Read all highlights
Telerik UI for JSP OrgChart

Telerik UI for JSP

  • New JSP Component: OrgChart
  • New JPS Component: HeatMap
  • New Theming Enhancements
Read all highlights


Telerik UI for MAUI DataGrid

Telerik UI for .NET MAUI

  • New Component: DataGrid
  • New Component: Gauge
  • New Component: Barcode
Read all highlights
Telerik UI for Xamarin Xamarin CurrentTimeIndicator

Telerik UI for Xamarin

  • DataMatrix Barcode
  • New RichTextEditor Feature: Insert and Edit Images
  • New Calendar Feature: Current Time Indicator for DayView Mode
Read all highlights


WPF Badge Control

Telerik UI for WPF

  • .NET 6 Support
  • New Component: Badge Control
  • WPF Design Time: Support for Suggested Actions
Read all highlights
Telerik UI for WinForms TaskBoard GIF

Telerik UI for WinForms

  • PageView: Hierarchy Support in Navigation View Mode
  • New Component: FilterView
  • New Component: Task Board
Read all highlights
Telerik UI for WinUI Map

Telerik UI for WinUI

  • New component: Map
  • New component: MaskedInput
  • New component: Expander
Read all highlights
Telerik UI for Silverlight PanelBar

Telerik UI for Silverlight

Read all highlights

Reporting and QA


Telerik Test Studio

  • Docker Container Support
  • Improved Test Studio Layout Management
Read all highlights
Web-Based Report Designer Enhancements

Telerik Reporting

  • Web-Based Report Designer Enhancements
  • WinUI Report Viewer for Desktop Apps
  • Visual Studio Item Templates for Blazor Report Viewer & Blazor Report Designer
Read all highlights
Remain the Report Service Session Alive

Telerik Report Server

  • Remain the Report Service Session Alive While the WPF/WinForms/Web-Based Report Viewer is Open
  • Web-Based Report Designer Improvements
Read all highlights
Support for Linux

Telerik JustMock

  • Support for Linux
  • Visual Studio 2022 Support
  • Support for .NET 6 RC 1
Read all highlights


Fiddler Jam

Fiddler Jam

  • New Feature: Capture Local and Session Storage
  • New Feature: Video Recording
  • New Feature: Masking Sensitive Data
Read all highlights
Fiddler Everywhere

Fiddler Everywhere

New HTTP/2 Support (Beta)

  • New Advanced Filters
  • New HTTP/2 Support (Beta)
  • New WebSocket Support
Read all highlights

Release History

R2 2021

Telerik & Kendo UI R2 2021: Introducing Telerik UI for WinUI, the Largest Blazor UI Component Suite, Over 30 Enhancements Across All .NET & JavaScript Grids & More!

R1 2021

Telerik & Kendo UI R1 2021: 50+ New Components, 20+ Grid Improvements, Industry-Leading Blazor UI Controls & Tools, Support for .NET 5 Official, Angular 11, React 17 & More!

R3 2020

Telerik & Kendo UI R3 2020: 45+ New Components, Blazor and WinUI Updates, Support for .NET 5, Angular 10, Vue 3.0 & More!

Detailed Release Notes List for past 15 years

See History

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