What's New

What’s New in the R1 2021 Release

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!

R1 2021 Release Overview

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

The Telerik and Kendo UI development teams have been hard at work ensuring that you always have access to new UI components, Grid improvements and many features and updates across our .NET and JavaScript libraries. Our goal is and always has been to help you build, test and deliver even the most technically complex projects quickly, with ease and for the lowest cost.

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 all about the latest improvements by signing up for the Telerik and Kendo UI R1’21 release webinars and Twitch session:

NEW: Telerik Referral Program - share your love for great UI and earn an Amazon gift card.

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.


Angular MultiColumnComboBox

Kendo UI for Angular

  • New Component: Angular MultiColumnComboBox
  • New Component: Angular DropDownTree
  • New Component: Angular TileLayout
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React DropDownTree Component


  • New Component: React TileLayout
  • New Component: React DropDownTree
  • New Component: React Multi-Column ComboBox
Read all highlights
Angular Multiselect

Kendo UI for Vue

  • New Native Component: Vue MultiSelect
  • New Native Component: Vue Window
  • New Native Component: Vue Slider
Read all highlights
jQuery Floating Action Button

Kendo UI for jQuery

  • New jQuery Component: FloatingActionButton
  • New jQuery Component: BottomNavigation
  • New jQuery Component: ExpansionPanel
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Telerik UI for Blazor RangeSlider

Telerik UI for Blazor

  • New Component: Splitter
  • New Components: Slider and Range Slider
  • New Component: Loader Container
  • New Component: Notification Component
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Telerik UI for ASP.NET Core Bottom Navigation Component

Telerik UI for ASP.NET Core

  • Support for Visual Studio 2022 and .NET 6
  • New Component: Floating Action Button
  • New Component: Bottom Navigation
  • New Telerik UI for ASP.NET Core Visual Studio Code Wizard
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Telerik UI for ASP.NET AJAX Breadcrumb

Telerik UI for ASP.NET AJAX

  • New Component: Breadcrumb
  • New Grid Export Feature: Auto-Fit Column Width
  • New Grid Export Improvements
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Telerik UI for ASP.NET MVC Floating Action Button Component

Telerik UI for ASP.NET MVC

  • New ASP.NET MVC FloatingActionButton Component
  • New ASP.NET MVC Bottom Navigation Component
  • New ASP.NET MVC Expansion Panel Component
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Telerik UI for JSP Bottom Navigation Component

Telerik UI for PHP

  • New Telerik UI for PHP Component: Floating Action Button 
  • New Telerik UI for PHP Component: Bottom Navigation 
  • New Telerik UI for PHP Component: Expansion Panel 
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Telerik UI for JSP Expansion Panel

Telerik UI for JSP

  • New Telerik UI for JSP Component: Expansion Panel 
  • New Telerik UI for JSP Component: Floating Action Button   
  • New Telerik UI for JSP Component: Bottom Navigation 
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Telerik UI for Xamarin DarkMode Support

Telerik UI for Xamarin

  • Official Version of RichTextEditor
  • Telerik UI for Xamarin Goes DarkMode
  • TabView Features and Improvements
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CardView for WPF

Telerik UI for WPF

  • CardView Control
  • Horizontal Layout in TileList Control
  • Accessibility Improvements Across the Entire Suite
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ToastNotifications for WinForms

Telerik UI for WinForms

  • Toast Notification Manager
  • PictureBox with SVG File Support
  • Office 2019 Theme
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Telerik UI for WinUI

  • Ribbon
  • Barcode
  • BusyIndicator
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headless test automation

Telerik Test Studio

  • Headless Browser Testing
  • PDF Content Validation
  • New Storyboard
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Next Level Report Engine - Telerik Reporting

Telerik Reporting

  • Next-Level Report Engine by Telerik Reporting
  • Support for .NET 5 Official
  • Enhanced Web Report Designer Plus Visual Studio Integration
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Improved Web Report Designer - Telerik Report Server

Telerik Report Server

  • Improved Web Report Designer
  • Next-Level Report Engine by Telerik Report Server
  • Report Preview Cancelling
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Speed and performance optimizations when executing unit tests - Telerik JustMock

Telerik JustMock

  • Speed and Performance Optimizations When Executing Unit Tests
  • Debug Window with Enhanced UI/UX for a Better Debugging Experience
  • Support for .NET 5 Official
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Free Tools

Fiddler Everywhere

Fiddler Everywhere

  • New UI Themes
  • New Rule Builder
  • New Overview Inspector
Read all highlights

Release History

R3 2020

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

R2 2020

The New Era of .NET is Coming! Telerik Controls Now Feature Support for .NET 5 Preview, Blazor WebAssembly, and 40+ Blazor Native Components!

R1 2020

Telerik UI for Blazor – The Fastest Growing Native Component Suite introduces new controls, viewer for Reporting and much more!

Detailed Release Notes List for past 15 years

See History

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