blazor bg roadmap

Telerik® UI for Blazor 14.0.0 (2026 Q2)

May 20, 2026

Common

NEW
  • Compatibility with .NET 11 Preview 4
  • New TaskBoard component
FIXED
  • Localize hardcoded aria-label strings in components
Breaking Changes
  • Remove the ThemeColor.Dark and ThemeColor.Light usages from Button, Badge, DropDownButton, and SplitButton. Remove ThemeColor from Card, Window, Dialog, and popup edit settings components. Remove OverlayThemeColor from LoaderContainer. The appearance in these scenarios is determined by the active theme stylesheet.
Dependencies
  • Update DPL version to 2026.2.519
  • Supports Bootstrap theme version 14.1.0
  • Supports Classic theme version 14.1.0
  • Supports Default theme version 14.1.0
  • Supports Fluent theme version 14.1.0
  • Supports Material theme version 14.1.0
  • Supports Meridian theme version 14.1.0

Button

NEW
  • Add XS size option to button components

Chart

NEW
  • Add zoom and drag events
Breaking Changes
  • The template syntax with literals is now deprecated, use the name of a JavaScript function that returns the value of the template instead.

Chat

NEW
  • Add auto scroll threshold
FIXED
  • Suggestions shadow should be visible when scrolling is available
  • Scroll to bottom button is not removed when having large message that does not fit inside the message list
Breaking Changes
  • OnLoadMoreMessages StartIndex and EndIndex now contain the full rendered range instead of just the requested page.

Diagram

NEW
  • Add resizable connections, resize handle offset, pannable scrollbars, connector dragging offset
  • Add ExportToPdfAsync and ExportToPngAsync public methods
  • Add draggable connections with drag event lifecycle

DropDownTree

FIXED
  • Align OnChange event behavior with DropDownList

Grid

NEW
  • Allow setting smartbox mode
FIXED
  • Nested sticky group header missplacement
  • The text flickers during typing in AI assitant
  • Replace getAbsoluteElementOffset with getBoundingClientRect for drag-to-select in Window

Menu

FIXED
  • Leaf items not closing popup when HideOn is set to MenuHideEvent.Click

Notification

NEW
  • Add OnClose event

PdfViewer

Breaking Changes
  • Allow setting non-numeric value for zoom
  • The component now uses pdf.js version 5.x

Popup

FIXED
  • Clear stale bottom/maxHeight styles on reposition for auto-height popups
  • Shrink width by scrollbar size to prevent horizontal page scroll at viewport edge

QrCode

NEW
  • Add UTF_8_NO_BOM value to QRCodeEncoding enum

Scheduler

FIXED
  • Use getBoundingClientRect for accurate slot metrics at non-100% OS scale
  • Increasing the height of the SchedulerResourceGroupHeader cell causes misalignment of the Scheduler cells

SplitButton

FIXED
  • Make screen readers read the items

StockChart

Breaking Changes
  • The template syntax with literals is now deprecated, use the name of a JavaScript function that returns the value of the template instead.

SvgIcon

NEW
  • Add Variant property

TabStrip

NEW
  • Add OnTabDrop event
FIXED
  • Persisted tab should be rendered only upon activating, not when visible changed
Breaking Changes
  • ActiveTabIndex and ActiveTabIndexChanged are removed. Use ActiveTabId and ActiveTabIdChanged instead.

ToolBar

FIXED
  • Prevent arrow key interception when focused element is input or textarea (BLZ-2494)

UI for Blazor

Demo Buy Try

New features & Roadmap

Have a feature request?

Post your feedback via the Blazor UserVoice portal or the Public forums

What's new across all Telerik products?

See the updates feed

Get stared waves

Next Steps

Launch demos

See Telerik UI for Blazor in action and check out how much it can do out-of-the-box.

Compare pricing

Check out the offers. Purchase an individual suite, or treat yourself to one of our bundles.

Download free trial

Try Telerik UI for Blazor with dedicated technical support.