Kendo UI for jQuery 2026 Q2 (2026.2.520)

Released: May 20, 2026

Updates in Kendo UI for jQuery 2026 Q2 (2026.2.520)

Features

  • Common:
    • Added Meridian Theme.
    • Added the ability to translate Kendo messages in all supported languages.
    • Loader Container overlay class changed from k-overlay-light to k-overlay.
    • Caret icons replaced with chevron icons.
    • Light and Dark theme colors removed globally.
    • Added support for Meridian Theme Package v14.1.0.
    • Added support for Fluent Theme Package v14.1.0.
    • Added support for Classic Theme Package v14.1.0.
    • Added support for Bootstrap Theme Package v14.1.0.
    • Added support for Default Theme Package v14.1.0.
    • Added support for Material Theme Package v14.1.0.
  • Button:
    • Button Size option type changed to accept xsmall, and ComponentSize changed to ButtonSize.
  • Chat:
    • Added Chat endless scrolling feature.
  • Dialog:
    • Removed Dialog themeColor option.
  • Gantt:
    • Gantt view selector changed from ButtonGroup to SegmentedControl.
  • Grid:
    • Added sticky groups.
    • Added row pinning.
  • PDFViewer:
    • PDFViewer Loader overlay class changed from k-overlay-light to k-overlay.
  • Scheduler:
    • Scheduler view selector changed from ButtonGroup to SegmentedControl.
  • Window:
    • Removed Window themeColor option.

Fixes

  • Avatar:
    • Fixed issue so that Avatar image URL can be escaped.
  • Chat:
    • Fixed Chat filesTemplate regression.
  • ChipList:
    • Fixed issue where you were unable to prevent ChipList select event.
  • ComboBox:
    • Fixed issue where the setOptions method of the ComboBox does not reset the height configuration.
  • ContextMenu:
    • Fixed missing class k-menu-group on ContextMenu ul element.
    • Fixed issue where aria-expanded false attribute set to Menu items with no child items unexpectedly.
  • DropDownButton:
    • Fixed issue where the DropDownButton API does not expose all configuration options for Popup customization.
  • DropDownList:
    • Fixed JS error thrown by adaptive DropDownList on resizing browser from mobile to desktop width.
  • Editor:
    • Fixed issue where Editor inside iframe resolves the wrong document object.
    • Fixed issue where export tool message is displayed as a tool title.
    • Fixed issue where Editor formatting creates redundant span element.
    • Fixed issue where Editor closes Source element tags.
  • FileManager:
    • Fixed issue where Filemanager filters folders after clearing the search.
  • Filter:
    • Fixed issue where using keyboard navigation does not focus elements in main Filter toolbar.
  • Gantt:
    • Fixed issue where Gantt events ending on 31st of December are not visible in Month and Year view in Firefox.
  • Grid:
    • Fixed issue where a JS error is thrown when initializing an initially hidden stacked-layout Grid.
    • Fixed wrong position of Grid drop clue indicator k-reorder-cue in RTL.
  • Menu:
    • Fixed issue where aria-expanded false attribute set to Menu items with no child items unexpectedly.
    • Fixed issue where scrollable menu opens wrong menu on mobile.
  • PivotGrid:
    • Fixed issue where an ampersand in column values prevents column from expanding.
  • Scheduler:
    • Fixed issue where scrolling Scheduler when dragging events is not possible in RTL Scheduler.
  • Signature:
    • Fixed issue when using the Signature in a Wizard the drawing line is being offset.
    • Fixed Kendo Signature span between signature line and pen/mouse cursor.
  • Spreadsheet:
    • Fixed issue where you are unable to change Spreadsheet cell format via Format dialog.
    • Fixed issue where you are unable to translate the items in the DropDownButton for the Spreadsheet's sheet tabs.
    • Fixed issue where Spreadsheet filter icons do not respect rowHeight.
  • TaskBoard:
    • Fixed issue where TaskBoard tasks cannot be reordered in the same column.
  • TimeDurationPicker:
    • Fixed TimeDurationPicker label issues.
  • Window:
    • Fixed incomplete typescript definitions for the Window title.