Release History

Telerik UI for ASP.NET Core 2026.1.415

April 15, 2026

Common

Dependencies

• Telerik Document Processing Library (DPL) version (2026.1.402)
• Fluent Theme Package (v13.1.1)
• Classic Theme Package (v13.1.1)
• Bootstrap Theme Package (v13.1.1)
• Default Theme Package (v13.1.1)
• Material Theme Package (v13.1.1)

Chat

NEW

• Adopted authored ref-promptbox-file-select-button, ref-promptbox-speech-to-text-button, and ref-promptbox-send-button in custom affixes without duplicating built-ins
• Routed the Chat file attachment button to the PromptBox start affix
• Forwarded PromptBox affix templates through Chat messageBox
• Made incoming messages near the bottom use threshold-aware scrolling while own messages still scroll to bottom
• Added autoScrollThreshold with pixel and percentage support for incoming message reveal
• Added Chat V3 and Q2 features to wrappers

FIXED

• ChatOptions error in kendo.all.d.ts (#8447)

FileManager

FIXED

• Setting the push event handler of the FileManager dataSource throws a JS error

Gantt

FIXED

• Gantt with rowHeight and shown Planned tasks has misalignments (#7952)

MediaPlayer

FIXED

• ScrollView prevents Nested MediaPlayer volume scroller from scrolling (#7727)

MultiSelect

FIXED

• Multiselect with Virtualization does not highlight all selected options in the drop-down menu (#8351)

PivotGrid

FIXED

• Ampersand in column values prevents column from expanding

PivotGridV2

FIXED

• PivotGridv2 does not calculate correctly Multiple measures with same type but different fields (#7595)

ScrollView

FIXED

• ScrollView prevents Nested MediaPlayer volume scroller from scrolling (#7727)

SmartPaste

FIXED

• CheckBoxGroup does not take data-smartpaste-description with higher precedence

Stepper

FIXED

• Stepper connector lines do not connect to steps when zooming on iPad (#8185)