With JAWS
Paragraph Style button menu
Font Name button menu
Real Font button menu
Zoom button menu
With NVDA
Paragraph Style sub menu
Font Name sub menu
Real Font sub menu
Zoom sub menu
Using Alt+down arrow to expand the select option menu, using the arrow keys to navigate down the menu nothing is announced although you can visually see the focus highlight in the menu.
This is the same for the two screen readers JAWS and NVDA. Same result when testing on Edge and Chrome browsers.
Other menu options or expandable sections are having a similar issue for:
Paste Options
Foreground Color
Background Color
Paint Stripper
Insert Symbol
Insert Table
Module Manager this one is empty when it expands
Thank you.
After upgrade from
<package id="Telerik.Licensing" version="1.6.16" targetFramework="net472" />
<package id="Telerik.UI.for.AspNet.Ajax.Net462" version="2025.3.825" targetFramework="net472" />
to
<package id="Telerik.Licensing" version="1.6.40" targetFramework="net472" />
<package id="Telerik.UI.for.AspNet.Ajax.Net462" version="2026.1.225" targetFramework="net472" />
we started experiencing the following error:
1. Add editor with ToolbarMode="RibbonBarShowOnFocus", no code-behind is required
<telerik:RadEditor ID="Editor" runat="server" Width="100%"
ToolbarMode="RibbonBarShowOnFocus">
</telerik:RadEditor>2. Open page, editor is empty and "Design" tab is active
3. Click on "Html" tab. Important: don't click on the editor content area while "Design" tab is active!
4. Paste some html, e.g.
<p>Your third Quarter Dining Rewards are Ready!</p>
5. Click to "Design" tab. Content is not rendered, editor is broken.
6. Find error in console
ScriptResource.axd?d=SIX1nT3k5ctYiH_Z5iBDXSZnshOXvXkzvSku5HLBqZlwfCmxfuwQE-bsvfCtuJcU8Kf5mMmqIz4_-haUfplj_Y2fBjNYHTB6sDwvO7dqA9dlR0fcUTx4578VpqHDjGrfk4WQ4Qs5nyG4zIAFDPwYjQ2&t=7fbf35ab:1 Uncaught TypeError: Cannot read properties of null (reading 'commonAncestorContainer')
at Object.getState (ScriptResource.axd?d=SIX1nT3k5ctYiH_Z5iBDXSZnshOXvXkzvSku5HLBqZlwfCmxfuwQE-bsvfCtuJcU8Kf5mMmqIz4_-haUfplj_Y2fBjNYHTB6sDwvO7dqA9dlR0fcUTx4578VpqHDjGrfk4WQ4Qs5nyG4zIAFDPwYjQ2&t=7fbf35ab:1:143451)
at Object.getToolState (ScriptResource.axd?d=SIX1nT3k5ctYiH_Z5iBDXSZnshOXvXkzvSku5HLBqZlwfCmxfuwQE-bsvfCtuJcU8Kf5mMmqIz4_-haUfplj_Y2fBjNYHTB6sDwvO7dqA9dlR0fcUTx4578VpqHDjGrfk4WQ4Qs5nyG4zIAFDPwYjQ2&t=7fbf35ab:2:7097)
at Object.setRibbonBarToolState (ScriptResource.axd?d=SIX1nT3k5ctYiH_Z5iBDXSZnshOXvXkzvSku5HLBqZlwfCmxfuwQE-bsvfCtuJcU8Kf5mMmqIz4_-haUfplj_Y2fBjNYHTB6sDwvO7dqA9dlR0fcUTx4578VpqHDjGrfk4WQ4Qs5nyG4zIAFDPwYjQ2&t=7fbf35ab:3:124809)
at Object._onEditorSelectionChange (ScriptResource.axd?d=SIX1nT3k5ctYiH_Z5iBDXSZnshOXvXkzvSku5HLBqZlwfCmxfuwQE-bsvfCtuJcU8Kf5mMmqIz4_-haUfplj_Y2fBjNYHTB6sDwvO7dqA9dlR0fcUTx4578VpqHDjGrfk4WQ4Qs5nyG4zIAFDPwYjQ2&t=7fbf35ab:3:124488)
at Array.<anonymous> (MsAjaxJs?v=D6VN0fHlwFSIWjbVzi6mZyE9Ls-4LNrSSYVGRU46XF81:1:2148)
at MsAjaxJs?v=D6VN0fHlwFSIWjbVzi6mZyE9Ls-4LNrSSYVGRU46XF81:1:50368
at Object.raiseEvent (ScriptResource.axd?d=TDVjdgRbdvNAY3tnbizUcIjfDUXiq5ixpnBN0VcDALLSiZ3CMr6-87hfvIaN_0cz2j3vISyRnNQUUXuS5a7lBoLr1EhUzo3XC7p-5gq6HdUFDfDXoZF6FnTKoxdUmGE70&t=7fbf35ab:3:34795)
at Function.callBaseMethod (MsAjaxJs?v=D6VN0fHlwFSIWjbVzi6mZyE9Ls-4LNrSSYVGRU46XF81:1:8931)
at Object.raiseEvent (ScriptResource.axd?d=SIX1nT3k5ctYiH_Z5iBDXSZnshOXvXkzvSku5HLBqZlwfCmxfuwQE-bsvfCtuJcU8Kf5mMmqIz4_-haUfplj_Y2fBjNYHTB6sDwvO7dqA9dlR0fcUTx4578VpqHDjGrfk4WQ4Qs5nyG4zIAFDPwYjQ2&t=7fbf35ab:1:326487)
at Object.set_html (ScriptResource.axd?d=SIX1nT3k5ctYiH_Z5iBDXSZnshOXvXkzvSku5HLBqZlwfCmxfuwQE-bsvfCtuJcU8Kf5mMmqIz4_-haUfplj_Y2fBjNYHTB6sDwvO7dqA9dlR0fcUTx4578VpqHDjGrfk4WQ4Qs5nyG4zIAFDPwYjQ2&t=7fbf35ab:2:26992)
This is a production issue so any quick fixes/workarounds will be greatly appreciated.