Chore 36.0.1985.125 m compatibility issue

I've just experimented an incompatibility issue with the latest chrome release with htmlextender... that error chauses my page to fail postback

thanks for any help

1. Uncaught TypeError: Failed to execute 'collapse' on 'Selection': parameter 1 is not of type 'Node'. wDMDamaListaAttivita.aspx?_TSM_HiddenField_=ctl00_MainContent_ucComposizioneHTML_ToolkitScriptManag…:37
   1. <div class="stacktrace-entry" style="box-sizing: border-box;">Sys.Extended.UI.HtmlEditorExtenderBehavior._editableDiv_submitwDMDamaListaAttivita.aspx?_TSM_HiddenField_=ctl00_MainContent_ucComposizioneHTML_ToolkitScriptManag…:37</div>
   2. <div class="stacktrace-entry" style="box-sizing: border-box;">Sys.Extended.UI.HtmlEditorExtenderBehavior.WebForm_OnSubmitwDMDamaListaAttivita.aspx?_TSM_HiddenField_=ctl00_MainContent_ucComposizioneHTML_ToolkitScriptManag…:37</div>
   3. <div class="stacktrace-entry" style="box-sizing: border-box;">onsubmitwDMDamaListaAttivita.aspx:34</div>
   4. <div class="stacktrace-entry" style="box-sizing: border-box;">__doPostBackwDMDamaListaAttivita.aspx:54</div>
   5. <div class="stacktrace-entry" style="box-sizing: border-box;">PageRequestManager$_doPostBackScriptResource.axd?d=JgLfEWQMztJ-5VTyZnD0GDnyjaexpRGAW29gg67ieNnH9lMbeIe7NSM0uIdVmwG4Z-h8rDeJnzeVyP…:905</div>
   6. <div class="stacktrace-entry" style="box-sizing: border-box;">(anonymous function)</div>