I'm still getting the HTMLElement issue with the new version (simple test page in our main project), however in another simple test app its working..
(note this is only happening in IE11). <br>
Test page which fails in one app but works in another...
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Test.aspx.cs" Inherits="ClubCentric.Membership.Test" %>
<%@ Register TagPrefix="CE" Namespace="CuteEditor" Assembly="CuteEditor" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<ce:editor id="edEditor" themetype="Custom" width="750px" height="547px" AutoConfigure="simple" ShowHtmlMode="false"
ShowTagSelector="false" ResizeMode="None" runat="server"></ce:editor>
</div>
</form>
</body>
</html>