In the attached project, if you try to reorder task 10 above task 6, both tasks will have the same OrderID.

The same is not observed if you reorder Task 4 to be above Task 1.

The content is not scrolled to the end of the pasted content in IE11 - the scrollbar keeps its initial position instead. The issue is reproducible in IE (tested in IE11) and Chrome, but not in Firefox nor standard editable iframe.

Steps to reproduce:
1. Open in IE: http://demos.telerik.com/aspnet-ajax/editor/examples/overview/defaultcs.aspx
2. Paste big enough content, so the scrollbar will be shown

Actual: The scrollbar stays on the top.
Expected: The content area is scrolled to the end of the pasted content

Possible workaround could be creating a temporary selectable element after the pasted content, which to be selected manually:
		<telerik:RadEditor ID="txtMessage"  runat="server" OnClientPasteHtml="OnClientPasteHtml">
		</telerik:RadEditor>
		<script>
			function OnClientPasteHtml(editor, args) {
				if (args.get_commandName() == "Paste" && $telerik.isIE) {
					args.set_value(args.get_value() + "<div id='selectableEl'></div>");
					setTimeout(function () {
						var selectedEl = editor.get_document().getElementById("selectableEl");
						console.log(editor.getSelectedElement());
						Telerik.Web.UI.Editor.Utils.scrollTo(selectedEl, editor);
						$telerik.$(selectedEl).remove();
					}, 0);
				}
			}
		</script>

Inconsistent behavior between Firefox and Chrome (other browser not tested) when cutting and pasting content within the editor.

We have more advanced cases but I tried to simplify the case here as much as I could.

This has been tested on you demo page at https://demos.telerik.com/aspnet-ajax/editor/examples/overview/defaultcs.aspx

I have tested using Firefox 88 and Chrome 90, both on Widows 10.

Reproduce:
Paste the following content in html-mode:

<p>Lorem ipsum dolor sit amet.</p>
<p>Ut enim ad minim veniam.</p>
<figure>
  <img src="../../images/attractions_LosGigantes.png" alt="Test">
  <figcaption>Image text</figcaption>
</figure>
<p>Excepteur sint occaecat cupidatat non proident.</p>

Switch to designmode.

Mark text, including the dot after veniam until before the first character in Excepteur

Cut

(First difference noted here)

Goto after Lorum Ipsum
Paste

(Second difference here)

First difference:

In Chrome you get:

<p>Lorem ipsum dolor sit amet.</p>
<p>Ut enim ad minim veniamExcepteur sint occaecat cupidatat non proident.</p>

In Firefox you get:

<p>Lorem ipsum dolor sit amet.</p>
<p>Ut enim ad minim veniam</p>
<p>Excepteur sint occaecat cupidatat non proident.</p>



Second difference:

Chrome:
<p>Lorem ipsum</p>
<p>.</p>
<p><figure><img src="https://demos.telerik.com/aspnet-ajax/editor/images/attractions_LosGigantes.png" alt="Test" /><figcaption>Image text</figcaption>
<div>&nbsp;</div>
</figure> dolor sit amet.</p>
<p>Ut enim ad minim veniamExcepteur sint occaecat cupidatat non proident.</p>

Firefox:
<p>Lorem ipsum.
<figure>
<img src="https://demos.telerik.com/aspnet-ajax/editor/images/attractions_LosGigantes.png" alt="Test" />
<figcaption>Image text</figcaption>
</figure>
dolor sit amet.</p>
<p>Ut enim ad minim veniam</p>
<p>Excepteur sint occaecat cupidatat non proident.</p>

Inconsistent behavior between Firefox and Chrome (other browser not tested) when drag and dropping content within the editor.

We have more advanced cases (when this breaks things like totally like cutting a block with image and caption into pieces in Chrome) but I tried to simplify the case here as much as I could.

This has been tested on you demo page at https://demos.telerik.com/aspnet-ajax/editor/examples/overview/defaultcs.aspx

I have tested using Firefox 88 and Chrome 90, both on Widows 10.

Steps to reproduce:
Switch to html-mode and add the following content:
<p>Lorem ipsum dolor sit amet.</p>
<p>Ut enim ad minim veniam.</p>
<p><img alt="" src="../../images/attractions_LosGigantes.png" /></p>

Switch back to wysiwyg mode

Drag the image and drop it in the middle of one of the text lines. I dropped it just after Lorum ipsum.

Result is very different in Firefox and Chrome

Firefox :
<p>Lorem ipsum </p>
<p><img alt="" src="https://demos.telerik.com/aspnet-ajax/editor/images/attractions_LosGigantes.png" /></p>
<p>dolor sit amet.</p>
<p>Ut enim ad minim veniam.</p>

Chrome:

<p>Lorem ipsum<img alt="" src="https://demos.telerik.com/aspnet-ajax/editor/images/attractions_LosGigantes.png" />&nbsp;dolor sit amet.</p>
<p>Ut enim ad minim veniam.</p>

We prefer the behavior in Firefox as it works when having mode advanced blocks than just an image. In Chrome the content is split into the new context and broken.

Tab Strip scroll buttons do not work in RTL mode in Chrome. The issue can be reproduced here:

Tab Strip scroll buttons do not work in RTL mode in Chrome

Video:

http://somup.com/crf3odFFjF

When SmallChange="1" and LargeChange="1" properties are equal, the Labels of the last RadSlider item are not centered on tick.

Code to reproduce:

        <telerik:RadSlider RenderMode="Lightweight" runat="server" ID="RadSlider1"
            Orientation="Horizontal" MinimumValue="0" MaximumValue="30"
            Width="370px" Height="70px" ItemType="tick"
            SmallChange="1" LargeChange="1">
        </telerik:RadSlider>

RadDockLayout cannot persists its state if contains more than 9 docks.

Code to reproduce (if one of RadDocks is removed the state will be persisted properly):

            <telerik:RadDockLayout runat="server" ID="RadDockLayout1" EnableLayoutPersistence="true" RenderingMode="Lightweight"
                LayoutPersistenceRepositoryType="Cookies" LayoutRepositoryID="repID20210406_1">
                <telerik:RadDock RenderMode="Lightweight" ID="RadDock1" runat="server"
                    UniqueName="RadDock1" AutoPostBack="true">
                    <ContentTemplate>
                        dock 1
                    </ContentTemplate>
                </telerik:RadDock>
                <telerik:RadDock RenderMode="Lightweight" ID="RadDock2" runat="server"
                    UniqueName="RadDock2" AutoPostBack="true">
                    <ContentTemplate>
                        dock 2
                    </ContentTemplate>
                </telerik:RadDock>
                <telerik:RadDock RenderMode="Lightweight" ID="RadDock3" runat="server"
                    UniqueName="RadDock3" AutoPostBack="true">
                    <ContentTemplate>
                        dock 3
                    </ContentTemplate>
                </telerik:RadDock>
                <telerik:RadDock RenderMode="Lightweight" ID="RadDock4" runat="server"
                    UniqueName="RadDock4" AutoPostBack="true">
                    <ContentTemplate>
                        dock 4
                    </ContentTemplate>
                </telerik:RadDock>
                <telerik:RadDock RenderMode="Lightweight" ID="RadDock5" runat="server"
                    UniqueName="RadDock5" AutoPostBack="true">
                    <ContentTemplate>
                        dock 5
                    </ContentTemplate>
                </telerik:RadDock>
                <telerik:RadDock RenderMode="Lightweight" ID="RadDock6" runat="server"
                    UniqueName="RadDock6" AutoPostBack="true">
                    <ContentTemplate>
                        dock 6
                    </ContentTemplate>
                </telerik:RadDock>
                <telerik:RadDock RenderMode="Lightweight" ID="RadDock7" runat="server"
                    UniqueName="RadDock7" AutoPostBack="true">
                    <ContentTemplate>
                        dock 7
                    </ContentTemplate>
                </telerik:RadDock>
                <telerik:RadDock RenderMode="Lightweight" ID="RadDock8" runat="server"
                    UniqueName="RadDock8" AutoPostBack="true">
                    <ContentTemplate>
                        dock 8
                    </ContentTemplate>
                </telerik:RadDock>
                <telerik:RadDock RenderMode="Lightweight" ID="RadDock9" runat="server"
                    UniqueName="RadDock9" AutoPostBack="true">
                    <ContentTemplate>
                        dock 9
                    </ContentTemplate>
                </telerik:RadDock>

                <%--The state will be persisted of you comment the dock below--%>
                <telerik:RadDock RenderMode="Lightweight" ID="RadDock10" runat="server"
                    UniqueName="RadDock10" AutoPostBack="true">
                    <ContentTemplate>
                        dock 10
                    </ContentTemplate>
                </telerik:RadDock>

            </telerik:RadDockLayout>

Getting these errors when trying to update spreadsheet cells. Uncaught TypeError: Cannot read property 'offsetWidth' of undefined


The issue is happening even on the demo component when editing a cell:

https://demos.telerik.com/aspnet-ajax/spreadsheet/examples/overview/defaultcs.aspx

Workaround from Admin: 

Load the following script under the ScriptManager:

<script>
    if (kendo && kendo.spreadsheet && kendo.spreadsheet.SheetEditor) {
        kendo.spreadsheet.SheetEditor.fn.activate = function (options) {
            var viewElement = this.view.element, viewWidth, scrollerElement, scrollbarWidth;
            this._active = true;
            this._rect = options.rect;
            this._range = options.range;
            this.cellInput.position(options.rect);
            this.cellInput.resize(options.rect);
            this.cellInput.tooltip(options.tooltip);
            this.cellInput.activeCell = this.barInput.activeCell = this._range.topLeft();
            this.cellInput.activeSheet = this.barInput.activeSheet = this._range._sheet;
            if (viewElement) {
                viewWidth = viewElement.width();
                scrollerElement = viewElement.find('.' + kendo.spreadsheet.View.classNames.scroller)[0];
                scrollbarWidth = scrollerElement.offsetWidth - scrollerElement.clientWidth;
                this.cellInput.element.css('max-width', viewWidth - scrollbarWidth - this.cellInput.element.position().left + 'px');
            }
            this.trigger('activate');
            return this;
        }
    }
</script>

Replicable in Overview demo - https://demos.telerik.com/aspnet-ajax/map/examples/overview/defaultcs.aspx?skin=Material

Setting the font size of RadioButtonsList does not change its all dimensions as stated in the following article:
https://docs.telerik.com/devtools/aspnet-ajax/controls/radiobuttonlist/mobile-support/elastic-design

Code to reproduce the issue:

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
    <style type="text/css">
        .RadRadioButtonList button {
            font-size: 26px;
        }
    </style>
     
</head>
<body>
    <form id="form1" runat="server">
            <telerik:RadScriptManager ID="RadScriptManager1" runat="server"></telerik:RadScriptManager>
       
        <telerik:RadRadioButtonList ID="RadRadioButtonList1"  runat="server"  AutoPostBack="False" Height="196px"  Skin="MetroTouch" RenderMode="Lightweight">   
            <Items>
                <telerik:ButtonListItem Text="Sample1" Value="1"  />
                <telerik:ButtonListItem Text="Sample2" Value="2" />
                <telerik:ButtonListItem Text="Sample3" Value="3" />
            </Items>
        </telerik:RadRadioButtonList>
    </form>
</body>
</html>

When the EnableConfigurationPanel is enabled for the PivotGrid and is being rendered without having data bound to it, the "System.NullReferenceException: Object reference not set to an instance of an object." exception will be thrown.

To replicate the problem, add the following PivotGrid declaration to the page without binding data to it:

<telerik:RadPivotGrid ID="RadPivotGrid1" runat="server" EnableConfigurationPanel="true">
</telerik:RadPivotGrid>

By changing the application's thread Culture to Persian (fa-IR) and the Grid's RenderMode to Lightweight, the application fails with "System.ArgumentOutOfRangeException: Specified argument was out of the range of valid values."

To replicate the error

1. Change the application culture to Persian

protected void Page_Init(object sender, System.EventArgs e)
{
    var culture = new System.Globalization.CultureInfo("fa-IR");

    System.Threading.Thread.CurrentThread.CurrentCulture = culture;
    System.Threading.Thread.CurrentThread.CurrentUICulture = culture;
}

2. Change the RenderMode of the Grid to Lightweight

<telerik:RadGrid ID="RadGrid1" runat="server" RenderMode="Lightweight">
</telerik:RadGrid>

RadButton's focus state styling is missing in Bootstrap.

Steps to reproduce:
1. Open https://demos.telerik.com/aspnet-ajax/button/examples/keyboardsupport/defaultcs.aspx?skin=Bootstrap
2. Focus any of the first buttons using the Tab key
    Result: No focus styles are applied
    Expected: Follow the steps above in Sunset skin

-----------------------------------------
Workaround:

        button.RadButton.rbButton:focus {
            box-shadow: 0 3px 5px rgba(0, 0, 0, 0.125) inset;
        }

We have an issue where the RadEditor context menu for <td> element doesn't get displayed. It throws a "Permission Denied" error. Within <td> the table toolbar is not functional either. 
To reproduce: In an aspx page, create an updatepanel with a LoadContent button, RadEditor and Save button.
1. Click on Load Contents button
2. RadEditor with text "Loaded" will get displayed
3. Insert a table
4. Go to a table cell and verify context menu for td shows fine
5. Click Save
6. Go to a table cell and right click - context menu doesn't show (If you have IE developers tool, you will see "Permission Denied" error.)

ASPx page:
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="server">
    <asp:UpdatePanel ID="upd" runat="server">
        <ContentTemplate>
              <asp:Button ID="btnLoad" runat="server" Text="Load Contents"  OnClick="btnLoad_Click"  />
              <telerik:RadEditor ID="HTMLEditor" runat="server"></telerik:RadEditor>          
                <asp:Button ID="btnSave" runat="server" Text="Save"  OnClick="btnSave_Click" UseSubmitBehavior="false" />
        </ContentTemplate>
    </asp:UpdatePanel>     
</asp:Content>
C# Code:
 protected void Page_Load(object sender, EventArgs e)
        {
        }
        protected void btnSave_Click(object sender, EventArgs e)
        { 
            HTMLEditor.Content = HTMLEditor.Content + " updated";            
        }
        protected void btnLoad_Click(object sender, EventArgs e)
        {
            HTMLEditor.Content = "Loaded";
        }

Good morning,

we have a strange issue using RadGrid with horizontal scroll and frozen columns: there a resizing of the height which gets user experience not the best.

See attached gif.

Could you please help us?

I recently updated my website with the dll patch telerik  provided for the cryptographic weakness:
http://www.telerik.com/support/kb/aspnet-ajax/details/cryptographic-weakness?utm_medium=email

After the update I found that the pages which were using the RadEditor control and several other controls was not loading and throwing this error:
Parser Error Message: Decryption key specified has invalid hex characters.

Several other controls are throwing this error but I cannot delete controls one by one and check which ones are having this problem.

But I checked for the RadEditor and it was throwing this error. Nothing else is there on the page while testing other than this control.
This does not happen on a plain new website and is happening when we have the sql mermbership and machine key configured. We are using passwordFormat as encrypted in sql membership config and cannot remove machine key.
If you got to test it, then test it on some already configured machine key and sql membership website.

I have attached screenshots for this error and telerik dll patch in use currently.

We are on a production server and we need a solution for this issue ASAP.