# Rendering Changes in 18.0.0

The Kendo UI for Angular 18.0.0 release introduces changes in the rendering of several components.

## Gantt

* Removed `k-alt` class from the timeline rows.
* Added `div` with class `k-task-draghandle` when dragging a task.

## Grid

* Removed `k-grid-draggable-header` class from the draggable columns.
* Added `k-grid-draggable-header` class to groupable and reorderable Grids.
* Removed `k-grid-header` class from non-scrollable Grids.
* Removed `k-alt` class from the rows.

## Inputs

* Added `k-colorgradient-md` class to the ColorGradient.

## Layout

* Added `k-tabstrip-item` class to the TabStrip items.
* Removed `k-header` class from the TabStrip.
* Added `k-tabstrip-md` class to the TabStrip by default. Depending on the size, other possible classes are `k-tabstrip-sm` and `k-tabstrip-lg`.

## Spreadsheet

* Removed `k-order-1` class from the `k-tabstrip-prev` element and removed `k-order-2` class from the `k-tabstrip-next` element in the sheet.

## Toolbar

* Added `k-toolbar-separator` class to the separator.

## TreeList

* Removed `k-alt` class from the rows.