# Tree Grid Release Notes ## 2.29.0 ### Fixed - Resolved an issue where a white background box appeared on mouseover of a cell if any column rendered with a custom component like button. The fix applied in the context of `slds-cell-wrap` class is now applicable by default. ## 2.27.0 ### Fixed - Resolved an issue where a white background box appeared on mouseover of a wrapped cell. This fix applies only to any cell with the `slds-cell-wrap` class. ## 2.7.0 ### Added - Checkboxes in the left most column were added to multi select tree grids - Multi select tree grids now require `aria-multiselectable="true"` applied to the `table` element. - Multi select tree grids now require `aria-selected` to be set to `false` on every row that is not selected - Single select tree grids were added as examples - Headless tree grids were added - Borderless tree grids were added ### Changed - Tree grid now aligns better with the lightning component, which is an extension of [Advanced Data Table](https://www.lightningdesignsystem.com/components/data-tables/?modifiers=.slds-table_bordered&variant=advanced).