[update] what's new for v8.4

Author: mafanya23

docs/whatsnew.md

@@ -11,15 +11,15 @@ Before updating DHTMLX to the latest version, please check the [Migration to New
 Version 8.4 
 ------------------
 
-Released on July X, 2024
+Released on July 16, 2024
 
 <a href="https://dhtmlx.com/blog/dhtmlx-suite-8-4/" target="_blank">Review of the release on the blog</a>
 
 ### New functionality
 
 #### Chart 
 
-- The ability to [specify a template for showing values for data items on the Pie, Pie3D and Donut charts](chart/customization.md#adding-template-for-percent-values)
+- The ability to [specify a template for showing values for data items on the Pie, Pie3D and Donut charts](chart/customization.md#adding-template-to-values-of-data-items-in-pie-and-donut-charts)
 - The ability to [add the header/footer for an exported PNG/PDF file](/chart/api/export/chart_png_method/) 
 
 #### Combobox
@@ -53,13 +53,14 @@ Released on July X, 2024
 
 ### Fixes
 
+- Grid/TreeGrid. Fix an issue related to updating sizes according to the parent container
 - Navigation. Closing the menu on click in the "click" navigation mode for Toolbar, Menu, Sidebar, Ribbon
 
 ### New samples
 
 - Combobox. [Groups in the drop-down list](https://snippet.dhtmlx.com/sk7q5wvl?tag=combobox)
 - Combobox. [Editing/deleting options](https://snippet.dhtmlx.com/xd511ci5?tag=combobox)
-- Grid. [Editing with a Colorpicker editor](https://snippet.dhtmlx.com/z2c4sfnn?tag=grid)   
+- Grid. [Editing with a Colorpicker editor](https://snippet.dhtmlx.com/z2c4sfnn?tag=grid) 
 - Grid. [Editing with a Grid editor](https://snippet.dhtmlx.com/7b2vb9mu?tag=grid)
 - Tabbar. [Tooltips on tabs](https://snippet.dhtmlx.com/o5x1e3i8?tag=tabbar)
 - TreeGrid. [Editing with a colorpicker editor](https://snippet.dhtmlx.com/tx89igxr?tag=treegrid)