I am using the Grid with a Filter row and I am trying to specify the column input width, but it does not work when using the Boostrap v4 theme.
Please see the following dojos where I added an inputWidth to the OrderID column.
Boostrap v3 theme (works): http://dojo.telerik.com/AmABaV
Boostrap v4 theme (does not work): http://dojo.telerik.com/AsiGi