Grid not displaying properly

[Dmoney]

The grid is not displaying properly for me the column headers float above the rest of the grid. If I change the window size after the grid has rendered it fixes itself. See screenShot

   
    Ext.regModel('User', {
        fields: [{
            name: 'name',
            type: 'string'
        },
        {
            name: 'title',
            type: 'string'
        },
        {
            name: 'date',
            type: 'date',
            dateFormat: 'n/j h:ia'
        },
        {
            name: 'bio',
            type: 'string'
        }]
    });


    var store = new Ext.data.Store({
        storeId: 'staff',
        model: 'User',

        remoteSort: true,
        proxy: {
            type: 'ajax',
            url: './php/jsonStaff.php',
            reader: {
                type: 'json',
                model: 'User',
                root: 'staffDatabase',
                totalProperty: 'totalRecords'
            }
        }
    });


    store.load({
        params: {
            start: 0,
            limit: 35
        }
    });

    // create the Grid
    var grid = new Ext.grid.GridPanel({
        store: store,
        columnLines: true,
        headers: [{
            text: 'Name',
            flex: 1,
            sortable: false,
            dataIndex: 'name'
        },
        {
            text: 'Title',
            width: 120,
            sortable: true,
            dataIndex: 'title'
        },
        {
            text: 'Last Updated',
            width: 85,
            sortable: true,
            renderer: Ext.util.Format.dateRenderer('m/d/Y'),
            dataIndex: 'date'
        }],

        height: 310,
        split: true,
        region: 'north',

        //   title: 'Array Grid',
        viewConfig: {
            stripeRows: true,
            forceFit: true
        }
    });

[Dmoney]

Changing the height of the gridPanel to 50% instead of a fixed height fixes the problem. Also if I use an array store the above works, but when the data comes from the server and the north panel has a fixed height it displays like shown above.

[Dmoney]

This is now fixed in Beta 2!