The check and uncheck event handlers are not working after upgrade to version 3.3.2
Here is the options.
colModel.push({ title: "", dataIndx: "abcd", width: 'flex', align: "center", resizable: false,
type: 'checkBoxSelection', cls: 'ui-state-default', sortable: false, editable: true,
cb: { all: false, header: false, select: true, all: true }
})
;