beforeShowDay did not override tooltip propertu after first set.

[samz-me]

$(document).ready(function () {

    var arr = [1406836800000,1409515200000,1412107200000,1414785600000]

    $('#sandbox-container .input-daterange').datepicker({
        format: "dd.MM.yyyy",
        weekStart: 1,
        todayBtn: true,
        autoclose: true,
        todayHighlight: true,
        beforeShowDay: function (date) {
            var dt = date.getTime();
            if (jQuery.inArray(dt, arr) != -1)
            {
                return {
                    tooltip: 'Not available' + date,
                    enabled: false,
                    classes: 'disabled'
                };
            }
            return {
                tooltip: '',
                enabled: true,
                classes: 'green'
            };
        }
    });
});

[webhive]

Confirm it. Same problem.

[shipstar]

It looks like #838 and #1058 both address this issue, in case you still need a fix for it.

[acrobat]

Closing this issue as #838 is merged