Phaser 2.4.4 timing issue

HTML

<script src="//cdn.jsdelivr.net/phaser/2.4.4/phaser.min.js"></script>
<!-- Use the "External Resources" panel to the left to swap out the Phaser version.

Phaser 2.4.4 exhibits the timing problem: //cdn.jsdelivr.net/phaser/2.4.4/phaser.min.js

Phaser 2.4.3 and below do not: //cdn.jsdelivr.net/phaser/2.4.3/phaser.min.js
-->

JavaScript

var physicsElapsedText;
var deltaText;
var physicsTimer = 0;
var physicsNow;
var tweenNow;
var game = new Phaser.Game(500, 250, Phaser.AUTO, null, {
    create: function () {
        game.stage.backgroundColor = 0xffffff;
        game.add.text(10, 10, 'Counting to 5...');
        game.add.text(10, 60, 'Starting at: ' + Date.now());
        var tween = game.add.tween({});
        tween.to({}, 5000);
        tween.onComplete.add(function () {
            tweenNow = Date.now();
            game.add.text(10, 160, 'Tween complete at: ' + tweenNow);
        });
        tween.start();
    },
    update: function () {
        physicsTimer += game.time.physicsElapsed;
        if (!physicsElapsedText && physicsTimer > 5) {
            physicsNow = Date.now();
            physicsElapsedText = game.add.text(10, 110, '5 seconds elapsed at: ' + physicsNow);
        }
        if (!deltaText && physicsNow && tweenNow) deltaText = game.add.text(10, 210, 'Delta: ' + (Math.abs(physicsNow - tweenNow)), {
            fill: 'red'
        });
    }
});