Mac OS 10.6.3 (Intel) Using nightly build of Webkit: r56669 Open: http://live.twit.tv/ Open a second web page: <http://www.cnn.com/> or <http://www.talkingpointsmemo.com/> Use the mouse to scroll the second page .....the video freezes while scrolling. Release the mouse the video resumes. Using the up and down arrows has no effect. Using Page Up or Page Down has no effect. Audio is not effected. Now try using <www.sfgate.com> or <www.apple.com> as the second web page. Scrolling using the mouse does not freeze the video feed. Using Safari Version 4.0.5 (6531.22.7) does not exhibit this. Playing this video feed in Safari Version 4.0.5 (6531.22.7) while scrolling a Webkit web page (or the other way around) does not exhibit this.