[gren]

If you zoom in too much, it's very lagging. Strange, It should be when zooming out (FF 5.0)

[pseudonym]

Zooming out too far on chrome makes the input not show up properly, and occasionally crashes the browser window.

Additionally, after zooming out for a bit, I wasn't able to get back down to the layers I was drawing at before.

[melling]

I think you're running an old version of Firefox. :-)