No, switch now. If only for the new 'render()' shortcut. For what it's worth, I've upgraded a couple of 1.2 projects to 1.3 and it hasn't caused any problems.

No, switch now. If only for the new 'render()' shortcut. For what it's worth, I've upgraded a couple of 1.2 projects to 1.3 and it hasn't caused any problems. That's anecdotal, and I don't know what, if anything, is supposed to break, but if it's a baby project, better to switch before it gets too big.