I need to upgrade my server to PHP 5.3 but have a Magento install and I know that Magento doesn't play nicely with PHP 5.3.
I think that the changes won't be too extensive (from what I've read). But, I figured I would open it up to the SO crowd.
Has anyone done this successfully? If so, did you take good notes?
Looks like they are still in the process of making it compatible:
http://www.magentocommerce.com/boards/viewthread/54158/
If I were you, I would wait for an official release before attempting an upgrade to PHP5.3