whats new in 2.5 beta 1?

[94touring]

Just noticed on my settings page that there is a new version.  What are the new features?  I also read that I am allowed upgrades within the first year of purchase, but see no where to upgrade if I wanted to. 

[SMFHacks]

Download link:
http://www.smfhacks.com/index.php/topic,825.0.html

Early beta release but here is the changes so far
2.5beta 1 Released
!Fixed critical issue with the shopping cart allowing purchasing of items at not the checkout price.
Also includes
+Updated html markup style to improve display for SMF 2.0
+Added setting on view item only to show membergroup price options only if better than the item's price
+Alternate table row styles in different sections of the admin area to make it easier to read
!Fixed bug with meta description for facebook property not escaping quotes correctly
!Fixed price on wishlist page to allow showing custom membergroup price