feedapi 6.x-1.4

First of all, you should update from 1.3 version because serious bugs were fixed.
If you upgrade a current installation:
After updating the module, please visit update.php and apply the update. This update will fix the built-in content-type (Feed) of FeedAPI which was broken in FeedAPI 1.3. This is maybe not important for you if you do not use the built-in content-type.

Parser Common Syndication requires PHP 5.1.3.
To see the changes, see CHANGELOG.txt in the module main directory.
There are huge changes in the views integration, most important: more fields and filters.