using version 2.2.8 on my private WP 3.4 and everything is working fine (no errors etc).
The only thing you maybe can optimize, is an option to sort the downloads within a category (embedded with the category shortcode) descending or ascending by ID or name.
At the moment, the newer version (ID 2) is listed after the old version (ID 1) of a software.
This will be very helpful.
Thanks for the good work.