You can always see ALL changes to each product at their Upgrade page.
For Hoster, it is
http://www.mtu.com/upgrades/hoster.htm.
The easiest way to remember how to find it is:
1. Go to
http://www.mtu.com/
2. Click the Support nav link at the page top
3. In the "Upgrades" column, click the Video Hoster link to go to the page URL given above
When we do an intermediate release versus a LARGE new feature set release, there are usually several "bugs", "upgrades" and some simple "new" features added. 