The 1.10 changelog [PDF] does not even represent all of the changes coming to the game, community manager Marcin Momot said in a post on the game's forums.
Note that Crowns are the main form of currency in , provided you've discovered the right locations.
The update also works with the The Witcher: Enhanced Edition Director's Cut which was released on July 31, 2009.
The new community adventures are available in English only (for the time being)!
Hover the pointer over the harbor you'd to travel to — harbors are represented by little, white anchor icons — and click on it.
You can nudge the control stick at any time to change course (handy when you come to a crossroads) and then let go to let horse auto-pilot take over again.