There seems to be a generic problem with placement of objects. I've encountered several objects (green icon) and quests which are broken becauase you can't reach them. The latest one (quite annoying) was the ancient battle field. THe problem is that it is placed next to a river and I can't reach it. I can't use lower/raise land because they won' t work on the river. So naturally i can't complete the quest.

There was a second quest broken but due to broken trigger point (it was do this go there and do that; I know that is not very detailed but while I know the  quest location i cannot extract the quest name - will do so if you tell me how; if i put the icon over the quest location it is called 'ancient ruins' but nothing happens when i enter).

Any ways I think some sort of path algorithm needs to run when placing things

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Other than that I've not noiced a huge amount of change from beta 4 to beta 5.