The correct way to use them is not click the item but the ground at the top
Yes they are busted especially during combat where pathfinding is 1/2
Glad to see I’m not alone with this issue. For what it’s worth, clicking the ground at the top doesn’t work for me.
Haven’t installed the hotfix yet, but the notes make no mention of ladders.
Notable oddity: one vine in the harpy arena *can* be climbed normaly.