From Changelog “Trees now collapse in a new way: when shot, the trunk can break in half if the shot was powerful enough, and branches fall off when damaged from both shells or ramming.”
I appreciate the effort, to fix the sticky trees or at least tweak them in some way while they do appear to stop interaction with the tank model fairly quickly, it really feels like something else has gone terribly wrong with their physics.
it does looks like they are sliding for a few meters when they should just fall in front of the tank ( yes in front, and this is mainly due to the fact that the immense majority of tree have a root volume similar to their foilage volume, which means that when running over the tree, all the resistence is at the botom of the trunk and not at the top, so trees should fall in front of the tank if the impact is at low speed)