These are the changes of ARK: Survival Evolved’s Patch 180.2, grouped into categories for clarity. If not otherwise indicated, they’re quoted from the relevant Steam Thread.

Game Changes

• You can now properly attach C4 to enemy structures again (and build tripwires nearby, etc)
• In PvE you can no longer steal food from strangers’ crop plots (Tribe/Owner check)

Bugfixes

• Fixed case where Flyers will fall out of the air if saved in flying state
• Supply crates will no longer get stuck on Trees
• Eliminated the last edge cases with inability to melee attack structures from certain angles
• Fixed floating hands outside of your dino after mounting 🙂

(Original Announcement on Steam)

Here are the patchnotes of the previous patch (180.1)