These are the changes of ARK: Survival Evolved’s Patch 180.1, grouped into categories for clarity. If not otherwise indicated, they’re quoted from the relevant Steam Thread.

Dino Changes

• Changed bullet/projectile damage multiplier on flyers to 4x rather than 6x

Game Changes

• Unversioned Hotfix: Decreased Cave & Underwater Crystal Resources amounts by 50%

Bugfixes

• Fix for Supply Crates sometimes spawning at the World Origin, which would likely also would mess up players’ ability to move
• Fixed inability to harvest certain resources
• Fixed inability to find “nearby foundations” when building sometimes

(Original Announcement on Steam)

Here are the patchnotes of the previous patch (180.0)