These are the changes of ARK: Survival Evolved’s Patch 208.3, grouped into categories for clarity. If not otherwise indicated, they’re quoted from the relevant Steam Thread.

Bugfixes

• Fixed “Survival of the Fittest” Server crash
• Fixed inaccuracy on clients display of “Repair” cost (where it would show tooltip for a Structure as needing repair but it wouldn’t actually need repair).

(Original Announcement on Steam)

Here are the patchnotes of the previous patch (208.1)