The v3.3.4 update was a minor patch following the major 3.3 "Libra" overhaul. Key features of the 3.3 era included:

A digital e-book by Steven Savile set in the Stellaris universe.

The introduction of new ways to specialize empires, such as the "Idyllic Bloom" or "Anglers" civics.

Unique cosmetic identifiers for the Paradox forums.