The devs from Paradox have announced today the release of the last patch for Millennia, the 8th patch.
The patch itself is overall minor, includes a range of bug fixes, added some things for modding support, and fixed some localization issues. You can discuss this patch with us here.
At the same time, Millennia is also currently on sale, with the base game being 50% off for 19.99. The DLCs have discounts as well.