RockPaperShotgun reports that Endless Space 2 & Endless Legend will have new expansions on January 24th called Penumbra and Symbiosis respectively.
More information.
Thanks Farflame!
Endless Space 2 - Penumbra introduces the long-awaited hacking feature, invisibility and the community-created faction: the Umbral Choir.
Endless Legend - Symbiosis brings forth new colossal beasts called Urkans as well as a brand-new faction: The Mykara.
More information.