X4: Foundations has released Patch 8.00, introducing a new diplomacy system that allows players to engage with alien factions, manipulate inter-faction dynamics, and conduct espionage missions. This feature enables players to instigate diplomatic incidents, manage trade disputes, mediate peace negotiations, and address cyber threats, potentially leading to significant changes in faction relationships and the galaxy's landscape. The update has resulted in a slight dip in Steam reviews, with a rating of 76%. Additionally, the Envoy Pack DLC, priced at £7, offers new content including a "stealth-ready" frigate, a new mission chain, a fresh game start, and an additional space sector.