Well, speaking of audio, there are what appears to be support for some more audio events already programmed but no actual sound was recorded. This is a list based on the TEC Loyalists (some like the TEC Rebels seem to be missing voiceovers some others have).
GameEventSound:AllyTitanQueued ""
GameEventSound:LaunchSquadsDisabledByDebuff ""
GameEventSound:PlayerTitanCreated ""
GameEventSound:PlayerCapitalShipCreated ""
GameEventSound:PlayerStarbaseLost ""
GameEventSound:PlayerFleetArrivedToFleetBeacon ""
GameEventSound:PlayerFleetDeparted ""
GameEventSound:PlayerFrigateCreated ""
GameEventSound:AchievementCompleted ""
GameEventSound:QuestEnded ""
GameEventSound:QuestRejected ""
GameEventSound:PlayerQuestAdded ""
GameEventSound:PlayerQuestCompleted ""
GameEventSound:PlayerQuestFailed ""
GameEventSound:ResearchVictoryStarted ""
GameEventSound:GameStart ""
GameEventSound:CapitalShipLevelUp ""
GameEventSound:MarketBoom ""
GameEventSound:MarketCrash ""
GameEventSound:PlayerCultureFlippedEnemyPlanet ""
GameEventSound:OffensiveMissionDiscovered ""
GameEventSound:MissionDiscovered ""
Sadly there appears to be no extra support for superweapons.
