To enable the patch, please do the following:
Steam
Select Galactic Civilizations IV from your Steam Library list.
Right-click and select "Properties."
Select the BETAS tab.
From the dropdown, select "Insider" and click Close. If you don't see this option, restart Steam.
Steam should pull down the changed files; if you ever want to return, do the same as above but select "default."
Epic
Open the Epic Launcher
Select "Galactic Civilizations IV: Supernova - Insider's Edition"
Install and play!
Epic does not currently support old version downloads.
Please note: The opt-in (Insider Build) is an early preview of the next update, and you might experience bugs or other issues.
Core
Fixed a memory leak in the ship graphics.
Update Civilization UI Colors after selecting a civilization.
Fixed crashes.
Gameplay
Battles
Reduced rubber-banding movement of fighters.
Fixed issue where "Predictive Targeting" range bonuses were not applied in the tooltips in the Ship. Design screen. This gave the impression that the Battle Viewer results were incorrect.
Disabled the "Armor Progress" bar in the HUD to reduce clutter.
Events
Handled edge case where selecting "decide later" doesn't let you select later.
"Exotic Alien Lazy Genius Fever": Fixed the tooltips to display the correct data.
"Divine intervention": the "accept" option now correctly applies to the income penalty.
Factions spawned by events (e.g., Xendar and Thalans) are no longer missing their portraits on the Diplomacy Screen.
Misc
Fixed an issue that prevented you from changing Victory conditions during the middle of the game.
Teleporting a ship too far would no longer cause a stuck turn.
Fix for Stuck turn caused by missing subspace anomaly.
If you capture an opponent's shipyard, the opponent ships are now ejected to a valid tile.
Changed the "Manufacture Population" project to rely on the Citizen Type instead of the Civ's Biology Type.
Telescope Takeover now shows its area of effect.
Missions
CTRL+N to re-roll the game map is now disabled in missions.
In the tutorial, the spawned pirates are now marked with event entry and a map marker so they are easier to find
MP
Fixed a problem that prevented you from re-watching battles.
Fix for auto-explore lag in multiplayer.
Watching a battle no longer messes up the turn-timer.
The turn timer no longer gets stuck when replaying battles in MP.
Setup buttons no longer shift around when starting a multiplayer game after exiting another game.
Graphics
Point Lights: Added point lights to Starbases and Terror Stars.
Point Lights: Added animated fade in and out.
Fixed missing graphics when attacking a Mining Starbase.
Fixed rendering issues with the ship icons in the Invasion screen that were causing red squares.
Text
Updated Russian, French, Chinese.
Removed the reference to Hyperion Shrinker being a Galactic Achievement.
Text updates to correct Typos.
Updated Antimatter Bomb tooltip text to match its actual game effects.
UI
Update Ideology Discount Icon.
Planet Screen:
If an improvement requires a type of terrain, it will not show bonuses to tiles not of that terrain while showing 0 or higher on those of that terrain type.
The governor's name appears correctly in a single line.
Resolve the clipping issues on the Executive Order popup card.
Removed the "Manage" button from the "Stacked Ship" bar as it is no longer used.
Fix the floating, nonfunctional scrollbar in the Diplomacy window.
Fixed objects sometimes missing tooltips when you mouse over them.
Moved "mission ship complete" popups into the GNN alert system instead. This change prevents spam of "Treasure Hunt" complete dialogs in the late game.
Culture Progression Screen: The "Citizen with this Ideology" percentage is now calculated correctly, mostly by removing dead people from the count…
Starbases:
Fixed invalid modules appearing in the upgrade list.
Stat tooltips are no longer missing or cut off.
No longer display duplicate "Produce Module" unlock labels.
Civilization Creator: Fixed a case that prevented you from editing the Civilization's personality.
Ship Designer:
Components should appear disabled if they don't fit on the ship.
Removed multi-select behavior from component lists since they were nonfunctional and just caused other bugs.
Victory Screen:
Updated ranks to be stacked so that faction names can be longer.
Fixed overlapping and alignment issues on text and goals.
Fixed weird half-circles in the Tiny UI scale.
Tales of Centauron DLC
You no longer need to be online to complete the Korath mission.