• All Master of Orion holders will receive a handful of -game changing- new features: if you played the old Master of Orion games, several elements on the list will sound familiar to you. And if you didn’t, don’t worry, they will definitely increase the depth of the game and enrich the gameplay experience.
  
  
• 3 new races will be available via DLC: Just when you thought that you have met all the aliens out there, three new empires join the fight for Orion!

Main highlights of the update:

• Mod support (Single Player)
  
• New Pollution mechanics*
  
• New Gravity mechanics*
  
• Improved AI
  
• New interface for Tactical battles

Master of Orion - Patch Notes v51.2

Modding

• Mods can now be used in the game to enrich the experience even more.

General

• New Gravity mechanics:
  
  • Races with Low-G tolerance have a -25% penalty in Normal-G worlds and -50% penalty in High-G worlds.
    
  • Races with High-G tolerance have a -25% penalty in Normal-G worlds and -50% penalty in Low-G worlds.
    
  • Races with Normal-G tolerance have a -25% penalty in Low-G worlds and -50% penalty in High-G worlds.

• New Pollution mechanics:
  
  • Pollution is now generated by Population and Production output.
    
  • New ongoing effect: If pollution in a colony goes up, it pollutes the soil and reduces cells’ food output.
    
  • Pollution Cleanup project is no longer available.
    
  • Biome tolerance and Pollution cleaning from buildings are now flat values.

• Pollution Processor moved to Molecular Compression Technode. Core Waste dump cleaning value increased.

Galaxy Generation

• “Planetary density” added to match options.
  
• Tiny planets added (Updated size chances and Gravity table).
  
• Galaxy generation improved to support the new gravity mechanics.
  
• Monster quantity by galaxy size increased.
  
• New Gravity Tolerance perk influences the player’s Home Planet’s gravity.
  
• Tweaks to better support low gravity planets.

Perks

• Races with Low-Gravity tolerance now have the "Low Gravity Homeworld" perk.
  
• Races with High-Gravity tolerance now have a "High Gravity Homeworld" perk.
  
• Creative perk research bonus increased to +50%.

Animations

• Polished animations and blending of emperors and advisors

Cinematics

• Cinematics now play when defeated instead of the old pop-up
  
• Removed the narrator and subtitles from Custom Race’s cutscenes.
  
• Cinematic cameras, now uses real mesh distances in tactical battles.

AI

• Improved selection of defense points.
  
• Improved evaluation of Declare War On.
  
• Improved how the AI manages space pirates while being at war with other races.
  
• The AI is now better at building bombers.
  
• The AI is better at considering transports for other targets.
  
• Expansionism trait improvements.
  
• Improved invasion by allowing multiple invasion targets at once.
  
• Improved invasion by building troop transports in advance.
  
• Improved invasion by making troop transports move together with all military fleets.
  
• New Planet Rating heuristic for civilizations, now uses estimated outputs.
  
• Racial Grudge is now used in strategic analysis.
  
• Re-balanced pacifist trait in General Strategy to make it more noticeable.
  
• Refactored Racial Grudge so it has degrees and is not binary.
  
• The AI now plays smarter in Cluster Galaxies.
  
• The AI now plays smarter in Huge Galaxies.

Tactical

• Improved opening moves for the AI.
  
• Automatic toggle on a weapon/s when receiving general/weapon focus order.
  
• Tactical Weapons can now be fired manually.
  
• Changed how the AI chooses and changes squadron formation.
  
• New Auto-Pause option on screen.
  
• Reduced cinematic "Missile Cam” occurrence.
  
• Reduced time compression smoothness.
  
• Back end now use the new system for focus fire.
  
• Formations have been rebalanced to make them more meaningful.
  
• New Plasma Web FX.
  
• Clicking on a ship now selects only that ship, double-click selects the whole squadron.

Tactical combat – Balance

• Re-balanced Fighters:
  
  • Fighter Bay size reduced (40 -> 30).
    
  • Bomber Bay size reduced (50 -> 35).
    
  • Heavy Fighter Bay size reduced (60 -> 40).

• Tweaked Tactical Battles Pacing:
  
  • Tweaked Hull Visual Scales
    
  • Increased Max Speed for Most Hulls
    
  • Reduced Rotation Speed for Most Hulls
    
  • Reduced tactical health scale
    
  • Increased CDs on all weapons to keep DPS and Battle Length similar to previous iteration.
    
  • Phasors Damage Nerfed 35 -> 30
    
  • Gauss Cannon Damaged Buffed 35 -> 40
    
  • Pulson Missile Damage Nerfed 50 -> 40
    
  • Zeon Missile Damage Nerfed 70 -> 60
    
  • Energy Absorber CD increased 15 -> 25
    
  • Shield Capacitor CD increased 20 -> 30
    
  • Removed a Redundant Instance of Cooldown on the Pulsar Entry.

UX

• Added Automatic Formation Icon.
  
• Added pulsing animation to "Victory Is Nigh" notification.
  
• Citizen transports can now be built in bulk.
  
• New fully configurable ship mass production picker.
  
• Limited bulk building to 5 ships max.
  
• Added a “below max recommended player” count in the galaxy generation menu, to use as initial value of each galaxy size.
  
• Disable Intro Video Option.
  
• Set the recommended player count instead of the max count when a new galaxy size is selected.
  
• Added Scroll and Close functionality to notifications.
  
• Added new feedback for new pollution mechanics.
  
• Added missing tooltips that add necessary information in the ship design menu.
  
• Improved feedback for Blocking and Guarding commands.
  
• The Guard order can now be issued anywhere.
  
• Added new formations functionality, weapons and specials functionality in the tactical combat interface.
  
• Added status effect icons in the tactical combat interface.
  
• Added tooltip Auto-Pause for tactical battles.
  
• Added Status Effects to the tactical combat HUD.
  
• Numerous tooltips improvements.
  
• Added cost, command points, attack rating, defense rating, armor penetration, and drones system tooltips in the Ship Design menu.
  
• Added new feedback to Economic victory.

Controls – Modifications for “Tobii eye tracking” devices

• Cursor stays on planets when camera is shifting on extended view.
  
• Improved gamepad warp by adding cursor clone.
  
• Look at a planet and push left stick to see tooltip.

GNN

• Added intro animations for GNN
  
• Added New Economic Victory GNN trigger

Master of Orion v49.5 Patch Notes

• [AI] Fix for: The AI seems to ask for too much for a truce even when on the losing side of a war
  
• [Audience] Fix for: Pressing the Enter key repeatedly when opening the trade table locks the accept deal option
  
• [Tooltips] Fix for: Civilian ship construction tooltip not showing in the production queue for certain languages
  
• [Tutorial] Fix for: switching all 3 colonists to production instead of 1 when the advisor asks to buyout the frigate breaks the tutorial flow
  
• [UX] Fix for: Broken notifications due to missing information in old savegames
  
• [UX] Fix for: The game can crash when double-clicking on a defeated race in the Diplomacy window
  
• [UX] Fix for: The scrap widget disappears too fast in Colony Management
  

Master of Orion v49.4 Hotfix Notes

• Fix for: Star Base tooltip says that multiple Doom Stars can be built in certain supported languages
  
• Fix for: Defense Rating displays wrong
  

Master of Orion - Patch Notes v49.3

General

• Added the option to rename a star system when colonizing first or when no other races have colonies in it
  
• The first version of the Master of Orion Game Manual has been released in English. It can be accessed through your game library, or on the Master of Orion store page. Additional language support will be released at a later time.
  

AI

• Enabled extended empire heuristic with colonization information for better colonization decisions
  
• Disabled over-conservative hostiles prediction of pirates in colonization rule so AIs don't stop colonizing for fear of non-existent pirates
  
• AI will now better consider pirate settlements on all neighboring systems
  
• Improved predicted hostiles firepower estimation in order to properly handle space pirates
  
• AIs can now engage neutral fleets inside their empires (defensive engage)
  
• Improved AIs defensive build-up and defensive war strategies
  
• Improved estimation of hostiles presence by properly measuring incoming fleet ETAs
  
• Improved pirates fleets spawning
  

Multiplayer

• Diplomacy: "Reminder/Support/Honor" events are now shown during Audiences
  

Ship Design

• Improved auto-update logic to avoid generating more weapon slots than the ones defined by hull
  

Tactical

• Autocast for Specials is now off by default when taking control. It turns on automatically when choosing Cinematic camera and reverts to its last setting when re-taking control
  
• Updated intros
  

UX

• Added new tooltip to colony widget
  
• Added Colony Events icons to tooltips
  
• Added color coding to Research, Production, Credits, and Food strings
  
• Mouse Cursor is no hidden during the intro movies
  
• The "Confirm" button in the Briefing screen now launches the simulated battle
  
• Diplomacy: Added double-click support to race's thumbnails. Double-clicking on them now launch an audience with that race
  

• Added double-click support to espionage missions selection
  
• Inverted the order of parameters for sabotage report
  

• Revamped tooltips texts to improve readability
  
• Updated Colony Widget Tooltip style
  
• Added more icons for tooltips
  

Optimization

• Several framerate optimizations
  
• Fix for lag spike when zooming
  
• The tech tree should now load faster the first time it is opened
  
• Tactical: Optimized ships textures
  

Visuals

• Revamped stars' visuals to improve clarity
  

Bugfixes

Master of Orion - v48.4.1 Patch Notes

• It is no longer possible to play as a destroyed race in multiplayer by loading a save
  
• Fixed an issue with corrupted save files that could prevent the main menu from loading
  
• Fixed an exception when using TOBII and selecting a fleet
  
• Fixed a crash caused by opening the in-game load screen after deleting all save files
  
• Fixed an issue that displayed the last deleted save information after delating all save files
  
• Fixed a crash during multiplayer games with custom races
  
• Fix for a crash when playing the game with a touch enabled mouse
  
• Fixed an endless turn processing loop caused by using the ESC key to exit any Espionage notification popup
  
• Fix to properly handle invalid custom races
  
• Fixed an issue that caused loss of conrol in Tactical Battles when fighting the Amoeba
  
• Fixed "-1" victory chances when fleet is too powerful for target fleet
  
• Fix for softlock when entering a planet at turn 3 in the Tutorial
  
• Fix for an issue when the game tried to update an already destroyed ship
  
• Added missing techtree tooltip icons
  
• Fix for Tutorial hints not fitting the game area while game Interface is set to Russian
  
• Fix for lobby crash issues related to player names
  
• Fix for several issues in Empire Managment screen