The AI value exploration treaty way too much.  When they offer it, they expect me to give up a lot.  When they want me to offer it, they are willing to give up a lot.  It doesn’t seem to help a lot, so I think its value should be reduced.

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Problems with Text Information

File Name:  AbilityText.xml
AmphibiousAbility_Dec describes colonizing Water Worlds, but they don't exist in GalCiv4.

File Name:  PlanetTraitText.xml
AquaticWorld_Name is Oceanic.

Solution:  Change Water Worlds in AbilityText.xml to Oceanic Worlds

File Name:  FlavorText_Old.xml
Some conversations depend on one of the races having AquaticAbility, but it doesn't exist.  It is actually AmphibiousAbility.  You can verify this by checking AbilityDefs.xml.  This bug occurs in 2 places in FlavorText_Old.  It can be fixed by changing AquaticAbility to AmphibiousAbility.

Note: the same error also exists in GalCiv3 in FlavorText.xml located in Galactic Civilizations III\DLC\EXP2_Crusade\English\Text

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The following quests happen too often:
Quest_Crime_Syndicate
Quest_Crime_Hero
Quest_Crime_WeaponsNeeded

They are in QuestEventDefs.xml in Data\Gameplay\Events.

Several times I have had planets with 0% approval and 100% crime because these events happen so often.  I had a brief discussion with Derek on Disord about this maybe two weeks ago.  He thought the weight was probably too high.  All three currently have a weight of 500.  I made a mod which changed the weight to 250.  I thought the results were much better.  I'm reporting my results because Derek indicated he would be reviewing the weights and probably adjusting them.  I'm furnishing one data point for the review.

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I think I found the reason the AI never research Universal Translator.

When I meet an alien for the first time, I get a garbled message with a note that I need to research Universal Translator.  I then get the event "A Way to Communicate" that requires me to choose what to do.  If I select the first choice, Universal Translator is immediately added to my tech tree, along with all its subsequent techs.  (I have access to the tech tree.  Don't ask.)  If I select the second choice, several other choices can be made, but Universal Translator will always be added to my tech tree sooner or later.

I tested this in several games where I switched to another race after I met them.  No matter how long I waited to switch after meeting them, Universal Translator was never added to their tech tree.  One time I switched to a race i hadn't met and immediately got the garbled message that I need to research Universal Translator.  However, I did not get the "A Way to Communicate" event like I do when playing normally.

I think the problem is this:  For some reason the race being played by a real live human player gets the event, but all the races being played by the AI never get it.  Since that event is the only way Universal Translator is added to a tech tree, the AI never get it and never are able to research it.

I think its value has been increased because the AI now want to trade for it when they initiate a trade when they used to never ask for it, but this doesn't solve the main problem.

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Pirate shipyards don't produce new pirate ships

The 0.45 change log indicates the pirate shipyards now produce new ships.  I watched a shipyard for a long time to see how often a ship was produced.  None was produced.  Pirate shipyards in GalCiv3 do produce ships, and I am familiar with how the production works due a mod I made that increases production of ships, so I decided to see what was different.  I checked RaceTraitDefs.xml in both games.

For GalCiv4, the Trait_Pirates contains code that is different from PirateBuilding1 in GalCiv3.  Since I know the code in GalCiv3 works, I replaced the code in GalCiv4 with the code in GalCiv3.  After that, the pirate shipyards in GalCiv4 produced a ship about every 11 turns while using the same value of 5.

GalCiv4 code removed:
  <EffectType>ProductionPoints</EffectType>
      <Target>
        <TargetType>Shipyard</TargetType>
      </Target>
      <BonusType>Flat</BonusType>

GalCiv3 code added:
      <EffectType>Military</EffectType>
      <Scope>Global</Scope>
      <Target>
        <TargetType>Shipyard</TargetType>
        <TargetRelation>Self</TargetRelation>
      </Target>
      <BonusType>Flat</BonusType>

Only the lines shown were changed.

I think this needs to be investigated to find out why the GalCiv4 code doesn’t work and the GalCiv3 code does.

Either experience or have should be deleted.

Copernicus needs a comma after it.

DL Bradley needs a comma after it.

"What are yor orders?" should be "What is your answer?"

When a mining or economic starbase gets military starbase added to it, the military starbase indicates +1 to all weapons and defenses, but doesn't indicate what gets the increase.

The starbase doesn't get any increase to its weapons or defenses.  Instead, all ships in the area of effect of the starbase get the bonuses to weapons and defenses.

The information about the military starbase in first screenshot should be updated to show that it is for ships in the area of effect and not for the starbase.

The unlined sentence makes no sense.

They need to make building colors match the colors of the appropriate tiles for bonus's ect.. Make the game easy to understand follow. People coming into the game won't understand why tiles don't corrispond to the bonus.

Also terraforming is backwards.  The first tile that you unlock, can be placed at the tile that has the fewest shared connections.  The latest tiles that you unlock can only be placed with many shared connections.  Therefore making the latest terraforming tiles that you unlock obsolete because by the time you unlock them, you've terraformed all the tiles that shared the most connections.

Because if it works like GC2 or GC3 you can trade for better techs and not have the techs prior.  They would then get the bonus of what they received.

Once you move the resource bar on the top of the screen to the right, how do you move it back to the left to see the credits?  There doesn't appear to be a left arrow to move it back over.

I know that and knew that when I was making that post.  I was so fixated on the substream "problem" that I didn't think about that.  Thanks for reminding me.  I checked the following techs and saw that they offer some good things, so getting only the tech that allows them to move onto streams they can't see can still be a good deal for them.

While the background of nebulas is very pretty, the bright nebulas make it difficult to see the grid. I don't know if the video options can be used to darken the background or brighten the grid, if anyone has any advice I'd appreciate hearing it. Anyway, would it be possible to at least make it so that the background is moddable?

Does "Shipyard Decay" (as in the Resource Extraction Doctrine reduces shipyard decay by 33%) have any meaning in GC4, or is it just an obsolete holdover from GC3? Since in GC4 only core worlds can sponsor shipyards, and each core world has its own, it would seem to be meaningless.