Slavery's Citizen Birth Production Bonus reduced from 10 to 5.
Added 4 new specialist guilds:
Labor Union (Engineer's Guild)
Provides +10% Improvement Speed
Provides +5% Production in all cities.
Granting +2 Engineer Slots while Workshop provides +1 Gold to these buildings.

National Syndicate (Merchant's Guild)
Provides +5 Gold to any Trade Route Owner originating to or from the city with the National Syndicate.
Provides +1 Gold to Trading Posts/Villages and Custom Houses/Town globally.
Granting +2 Merchant Slots while Banks provide +1 Gold to these buildings.

Federal Institution (Scientist's Guild)
+15% Great Person Generation in the city with the Federal Institution.
Contains 1 Great Work of Writing slot.
Granting +2 Scientist Slots while Public Schools provide +1 Gold to these buildings.

Civil Service (Diplomat's Guild [CSD ONLY])
+1 Delegate in the World Congress
+4 Food in the city with the Civil Service for every friendly City-State, and an additional +6 Food if the City-State is also allied.
Granting +2 Civil Servant Slots while Wire Service provides +1 Gold to these buildings.

Non-Vox Populi can only build one of these, while VP can build three of them accordingly.
Not save-game compatible.

Updated tooltip clearly on Imperialism's Military Tradition.
Confederation now provides +25% Production to Occupied and Puppeted Cities.
Patronage no longer provides city-state rewards modifier bonus.
Patronage now provides +1 Food and +1 Production for every CS friend and an additional +1 Gold if the CS is also an ally.
Slavery now provides +1 Production to Granaries and Markets (Was Monument and Shrine).
Slavery provides 10 Production scaling with era upon a citizen's a birth.
Slavery no longer provides +25% Production to Occupied and Puppeted Cities.
Mechanization no longer reward yields on a citizen's births, but on a construction of a building instead(its production bonus is removed since buildings spawn yields from pre-founded cities allowing you to loop in buildings instantly as fast as possible).

Non-save game compatible.

Retweaked some flavoring.

Non-save game compatible. Wouldn't recommend starting a new game over this.

Version 5 Balance of Power
Civics were never meant to replace social policies as a whole. Appropriate changes has been made to deem it so.

Resistance Turns now scale over game speed(Quick: 1, Normal: 1, Epic: 2[was 1], Marathon: 3[was 2])

Confederation's Unhappiness Penalty decreased from +25%(-4 Unhappiness) to +15%(-3 Unhappiness).
Patronage's Influence Decay decreased from 25% to 15%.
Patronage's City-States Quest Rewards bonus decreased from 15% to 10%.
Representation's Happiness Boost decreased from 6 to 5.
Police State no longer adds happiness to constabularies and military bases.
Police State's Happiness Bonus from Police Station increased from 1 to 2.
Universal Suffrage's Hurry Cost Reduction decreased from -35% to -15%.

Civil Law no longer provides Border Growth Points to Cities.
Vassalage's XP Bonus reduced from +25 to +15.
Vassalage's Citadel GGP bonus reduced from 5 to 3.
Vassalage's Coastal Cities GAP bonus reduced from 5 to 2.
Imperialism's Military Tradition increases a Citadel's GGP by +2. (Vox-Populi Only)
Imperialism's Military Tradition increases a Coastal City's GAP by +3. (Vox-Populi Only)
Bureaucracy's Capital Production and Gold modifier reduced from +100% to +50%.
Nationhood's City CS increase decreased from +30% to +20%.

Slavery now grant +1 Production to Monument and Granary(rather than just +2 Production passively).
Industrial Servitude no longer provides a gold bonus and production bonus to Seaport and Factories, but rather Harbors and Workshop.
Industrial Servitude's Gold and Production Bonus decreased from +15% to +10%.
Industrial Servitude's Strategic Resource Gold and Production Bonus reduced from +4 to +2.
Mechanization's Citizen Birth Bonus reduced slightly.

Ingenious Craft no longer provides extra happiness from luxuries.
Ingenious Craft no longer provide bonuses to Lumbermill.
Ingenious Craft now provides +1 Gold to its associated improvements.
Mercantilism's No Unhappiness from Specialists reduced from 3 to 2.
Mercantilism's Domestic Trade Route Gold Bonus decreased from +4 to +3.
Free Market's International Trade Route Gold Bonus decreased from +5 to +2.5.
State Property now provides cities +10% food and +10% production passively (no more +15% with workshop).
Corporatism's Corporate Office Bonus reduced from +15% to +10%(Franchise bonus still the same).

Ancestor Worship's Tech Requirement moved from Pottery to Calendar.
Ancestor Worship no longer provides citizen birth bonus.
Ancestor Worship provides Shrine +1 Culture and Monument +1 Faith.
Ancestor Worship provides 15 Golden Age Points upon expending a Great Person that scales with era.
Organized Religion's religious buildings no longer provide happiness.
Organized Religion no longer benefits Shrine.
Organized Religion's Faith Bonus on Temple increased from +1 to +2.
Organized Religion's Majority Religion Bonus reduced from +5 to +2.
Theocracy's Majority Religion Bonus reduced from +5 to +3.
Theocracy no longer provides units +15% Combat Strength.
Theocracy provides units +5 HP healing in friendly territories.
Pacifism's GPP Bonus reduced from +100% to +50%.
State Atheism's Culture Bonus in Cities reduced from +5 to +4.
State Atheism no longer provides religious unrest (Vox-Populi, but yet should have been obviously done)

Non-save game compatible.

Same thing. I'm sure this should be the last hot-fix.

Save-game compatible.

Save-game compatible hotfix.

Was related to weird diplomacy values.

Version 4 (Public Opinion Sways the Favors of Many)

Civics now will incur diplomatic opinion with many differing based on historical encounters among similar civics and different civics. (That means different civics can now incur penalties instead of 0 now!)
These diplomatic opinion will be displayed in the tooltip.
Usually all civics have a bias of differences and similarities:
Default Bias: +1/-1 (Default Civics only have this)
Weak Bias: +3/-3 (Similar civilizations would prefer to have this, but different civilizations do not hate this form of rule)
Moderate Bias: +5/-5 (Similar civilizations would most love each other, but different civilizations will have a hate toward this form of rule)
Strong Bias: +7/-7 (Similar civilizations need this to stick together, but different civilizations will develop an unfavorable dislike for this rule)

Confederation's Gold Bonus increased from 15% to 20%.
Vassalage now reduces unit maintenance by 25%.
Theocracy's cities following the majority religion's food bonus is now a gold bonus.
Pacifism now increases unit maintenance by 100%.
Pacifism now provides cities following the majority religion +5 food.
State Atheism now provides +5 Culture in all cities.
State Atheism now provides +1 Happiness to Monuments.

Not save-game compatible.

Fixed Ingenious Craft's tooltip.
Civilizations adopting Mercantilism are unable to trade with foreign civilizations, however foreign civilizations are able to trade with Mercantilist civilization(Mercantilism used to prevent all foreign trade routes)

Completely save-game compatible!

Civil Law's Golden Age Point Bonus reduced significantly(many civilizations were going golden ages really fast after the previous buff)
Ingenious Craft Reworked(+1 Happiness for each owned luxury, +1 Golden Age Points to Lumbermills, Quarries, Fishing Boats, Pastures, Plantations, and Camps Overall, this civic shouldn't be becoming the late game civic but rather just an early civic to jumpstart your empire)
State Property's Corporate Office penalty now also divides over Corporate Franchises as well(made sure the AIs who just took it for food and production bonuses were also penaltized if their cities were being franchised all over their nation)
Corporatism's bonus now divides over Corporate Franchises as well(made sure the AIs who didn't own corporations could benefit from the civic through franchising)
Ancestor Worship citizen bonus marginally reduced(made a fast religion for those civilizations who could adopt it, but this change would slow the religion creation yet would still increase it)

Non-save game compatible.