Developer diaries
Developer diaries are articles, sometimes accompanied by videos, published by Paradox to describe the game design in detail.
Domination[edit | edit source]
All developer diaries about the Domination immersion pack and patch 1.35.
- Patch 1.35
No. | Title and Link | Description | Date |
---|---|---|---|
12 | 1.35 Balance and Modding | Balance changes and usermodding additions for patch 1.35 | 2023-03-21 |
11 | 1.35 Free Content & Gov Mechanics | New government mechanics, great projects, holy orders, naval doctrines, and other content for patch 1.35 | 2023-03-14 |
10 | All Blue | New content for Portugal, Prussia, and Korea | 2023-03-07 |
9 | Monarchy of Great Britain | New content for Great Britain | 2023-02-28 |
8 | Crown of Iberia | New content for Spain | 2023-02-21 |
7 | Empire of France | New content for France | 2023-02-14 |
6 | Tsardom of Russia | New content for Russia | 2023-02-07 |
5 | Shogunate of Japan | New content for Japan | 2023-01-31 |
4 | Ottoman Empire 1.35 | New content for the Ottoman Empire | 2023-01-24 |
3 | 1.35 Emperor of China | New content for China | 2023-01-17 |
2 | Unit Pip Rebalance | Rebalance of unit pips for patch 1.35 | 2022-12-20 |
1 | Roadmap to 1.35 | Roadmap for development of the next update, along with the introduction of new idea groups and changes to old idea groups | 2022-12-13 |
Lions of the North[edit | edit source]
All developer diaries about the Lions of the North immersion pack and patch 1.34 (aka Sweden).
- Patch 1.34 (Sweden)
No. | Title and Link | Description | Date |
---|---|---|---|
21 | 1.34.5 | Minor patch to facilitate the launch of Europa Universalis IV on GOG | 2022-11-23 |
20 | 1.34.4 Sweden is now LIVE! | 1.34.4 changelog | 2022-10-13 |
19 | 1.34.3 Sweden Changelog | 1.34.3 changelog | 2022-09-22 |
18 | Post Release & Norse Easter Egg | Questions about Norse content in Lions of the North | 2022-09-20 |
17 | 1.34 Sweden Changelog | 1.34 changelog | 2022-09-06 |
16 | 1.34 Achievements | New achievements, modding additions, and idea group changes for patch 1.34 | 2022-08-09 |
15 | Scandinavian Unit Models | Scandinavian Unit Pack reveal | 2022-08-02 |
14 | 1.34 Monuments | Eight new monuments, idea groups and policies rebalance, crownland and government reform progress, government capacity, and other miscellaneous changes for patch 1.34 | 2022-07-26 |
13 | 1.34 AI Improvements | AI changes and adjustments for patch 1.34 | 2022-07-19 |
12 | Finland | Mission trees and events for Finland and Lübeck along with updated theocracy reforms | 2022-07-12 |
11 | Gotland | Mission tree and events for Gotland | 2022-07-05 |
10 | Commonwealth | Mission trees and events for Poland, Lithuania, and the Commonwealth along with new Winged Hussar units | 2022-06-28 |
9 | Scandinavia | Mission tree, events, and national ideas for Scandinavia along with updated monarchy and republic reforms | 2022-06-21 |
8 | Norway | Mission tree and events for Norway | 2022-06-14 |
7 | The Rise of Sweden | Mission tree and events for Sweden along with new Carolean and Hakkapeliitta units | 2022-06-07 |
6 | 1.34 Denmark | Mission tree, events, and national ideas for Denmark along with new naval doctrines for Rule Britannia owners | 2022-05-31 |
5 | 1.34 Combat | Land combat changes for patch 1.34 | 2022-05-24 |
4 | Riga | Mission tree and events for Riga | 2022-05-17 |
3 | The Livonian Order | Mission tree and events for the Livonian Order | 2022-05-10 |
2 | The Teutonic Order | Mission tree and events for the Teutonic Order | 2022-05-03 |
1 | 1.34 Roadmap | Roadmap for development of the next update | 2022-04-26 |
Origins[edit | edit source]
All developer diaries about the Origins immersion pack, patch 1.32 (aka Songhai), and patch 1.33 (aka France).
- Patch 1.33 (France)
No. | Title and Link | Description | Date |
---|---|---|---|
10 | 1.33.3 France Update Retrospective | Retrospective of patch 1.33 | 2022-04-12 |
9 | 1.33.3 France Hotfix | Patch notes of 1.33.3 | 2022-04-07 |
8 | 1.33 France Update is now LIVE! | Release of patch 1.33 | 2022-03-02 |
7 | 1.33.2 France Open Beta Update | Patch notes of 1.33.2 open beta | 2022-02-22 |
6 | 1.33.1 Open Beta Patch Notes | Patch notes of 1.33.1 open beta | 2022-02-11 |
5 | No DD today + 1.33 Open Beta feedback update | 1.33 open beta feedback | 2022-02-08 |
4 | 1.33 Opt-in Beta Patch now Available on Steam! | Patch notes of 1.33 open beta | 2022-02-01 |
3 | 1.33 Changes + Open Beta | Game balance changes, script debt, and open beta | 2022-02-01 |
2 | Changes to AI in 1.33 | AI improvements and changes to land combat | 2022-01-25 |
1 | New Year, New Dev Diary | Announcement on game balance changes for patch 1.33 | 2022-01-18 |
- Patch 1.32 (Songhai)
No. | Title and Link | Description | Date |
---|---|---|---|
16 | 1.32.2 Songhai is now LIVE! | 1.32.2 changelog | 2021-11-30 |
15 | Reflections and the Future | Post-Origins plans | 2021-11-16 |
14 | 1.32.1 Songhai is now LIVE! | 1.32.1 changelog | 2021-11-15 |
13 | 1.32 Songhai is now LIVE! | Release of 1.32 | 2021-11-11 |
12 | Achievements, Monuments & Balance | New achievements, balance, and performance discussion | 2021-11-09 |
11 | 1.32 Songhai Changelog | 1.32 changelog | 2021-11-04 |
10 | The 'Art of Africa' Theory | New unit models for Origins and new advisor icons for Leviathan | 2021-11-02 |
9 | Judaism & Other African Changes | New mechanics for Judaism and new missions, events, and content for sub-Saharan African nations | 2021-10-26 |
8.5 | Balance Update for the Upcoming Content | Various balance changes regarding content shown in previous developer diaries | 2021-10-21 |
8 | New Missions: Mutapa and Kilwa | Mission trees and events for Kilwa and Mutapa, new formable nations in Africa and one in the Middle East, new estate privileges for Fetishist, Muslim, and Christian nations | 2021-10-19 |
7 | New Monuments | Fifty-two new monuments, with an example for every continent | 2021-10-13 |
6 | New Missions: Kongo | Mission tree and events for Kongo, mission tree and national ideas for Adal, terrain and climate changes for the Horn of Africa, and Cawa units and estate changes for Ethiopia | 2021-10-05 |
5 | Rebalancing Concentrate Development, Institutions, and More | Changes on how institutions work, balance changes for Catholic Curia powers, concentrate development, favors, migration cooldowns, and a new native tribes reform | 2021-09-28 |
4 | New Missions: Ajuuraan and Ethiopia | Mission trees, mechanics, and events for Ajuuraan and Ethiopia | 2021-09-21 |
3.5 | EU4, No Mapchanges and Whys | Reasons for the freeze on map changes | 2021-09-14 |
3 | New Missions: Songhai | Mission tree and events for Songhai | 2021-09-14 |
2 | New Missions: Mali | Mission tree and events for Mali | 2021-09-07 |
1 | State of the game, metrics, and future plans | Metrics, state of the game, and roadmap | 2021-08-24 |
Leviathan[edit | edit source]
All developer diaries about the Leviathan expansion and patch 1.31 (aka Majapahit).
- Patch 1.31 (Majapahit)
No. | Title and Link | Description | Date |
---|---|---|---|
43 | 1.31.5 Majapahit is now LIVE! | 1.31.5 changelog | 2021-07-08 |
42 | New Monuments Chosen for 1.31.5 | 6 new monuments and one replacement for users with Leviathan DLC | 2021-06-08 |
41 | 1.31.4 Majapahit is now LIVE! | 1.31.4 changelog | 2021-06-03 |
40 | PDXCON Q&A with Tinto - Transcript! | Q&A transcript from PDXCON | 2021-05-27 |
39 | New Monuments for 1.31.5 | Candidates for new monuments | 2021-05-24 |
38 | 1.31.3 Majapahit is now LIVE! | 1.31.3 changelog | 2021-05-12 |
37 | 1.31.2 Majapahit is now LIVE! | 1.31.2 changelog | 2021-05-03 |
36 | 1.31.1 Majapahit is now LIVE! | 1.31.1 changelog | 2021-04-28 |
35 | 1.31 Patch Notes & The Future of EU4 | Bug fix discussion and patch notes | 2021-04-20 |
34 | War Canoes & Unit Renders | New ship type for tribes and primitives and unit renders for Southeast Asian countries | 2021-04-06 |
33 | Favors Part 2 | Seven new favor mechanics and changes to two old favor mechanics | 2021-03-30 |
32 | Colonial Nations | Variations on colonial nations | 2021-03-09 |
31 | Centralize State | New "Centralize a State" mechanic | 2021-03-02 |
30 | Concentrate Development | New "Concentrate Development" mechanic | 2021-02-23 |
29 | Australia | An overview of the new missions, provinces, tags, national ideas in Australia, and new Alcheringa religion | 2021-02-16 |
28 | Monuments | Great monuments | 2021-02-09 |
27 | Draft Transports | New "Draft Transports" action; changes about Plutocracies | 2021-02-02 |
26 | North American Tags | New missions and events for North American tribes | 2021-01-26 |
25 | Regencies | Improved regencies | 2021-01-19 |
24 | Polynesia | An overview of the new tags, missions, mechanics, and events for Polynesia | 2021-01-12 |
23 | The Philippines | New missions for Tondo, Madyas, and Palembang | 2020-12-15 |
22 | Grandest LAN Post Mortem | Grandest LAN Event | 2020-12-01 |
21 | More Missions | Continuation on First Nation missions | 2020-11-24 |
20 | First Nation Missions | New missions for North American tribes | 2020-11-17 |
19 | Totemism | New mechanics for Totemism and details on Sikh Guru traits | 2020-11-10 |
18 | Survey Results | Survey analytics | 2020-11-03 |
17 | Governing Capacity & UI | Improved interface to identify provinces for courthouses/ statehouses and new "Expand infrastructure" mechanic | 2020-10-27 |
16 | Sikh & Zoroastrian | Zoroastrian and Sikh unique features | 2020-10-20 |
15 | Favors Part 1 | New "curry favors" action and other flavor mechanic changes | 2020-10-13 |
14 | Naval Rebalance | Rebalance of sailors, ships, and naval combat | 2020-10-06 |
13 | Paradox Tinto | EU4 development moves to Barcelona; new Idea Groups for Hordes, Theocracies, and Indigenous | 2020-09-29 |
12 | Federations & The New World | Revamped tribal federations mechanic, map changes, new tags | 2020-09-22 |
11 | North American Government Reforms | Native government reforms and Native buildings | 2020-09-15 |
10 | North American Natives | A highlight of a new devastation and seasonal migration mechanic for North American tribes | 2020-09-08 |
9 | Lan Xang and Sunda | An overview of the new missions, estate privilege, and religion setup for Lan Xang, Sunda, and minor Maritime Southeast Asian countries | 2020-09-01 |
8 | Pegu and More | An overview of the new missions, events, and mechanics for countries in Burma region | 2020-08-25 |
7 | Vietnam | An overview of the new missions, disaster, and culture setup for Vietnam and Champa | 2020-08-18 |
6 | Brunei, Malacca, and Aceh | An overview of the new missions, estate privilege, and national ideas for countries in Maritime Southeast Asia | 2020-08-11 |
5 | Khmer Empire | An overview of the new missions, disaster, estate privileges, and events for Khmer | 2020-08-04 |
4 | Java | An overview of the new missions, disaster, and events for Majapahit | 2020-07-28 |
3 | Ayutthaya | An overview of the new missions, national ideas, and events for Ayutthaya | 2020-07-21 |
2 | Maritime Southeast Asia | A summary of the province, tag, and culture changes within the Indonesia region | 2020-07-14 |
1 | Mainland Southeast Asia | A summary of the province, tag, and culture changes with a new formable, Siam | 2020-07-07 |
Emperor[edit | edit source]
All developer diaries about the Emperor expansion and patch 1.30 (aka Austria).
- Patch 1.30 (Austria)
No. | Title and Link | Description | Date |
---|---|---|---|
65 | 1.30.6 Changelog | 1.30.6 changelog | 2021-03-17 |
64 | 1.30.5 Changelog | 1.30.5 changelog | 2021-02-16 |
63 | 1.30.4 Changelog | 1.30.4 changelog | 2020-09-09 |
62 | 1.30.3 Changelog | 1.30.3 changelog | 2020-06-23 |
61 | 1.30.2 Changelog | 1.30.2 changelog | 2020-06-16 |
60 | 1.30.1 Changelog | 1.30.1 changelog | 2020-06-09 |
59 | 1.30 Changelog | 1.30 changelog and new sprites (unit models) | 2020-06-02 |
58 | Miscellaneous | Miscellaneous small updates, such as keybinds/shortcuts, allow/block subject growth, minority expulsion | 2020-05-26 |
57 | Achievements | New achievements | 2020-05-19 |
56 | Germany and Lübeck Missions | Mission trees for Germany, the Holy Roman Empire, and Lübeck | 2020-05-12 |
55 | Burgundy | New missions, decisions, and succession crisis for Burgundy | 2020-05-05 |
54 | Bohemia & The Hussites | Hussite faith and its associated content, as well as the new mission tree for Bohemia | 2020-04-28 |
53 | Nation Designer & Revolutionary Mechanics | Custom Nation unit model choices and Revolutionary Zeal changes, introducing the Revolutionary Guard | 2020-04-21 |
52 | Even More Imperial Incidents | Decline of the Hanseatic League, Reformers Protest, and Great Peasants' War; insights into UI development | 2020-04-14 |
51 | Governing Capacity | Governing Capacity and Industrial Revolution Institution | 2020-04-07 |
50 | HRE Reform Changes | New HRE interface, Centralized and Decentralized Reforms, and Empire Balancing | 2020-03-31 |
49 | Catholicism Rework | Curia Coffers, Golden Bulls, and the Council of Trent | 2020-03-24 |
48 | Italian Flavor | Mission trees for Italy and the Papal States; Italian Wars | 2020-03-17 |
47 | Estates and Crown Lands | Estates rework, crown lands, and privileges | 2020-03-10 |
46 | The Kingdom of God | Update to Declare Kingdom of God and Unify Islam decisions | 2020-03-03 |
45 | Mercenary Companies | Update in Mercenary system | 2020-02-25 |
44 | Even More Quality of Life | Introduce new heirs, Core All button, view subject mission trees, and more | 2020-02-18 |
43 | Defender of the Faith Updates | Defender of the Faith updates and Provoke Revolt | 2020-02-11 |
41 | More Quality of Life | Military strength in the war declaration view, "go to" button for events, and more | 2020-01-28 |
42 | Hegemonies | Hegemony Mechanic | 2020-02-04 |
Hegemonies - Version II | A tweaked Hegemony Mechanic, reworked after feedback on the original developer diary | ||
40 | Huge Balance Changes | Government, Territory, Trade Companies, Naval, Land Warfare, Theocracy Government Reforms, and more | 2020-01-14 |
39 | A Small Christmas Teaser | Some and clarifications and more information on the teasers so far | 2019-12-19 |
38 | I'm back! | Johan Andersson returns as a game director to EU4 to work along the current game designer Henrik "Groogy" Hansson | 2019-12-12 |
37 | Vive La Révolution | Total overhaul of revolutionary republics as well as a look at the new Burgundian Succession | 2019-12-03 |
36 | Quality of Life | State tab on the macrobuilder, truce deal screen, Switzerland gameplay | 2019-11-05 |
35 | Polish Days | Improving the economy of the AI | 2019-10-29 |
34 | More Imperial Incidents | Dutch Revolt and Shadow Kingdom | 2019-10-15 |
33 | Farewell From Jake | Jake "DDRJake" Leiper-Ritchie, EU4's game director, summarizes his time at Paradox and bids farewell to all | 2019-10-11 |
32 | Imperial Incidents | Imperial incidents arrive to make the empire feel alive and rife with bickering princes | 2019-10-08 |
31 | HRE Reforms | Changes to HRE reforms and Imperial Incidents | 2019-10-01 |
30 | Strengthening The Pope In Rome | Changes to Catholicism and the Papacy | 2019-08-20 |
29 | Estates Overhaul | Changes to the estates feature | 2019-08-13 |
28 | Mercenary Companies | A focus on the refactored mercenary system | 2019-08-06 |
27 | Savoy | A look on a new trade node in Valencia and Savoyard mission tree | 2019-07-30 |
26 | Hungary | A look on a new trade node in Pest and Hungarian mission tree | 2019-07-23 |
25 | HRE electors | A focus on HRE electors | 2019-07-16 |
24 | Naples | A focus on Naples | 2019-07-09 |
23 | Patch Announcement and Content Teases! | Delay of the European update and next patch to be out post-summer | 2019-07-02 |
22 | Austria, Serbia and Crusader States Missions! | Expanded and updated content for Austria, Serbia, and the Catholic "crusader states" in Greece | 2019-06-25 |
21 | Austria & Balkans Map Updates! | New provinces in the Balkans and Austria | 2019-06-18 |
20 | French Region Missions | Expanded mission trees for France, Provence, and the Low Countries | 2019-06-11 |
19 | France and the Low Countries | France get balkanized, Geneva shows up as a vassal of Savoy, the Low Countries get a new province or two | 2019-06-04 |
18 | Italian Missions | Mission trees and events for Florence, Milan, and Venice | 2019-05-28 |
17 | Italian Map Changes | New provinces and a new Sicilian tag | 2019-05-21 |
16 | German Missions | Mission trees for German states in the upcoming DLC | 2019-05-14 |
15 | Three Hurrahs for Germany | New German and Bohemian provinces; Bavarian events | 2019-05-07 |
14 | The HRE, The Pope and the 4K | UI scaling, changes to the HRE and Catholicism | 2019-04-30 |
13 | Custom Nations | Improvements to custom nations | 2019-04-23 |
12 | Quality of Life | Quality of Life changes | 2019-04-16 |
11 | Tech Debt | Explanation of tech debt, and why it is important to reduce it. A.K.A "Tidying Up with Visual Studio" | 2019-04-09 |
10 | Estates - Past, Present and Future | Small post airing some future ideas for the Estates mechanic | 2019-04-02 |
9 | Mercenaries | Ambitions for game mechanics in the upcoming European Expansion | 2019-03-26 |
8 | Missions! | How mission trees are made and their future development | 2019-03-19 |
7 | The German Map | Diary discussing the possible map changes in Germany | 2019-03-12 |
6 | The Balkan Map | Diary discussing the possible map changes in the Balkans | 2019-03-05 |
5 | France & Italy | Diary covering tentative map changes for the French and Italian regions | 2019-02-26 |
4 | Thoughts on bugfix patch 1.28.3 | Highlights from the bugfix patch and some more user suggestions | 2019-01-22 |
3 | Jake is back and talking about the future | DDRJake talks on what can expected in the next expansion and goes over some user suggestions | 2019-01-15 |
2 | Dev Diaries to resume soon! | The coming weeks and user's suggestions on DD topics | 2019-01-08 |
1 | A look at this year and the future | A summary of the year, about forum suggestions, and the road ahead | 2018-12-18 |
Golden Century[edit | edit source]
All developer diaries about the Golden Century immersion pack, patch 1.28 (aka Spain), and patch 1.29 (aka Manchu).
- Patch 1.29 (Manchu)
No. | Title and Link | Description | Date |
---|---|---|---|
22 | Post Manchu Update | Feedback on the 1.29 "Manchu" update | 2019-09-24 |
21 | Launching the new launcher! | The Paradox launcher to be added to EU4 | 2019-09-16 |
20 | The Manchu Update | Release notes for the 1.29 "Manchu" update | 2019-09-16 |
19 | Final Manchu Update | Japan, Korea, Central Asia, and everything else | 2019-09-10 |
18 | Manchus, Mongols, Missions and Maps | A closer look at the changes in Manchuria and Mongolia | 2019-09-03 |
17 | The Manchu - 1.29 Free Update | Changes to Manchuria, Ming, and much of East Asia | 2019-08-27 |
16 | Fantastic Bits and where to find them | Promised dev diary explaining results of upgrading to 64-bit | 2019-02-19 |
- Patch 1.28 (Spain)
No. | Title and Link | Description | Date |
---|---|---|---|
15 | A short update | Review of 1.28.3, end of Mandate of Heaven free trial and EU4 upgrading to 64-bit in next update | 2019-02-05 |
14 | Upcoming 1.28.3 patch changelog | Changelog for the 1.28.3 bugfix patch and information on monthly free trials for DLC | 2019-01-29 |
13 | Thoughts on bugfix patch 1.28.3 | Highlights from the bugfix patch and some more user suggestions | 2019-01-22 |
12 | A look at this year and the future | A summary of the year, about forum suggestions, and the road ahead | 2018-12-18 |
11 | Patchnotes for 1.28 Update | A sneak peek at Golden Century and update 1.28 patch notes | 2018-12-10 |
10 | Golden Century Feedback & Changes | Integration of older DLC mechanics into the base game | 2018-12-06 |
9 | Achievements and the feedback process | New achievements and addressing player feedback | 2018-12-04 |
8 | Content pack | Eye candy stuff by DDRJake | 2018-11-27 |
7 | Pirate Republics | Pirate Republic government type and mechanics | 2018-11-20 |
6 | Maghreb nations | New focus on content for the nations of the Maghreb and Catholic Iberia | 2018-11-13 |
5 | New missions and idea group | New missions and national ideas for Iberian nations | 2018-11-06 |
4 | Two new features | Naval barrage, flagships, and re-balancing idea groups | 2018-10-30 |
3 | Holy Orders and Colonial Diversity | Establishing Holy Orders, Expulsion of Minorities, new provinces and colonial regions | 2018-10-23 |
2 | AI Updates | mikesc covers the new AI improvements and scripting abilities for modders | 2018-10-16 |
1 | Iberian and North African Map Changes | neondt covers the long-awaited Iberian and North African map update | 2018-10-09 |
Dharma[edit | edit source]
All developer diaries about the Dharma expansion, patch 1.26 (aka Mughals), and patch 1.27 (aka Poland).
- Patch 1.27 (Poland)
No. | Title and Link | Description | Date |
---|---|---|---|
27 | Poland Update and Moving Forward | DDRJake, EU4's game director, on the upcoming hotfix and teasing focus of the future Immersion Pack and patch 1.28 | 2018-10-02 |
26 | The 1.27 "Poland" update 2/2 | Final dev diary for the upcoming 1.27 "Poland" update | 2018-09-25 |
25 | The 1.27 "Poland" update 1/2 | More flavor in the Polish regions, new NIs, event chains and some more government reforms/types | 2018-09-18 |
- Patch 1.26 (Mughals)
No. | Title and Link | Description | Date |
---|---|---|---|
24 | Final Post-Dharma Dev Diary | Post-release support including a hotfix list | 2018-09-11 |
23 | Mughals Update Patch Notes | A sneak preview of the 1.26 "Mughals" patch notes | 2018-09-04 |
22 | Recap of Changes | Recap of the main changes incoming as part of Dharma and the 1.26 "Mughals" patch | 2018-08-28 |
21 | New Achievements | A look at the new achievements coming for Dharma | 2018-08-21 |
20 | Dharma's Content Pack | Elephants coming to a place nearby you in the content pack for Dharma | 2018-08-14 |
19 | Additional Missions and National Ideas | Shedding more light on the new mission trees and NIs coming in Dharma and Third Rome | 2018-08-07 |
18 | Evolving Centers of Trade | Changing the trade setup and the ability to evolve centers of trade | 2018-07-31 |
17 | Balance changes and Bengal National Ideas | A round-up of the balance changes made to existing mechanics in 1.26 so far | 2018-07-24 |
16 | Multiplayer and Indian Siege Graphics | Allowing for players (nations) to team up in multiplayer and new graphics for Indian sieges | 2018-07-17 |
15 | New nations to be formed! | The new formable nations as well as their national ideas | 2018-07-10 |
14 | Climate, Weather and Elephants | Weather mapmode, changes to winter and terrain as well as a new Indian cavalry model | 2018-07-03 |
13 | Two smaller features | Settlement growth and scornful insults | 2018-06-26 |
12 | Audio in the Mughals Update | Franco "Audiomancer" Freda, sound designer at Paradox, on enhancing EU4's audio to today's standards | 2018-06-19 |
11 | Truce Mapmode and Suppressing Rebels | Adding a truce mapmode, as well as an update to the autonomous rebel suppression mechanic | 2018-06-12 |
10 | Charter Trade Companies Investments and Policy Rework | Making Charter Trade Companies more worthwhile for all involved, as well as a rework on Policies to make them all more useful | 2018-06-05 |
9 | Refining Mission Trees: India and Russia | New mission trees for Indian nations as well as the Russian nations in Third Rome | 2018-05-29 |
8 | Estates And The Dharma Expansion | Changes to the (now free) estates system, new estates for India and a new government form for The Cossacks owners | 2018-05-22 |
7 | Mughal Diwans and Charter Trade Companies | Culture assimilation for the Mughals and trade charters to aid the colonizer nations gain a foothold around the world | 2018-05-15 |
6 | Burma, Bengal, and Tibet | Map changes of Southeast Asian area, including Burma, Bengal, and Tibet | 2018-05-08 |
5 | Northern India Changes | The 2nd DD covering the map changes made to India - this time the northern half | 2018-05-01 |
4 | India Map Update | New countries and provinces in India | 2018-04-24 |
3 | Theocracies and Tribal governments | The 3rd part of the exposé on how governments will work in the next expansion | 2018-04-17 |
2 | Republican Reforms | Continuation of previous diary that shows new reforms for republics | 2018-04-10 |
1 | Government Reforms | DDRJake, EU4's game director, talking on completely new system of governments in EU4 | 2018-04-03 |
Rule Britannia[edit | edit source]
All developer diaries about the Rule Britannia immersion pack and patch 1.25 (aka England).
- Patch 1.25 (England)
No. | Title and Link | Description | Date |
---|---|---|---|
12 | Upcoming Hotfixes | Digesting various bug reports and plans further ahead | 2018-03-27 |
11 | England Update | Changelog for 1.25 England Update | 2018-03-19 |
10 | New Achievements | New achievements available for unlocking in 1.25 patch | 2018-03-13 |
9 | Unit Preview | 3D artist Carlberg on New models for Irish minors, Ireland, Scotland, Brittany, revolter tags and a teaser for the music included into the immersion pack | 2018-03-06 |
8 | Naval AI changes and Irish ideas | Tackling issues and solutions with the naval AI along with some new national ideas for even more Irish nations | 2018-02-27 |
7 | Trade Steering, Naval Doctrines and the Low Countries | New diplomatic and peace option, new possibilities for navies and new national ideas for the Low Countries nations | 2018-02-20 |
6 | Unique Missions for the Isles | Unique mission trees added for nations on the British Isles and a modding guide for the new mission system by mikesc | 2018-02-13 |
5 | Innovativeness and Knowledge Sharing | New additions to technology advancement in the Rule Britannia immersion pack | 2018-02-06 |
4 | Anglican Church and Industrialization | A unique Christian denomination to appear on the British Isles and the emergence of "latent resources" | 2018-01-30 |
3 | Mission Trees | DDRjake, EU4's game director, and the tale of the reworked mission system | 2018-01-23 |
2 | Around the English Channel | Trin Tragula, EU4's content designer, details the map changes made to the regions surrounding the English Channel | 2018-01-16 |
1 | 2018 and EUIV | Firebolt speaks on the role of a product manager, immersion packs, and EU4 plans for 2018 | 2018-01-09 |
Cradle of Civilization[edit | edit source]
All developer diaries about the Cradle of Civilization expansion, patch 1.23 (aka Persia), and patch 1.24 (aka Japan).
- Patch 1.24 (Japan)
No. | Title and Link | Description | Date |
---|---|---|---|
21 | The 2017 Christmas wrapper | A look at 2017 and overview of the EU4 team | 2017-12-19 |
20 | Japan Update Changelog | Changelog for the 1.24 "Japan" update | 2017-12-12 |
19 | Performance and balance changes | Late game performance improvements and military balance changes | 2017-12-05 |
18 | Japan and the Philippines | Additional provinces and tags for Japan while the Philippines receive an overhaul | 2017-11-28 |
- Patch 1.23 (Persia)
No. | Title and Link | Description | Date |
---|---|---|---|
17 | Post Release Patch | Post release bug-support in the short term and some planned enhancements in the mid-term | 2017-11-21 |
16 | Persia Update Patch Notes | A sneak preview of the 1.23 "Persia" patch notes | 2017-11-14 |
15 | Additions and achievements | Achievements for patch 1.23 revealed along with the last features of the Cradle of Civilization expansion | 2017-11-07 |
14 | MP streamlined | MP gets several issues sorted with 1.23 - expect a more smooth experience. | 2017-10-31 |
13 | Military tidbits and AI updates | A military mixed-bag of features along with parting words from Gnivom, EU4's AI programmer, accompanied by an overview of future AI improvements and any AI cheats present in 1.23 | 2017-10-24 |
12 | Startup, Missionaries and Modding | Startup screens will detail the nation's situation at game start, missionaries can help in subject lands, and Groogy on extending support for modders | 2017-10-17 |
11 | Cultures and Religions | The addition of cultures and religions to the courtroom as well as special interactions for Mamluk and Iqta governments | 2017-10-10 |
10 | Ottomans Extended | Restoring the Sultanate of Rûm gains access to the "Ottoman Government", itself extended with Pashas and Janissaries | 2017-10-03 |
9 | The Persia Update | A closer look on the changes at the Persian region and introduction of the new "Feudal Theocracy" government | 2017-09-26 |
8 | Tribal Federations | New government mechanics for Tribal Federations infuse changes to the Turkmen sheep nations in the Middle East | 2017-09-19 |
7 | Piety and Muslim Schools | Islam changes move piety between the Mysticism/Legalism extremes and introduces the Muslim Schools of Law | 2017-09-12 |
6 | Trade Policies | Use trade policies to promote profiteering, espionage, diplomacy and religion propagation | 2017-09-05 |
5 | Army Professionalism | Armies get expanded upon with a new "professionalism level" while marching into more "modern" times | 2017-08-29 |
4 | Army Drills | A partial overview of the new setup of trade goods and a peek at the new "Army drill" mechanic | 2017-08-22 |
3 | The Greater Iranian Region | Changes in the Persian super-region and new trade goods to be introduced in patch 1.23 | 2017-08-15 |
2 | Anatolia and the Caucasus | Map and general setup changes coming for the Caucasus and Anatolia regions as part of the 1.23 patch | 2017-08-08 |
1 | Near East Facelift | Changes in the Arabia and Egypt regions for update 1.23 | 2017-08-01 |
Third Rome[edit | edit source]
All developer diaries about the Third Rome immersion pack and patch 1.22 (aka Russia).
- Patch 1.22 (Russia)
No. | Title and Link | Description | Date |
---|---|---|---|
10 | EU4 Sound Effects | David, the sound designer, on complementing the EU4 interface with the right sound effects | 2017-06-27 |
9 | Changing of the Guard | Anna "Anona" Norrevik on changes within the team and introduction of the new project lead Linda "Fogbound" Tiger | 2017-06-20 |
8 | Third Rome Update | The Third Rome (1.22) changelog | 2017-06-13 |
7 | Custom Nation Designer and Achievements | Jake explains the novelties in the nation designer and introduces new achievements (from his balcony) | 2017-06-06 |
6 | Icons and Metropolitans | Jake elaborates on the expanded mechanics for the followers of the Orthodox faith | 2017-05-30 |
5 | Tsardom | New government type comes with new abilities | 2017-05-23 |
4 | Russian and Cossacks Changes | New government types and abilities for the Russian regions in addition to new content for previous expansions | 2017-05-16 |
3 | The Russian Principalities | Trin Tragula, EU4's content designer, reveals setup changes in the Greater Russian region coming in 1.22 | 2017-05-09 |
2 | Bonus Development Diary | Sneak peek at features for 1.22, including Press Sailors subject interaction and changes for blockades, marches, Aristocracy ideas, and Buddhism | 2017-05-05 |
1 | Historical Research | Trin Tragula, EU4's content designer, on the process of historical research done with EU4 and its expansions | 2017-05-02 |
Mandate of Heaven[edit | edit source]
All developer diaries about the Mandate of Heaven expansion, patch 1.20 (aka Ming), and patch 1.21 (aka Hungary).
- Patch 1.21 (Hungary)
No. | Title and Link | Description | Date |
---|---|---|---|
21 | The 1.21 Hungary Update is coming | The 1.21 "Hungary" update changelog | 2017-04-25 |
20 | Hungary and Bohemia | The "Hungary" update will bring some new things to Hungary | 2017-04-18 |
19 | Sailors and Yuan in 1.21 | Let's sneak an early peak at 1.21 | 2017-04-11 |
- Patch 1.20 (Ming)
No. | Title and Link | Description | Date |
---|---|---|---|
18 | Ming Update | The "Ming" update (1.20) changelog preview | 2017-04-04 |
17 | Big Bonus One! | Details on the changes in the 1.20 patch accompanying the Mandate of Heaven expansion | 2017-03-31 |
16 | Breaching that Wall | New "Breach" mechanic, Bankruptcy changes and various UI improvements | 2017-03-28 |
15 | The Diplomatic Macro Builder | Introduction of a vast improvement to perform diplomatic actions | 2017-03-21 |
14 | Shintoism | New mechanics and ideas for Shintoism | 2017-03-14 |
13 | Confucianism | Rework of the Confucian religion | 2017-03-07 |
12 | The Empire of China | Emperor of China | 2017-02-28 |
11 | Tributary States | New subject type for eastern civilizations | 2017-02-21 |
10 | Japan | Changes to Japan, a reworked Shogunate government form and new subject interactions for Daimyo vassals | 2017-02-14 |
9 | State Edicts | New State interface and interactions | 2017-02-07 |
8 | Manchurian Banners | The Eight Banners of Manchu | 2017-01-31 |
7 | Age of Revolutions | After enlightenment comes revolutions | 2017-01-24 |
6 | Age of Absolutism | Absolutism is a new mechanic added for free with the patch | 2017-01-17 |
5 | Age of Reformation | A detailed look at the 2nd age, the Age of Reformation | 2017-01-10 |
4 | Wrapping up 2016 | A look at 2016 and a small teaser for what is to come in 2017 | 2016-12-20 |
3 | Ages of Europa Universalis | The next expansion will bring forth a new system called ages | 2016-12-13 |
2 | Devastation and Prosperity | New values for provinces | 2016-12-06 |
1 | Bits and Pieces | Just released a patch, slow news day | 2016-11-29 |
Rights of Man[edit | edit source]
All developer diaries about the Rights of Man expansion, patch 1.18 (aka Prussia), and patch 1.19 (aka Denmark).
- Patch 1.19 (Denmark)
No. | Title and Link | Description | Date |
---|---|---|---|
24 | 1.19 Beta Feedback | We've reverted the Fort Zone of Control changes planned for 1.19 | 2016-11-22 |
23 | New Unit Models for Vanilla | Carlos shares the story of how he decided to remake the vanilla unit models | 2016-11-15 |
22 | UI Improvements | Interface improvements coming in the "Denmark" (1.19) update | 2016-11-08 |
21 | Fort Zone of Control | Changes to Fort ZoC in 1.19 and some other things | 2016-11-01 |
20 | Denmark | "Denmark" (1.19) update brings enhancements to Scandinavian nations and more rules for AI/player replacement (in MP) | 2016-10-25 |
19 | Post Release Evaluation | What the team like best with Rights of Man + 1.19 teaser | 2016-10-18 |
- Patch 1.18 (Prussia)
No. | Title and Link | Description | Date |
---|---|---|---|
18 | Wrapping Teasers | Last 1.18 teasers: an addition to El Dorado, launcher improvements, 20 new achievements and new national ideas | 2016-10-04 |
17 | Balance Changes in Patch 1.18 | A look at the most important balance changes with a quick explanation on why they were made | 2016-09-27 |
16 | 1.18 updates older expansions | 1.18 brings some overhauls to old expansion features | 2016-09-22 |
15 | Bodycount & Minimap Improvement | Bodycount screens coming at the end of wars, and you can now see armies on the minimap | 2016-09-15 |
14 | Revolutionary Republics Factions | New factions for Revolutionary Republics in the Rights of Man | 2016-09-08 |
13 | Prussian Monarchy | Prussian Monarchy, Disinherit, Abandon PU, Debase Currency and Strengthen Government | 2016-09-01 |
12 | Subjects Interactions | New Military Focuses for Subjects & new Subjects Interface | 2016-08-25 |
11 | Cults | Cults are coming to the Fetishists in the next expansion | 2016-08-18 |
10 | A Queen Regent | Changes to regencies: war declarations and queen regents | 2016-08-11 |
9 | Coptic Holy Sites | A new blessings and holy cities system for Coptics | 2016-08-04 |
8 | Leader Traits | Introduction of traits for land and naval leaders | 2016-06-30 |
7 | The Ottoman Sultanate | The Ottomans get some unique flavor in the upcoming expansion | 2016-06-23 |
6 | Ruler Personalities | The next expansion will introduce character traits to your ruler | 2016-06-16 |
5 | Great Powers | With the next expansion Great Powers will be introduced | 2016-06-09 |
4 | Culture | Changes to how accepted Culture will work in 1.18 | 2016-06-02 |
3 | Technology Groups | Changes to technology groups and technological development | 2016-05-26 |
2 | DLC production | The DLC producer explains the development process | 2016-05-19 |
1 | Future | What do we want from the future of the game? | 2016-05-12 |
Mare Nostrum[edit | edit source]
All developer diaries about the Mare Nostrum expansion, patch 1.16, and patch 1.17.
- Patch 1.17
No. | Title and Link | Description | Date |
---|---|---|---|
13 | Espionage | 1.17 and changes to espionage ideas and fabricating claims | 2016-04-28 |
12 | The Team | Meet the team and get some preview information on bugfixing patch 1.17 | 2016-04-21 |
- Patch 1.16
No. | Title and Link | Description | Date |
---|---|---|---|
11 | Mare Nostrum | The goal with Mare Nostrum | 2016-04-14 |
10 | Timeline and Achievements | Achievements, timeline, Roman Empire formation, new country ideas | 2016-03-31 |
9 | Unconditional Surrender | Unconditional surrender and map sharing | 2016-03-24 |
8 | Condottieri | Condottieri - rent out armies to other nations | 2016-03-17 |
7 | Naval missions | Three new naval missions and changes in naval combat and naval leader pips | 2016-03-10 |
6 | Trade leagues | Trade leagues and changes to mercantilism | 2016-03-03 |
5 | Territories, States and Corruption | Overseas mechanic rework and introduction of Corruption | 2016-02-25 |
4 | Africa Rework | New nations and ideas in Africa | 2016-02-18 |
3 | Espionage Rework | Spy networks | 2016-02-11 |
2 | Naval Reforms | Changes to naval aspects (introduction of sailors) | 2016-02-04 |
1 | Map Changes | Map changes in Ireland and Hungary, Culture changes in Europe and Middle East | 2016-01-28 |
The Cossacks[edit | edit source]
All developer diaries about the The Cossacks expansion, patch 1.14, and patch 1.15.
- Patch 1.15
No. | Title and Link | Description | Date |
---|---|---|---|
18 | Balance and UI Improvements | Changes to Hordes, Spread of Discoveries and UI Improvements | 2016-01-14 |
17 | Bugfixing and balance | Changes to Estates, Diplomatic feedback and Elective Monarchy | 2016-01-07 |
16 | Paradox Pricing Policy | Information about the process used to determine price of expansions | 2015-12-03 |
- Patch 1.14
No. | Title and Link | Description | Date |
---|---|---|---|
15 | Random New World II | Random New World, Provinces and Scenarios, Dynamic Trade Nodes, Dynamic Naming | 2015-11-26 |
14 | New free features | Colonial trade goods, Cultural unions, Multiplayer changes and Achievement browser | 2015-11-19 |
13 | Threaten war and grants cores, claims and provinces | New diplomatic actions for threatening war and granting land to subjects | 2015-11-12 |
12 | Espionage, Spoils of War and Fort's Zone of Control | New espionage actions, distribution of spoils of war, changes in fort's zone of control, and permanent claims | 2015-11-05 |
11 | Convenience and interface improvements | Building directly to armies, constructing in subjects, country view improvements, and macrobuilder improvements | 2015-10-29 |
10 | Diplomatic Feedback | Provinces of interest, attitude, trust and favors, and calling allies | 2015-10-22 |
9 | Native Policies and Colonial Wars | Policies for colonies, colonial wars, and the conceding of colonial areas in peace deals | 2015-10-15 |
8 | Advanced Culture Change, Mercenaries and Naming your Heir | Cultures, naming Heirs, Mercenaries and Blocking Canals | 2015-10-08 |
7 | Estates | Estates system representing internal politics | 2015-10-01 |
6 | Steppe Hordes | Horde Unity, Razing, Tengri, Horde Units, Returning and Selling Provinces | 2015-09-24 |
5 | Ironman and Achievements | Ironman and Achievements Rework, Capital Development Discount, Revanchism | 2015-09-17 |
4 | Areas and Regions | New divisions of the map into areas, regions and super regions; regional naming for enclaves and overseas areas; and coloring of the wasteland provinces for dominant nations | 2015-09-10 |
3 | Victory Cards | Announcement of the new Victory Cards system, which will help to gain score in multiplayer | 2015-08-27 |
2 | Future Nation Designer Improvements | Upcoming improvements for Nation Designer including option to save a nation template | 2015-08-14 |
1 | A Whole Random New World | Announcement of Random New World remake that will be available for all CoP owners | 2015-07-09 |
Common Sense[edit | edit source]
All developer diaries about the Common Sense expansion, patch 1.12, and patch 1.13.
- Patch 1.13
No. | Title and Link | Description | Date |
---|---|---|---|
16 | Loading Screens | List of the existing loading screen, with the announcement of two new ones (Jan Sobieski and Maurice of Nassau) | 2015-08-20 |
15 | Design process | Information about how the new features for the game are designed | 2015-07-02 |
14 | National Ideas | Addition of several missing national ideas planned for patch 1.13 | 2015-06-25 |
13 | Mistakes of the Past | Descriptions of problems with old features: random new world, hotjoin, high altitude lakes | 2015-06-18 |
12 | Unavoidable Technical Problems | Patch notes for 1.12.1 hotfix. Developer explanation of unavoidable technical problems with release major patches | 2015-06-11 |
- Patch 1.12
No. | Title and Link | Description | Date |
---|---|---|---|
11 | Technology, Gold, Maps... A bit of everything! | Changes to technology, economy, forts, and provinces in Europe | 2015-06-04 |
10 | Subject Interaction (part 2) | New interaction with colonial nations and protectorates | 2015-05-28 |
9 | Subject Interaction (part 1) | New interaction with vassals, marches and personal unions | 2015-05-21 |
8 | HRE and Achievements | Revamped authority and reform mechanics for Holy Roman Empire, new achievements | 2015-05-15 |
7 | Peace | New diplomatic actions, new peace options | 2015-05-07 |
6 | Religions | New mechanism for Protestantism and Buddhism religions | 2015-04-30 |
5 | Free Cities of the HRE | Free Cities of the Holy Roman Empire, Remove Electorate, Pause Westernisation, Retire Advisor permanently | 2015-04-23 |
4 | Theocracies and Government Ranks | New devotion system, unique mechanic for theocracies. New government ranks affecting government bonuses and national focus | 2015-04-16 |
3 | Warfare | New mechanics for war, including fort overhauls, new looting mechanics, forcelimit changes, and committed armies | 2015-04-09 |
2 | Parliament and English Monarchy | New government form called English Monarchy. Parliament a new mechanic for constitutional monarchies and constitutional republics | 2015-04-02 |
1 | Tall and Wide development | Province development characteristic (base tax, base manpower, base production) and new building system | 2015-03-27 |
- Other
No. | Title and Link | Description | Date |
---|---|---|---|
13 | Religions of the East | New religion setup for East Asia | 2015-06-03 |
12 | Something with more Meath on it | The Earldom of Meath | 2015-05-27 |
11 | Mighty Sultanate of Hormuz | View of Hormuz with province screen of Yazd | 2015-05-27 |
10 | Trade Routes of Europe | Trade map of Europe with few changes to trade nodes | 2015-05-27 |
9 | Forts Preview | Presentation of 3D models that will be used to represent fort buildings | 2015-05-25 |
8 | Western Mediterranean | Changes in the provinces in the Iberia, Italy and North Africa | 2015-05-20 |
7 | New Revolter Tags | Diplomacy Screens of four new revolter tag nations | 2015-05-13 |
6 | Germans | Map showing all German cultures | 2015-05-13 |
5 | Eastern Europe | Eastern Europe and Poland | 2015-05-06 |
4 | Frozen Rocks in the Atlantic | Sea Tiles changes allowing claims on the Faroe Islands | 2015-05-04 |
3 | Balkan Borders | Changes in the province borders of the Balkan area | 2015-04-29 |
2 | Local Patriotism | New culture split for Italy region | 2015-04-29 |
1 | Square no more... | Shows the region of Prussia with the not square Memel province | 2015-04-22 |
El Dorado[edit | edit source]
All developer diaries about the El Dorado expansion, patch 1.10, and patch 1.11.
- Patch 1.11
No. | Title and Link | Description | Date |
---|---|---|---|
6 | Dynamic Random Nations teaser | Dynamic random nations mode, that creates custom countries instead of using historical ones | 2015-03-04 |
- Patch 1.10
No. | Title and Link | Description | Date |
---|---|---|---|
5 | Treasure fleets and pirate hunting | New treasure fleet mechanic and its associated pirate hunting mechanic, and changes to terrain | 2015-02-19 |
4 | Seven Cities of Gold and Colonial Merchants | Changes to land exploration, caravan power - a new mechanic for inland trade and dynamic historical events for South Americans and Meso Americans | 2015-02-12 |
3 | Inti, Maya and Liberty Desire | Introduction to the Inti and Maya religions, and the changes made to liberty desire | 2015-02-05 |
2 | The Nation Designer | Introduction to the nation designer which enables customized nations | 2015-01-29 |
1 | Nahuatl, Exploration & Treaty of Tordesillas | The mechanics of the new Nahuatl religion, changes to how naval exploration works, and the addition of a system to simulate how the New World was historically divided between Spain and Portugal | 2015-01-22 |
Art of War[edit | edit source]
All developer diaries about the Art of War expansion, patch 1.8, and patch 1.9.
- Patch 1.9
No. | Title and Link | Description | Date |
---|---|---|---|
12 | Disasters, New Ideas and Other Free Features | New disasters system and the idea groups added in the patch | 2014-12-05 |
11 | New Achievements | Information about 20 new achievements that will be added in the patch, mostly focusing on countries that currently lack of unique achievements | 2014-11-28 |
- Patch 1.8
No. | Title and Link | Description | Date |
---|---|---|---|
10 | Achievements, Auto Transport and South America | Tenth dev diary about automated fleet transport, miscellaneous mechanics changes, new achievements and the map changes in South America, East Africa, and south Russia | 2014-10-24 |
9 | Revolutions, 1618 Bookmark and North America | Ninth dev diary about the French Revolution and revolutions in other countries, the 30 Years War bookmark, new historical events and the map changes in North America | 2014-10-17 |
8 | Sorties, Terrain and the Maghreb | Eighth dev diary about the new sortie and terrain mechanics, abandoning idea groups and cores, the change from a supply-and-demand trade system, and map changes in the Maghreb | 2014-10-10 |
7 | Religious Leagues, The Reformation and the Near East | Seventh dev diary about the new HRE and reformation mechanics, and map changes in the Near East | 2014-10-03 |
6 | Client States, Allied Transports and Central Asia | Sixth dev diary about custom client states, allied transports, improved battle displays, and the remapping of Central Asia and Siberia | 2014-09-26 |
5 | Diplomacy, Catholics and Southeast Asia & Indonesia | Fifth dev diary about diplomacy, revamping the Curia, and map changes to Indochina and Indonesia | 2014-09-19 |
4 | Army Builder, Rebel Relocation and China | Fourth dev diary about army management, rebels on islands, and East Asian map changes | 2014-09-12 |
3 | Military Cooperation, Tradegoods & West Africa | Third dev diary about directing allies in war, new trade goods, and West African map changes | 2014-09-05 |
2 | Marches, Unrest & Persia | Second dev diary about vassals, revolts, and Persian map | 2014-08-29 |
1 | Fleets, Autonomy & India | A detailed dev diary of the third major expansion | 2014-08-22 |
- Other
List of new national ideagroups in patch 1.8.
Res Publica[edit | edit source]
All developer diaries about the Res Publica expansion and patch 1.7.
- Patch 1.7
No. | Title and Link | Description | Date |
---|---|---|---|
3 | Elective Monarchy & Rivals | Elective Monarchy explained and changes to rival mechanics | 2014-07-10 |
2 | Dutch Republic & Ideas | Dutch factions added and 3 new idea groups | 2014-07-03 |
1 | Merchant Republics / National Focus | New governmental mechanics | 2014-06-26 |
Wealth of Nations[edit | edit source]
All developer diaries about the Wealth of Nations expansion and patch 1.6.
- Patch 1.6
No. | Title and Link | Description | Date |
---|---|---|---|
10 | Balance Changes | Changes and improvements to mechanics and balance in 1.6 patch | 2014-05-22 |
9 | Policies & Ideas & More | Policies added and expanded climate mechanics | 2014-05-15 |
8 | Free Features #2 | Interface improvements (esp. Macro Build Interface) | 2014-05-08 |
7 | Free Features #1 | Lots of features expanded in the 1.6 patch | 2014-05-06 |
6 | Improved Diplomacy | New rival system and trade related CBs | 2014-04-24 |
5 | Religion | New religion mechanics | 2014-04-17 |
4 | Companies and Canals | Trade company mechanics and buildable canals | 2014-04-10 |
3 | Naval Improvement | New naval mechanics | 2014-04-03 |
2 | Trade Improvements | New trade mechanics | 2014-03-27 |
1 | General Information | Introduction and design goals | 2014-03-20 |
Conquest of Paradise[edit | edit source]
All developer diaries about the Conquest of Paradise expansion, patch 1.4, and patch 1.5.
- Patch 1.5
No. | Title and Link | Description | Date |
---|---|---|---|
10 | Post Mortem diary | Post-release thoughts on CoP | 2014-03-03 |
- Patch 1.4
No. | Title and Link | Description | Date |
---|---|---|---|
9 | Random free stuff! | Features included with patch 1.4 | 2014-01-10 |
8 | Liberty! | Colonial independence mechanics | 2013-12-20 |
7 | Colonial Diplomacy | Colonial diplomatic rules | 2013-12-13 |
6 | Colonial nations | Semi-independent colonies | 2013-12-06 |
5 | A new way of playing | Migrations and federations | 2013-11-29 |
4 | American Progression | New tech system for Native Americans | 2013-11-22 |
3 | The Tribes | New North American native countries | 2013-11-15 |
2 | Exploring a new world | American continent randomization | 2013-11-08 |
1 | Finding Paradise | Introduction and design goals | 2013-11-04 |
Base game[edit | edit source]
All developer diaries about Europa Universalis IV (base game).
- Europa Universalis IV
No. | Title and Link | Description | Date |
---|---|---|---|
0 | Our Vision | Design goals | 2012-08-31 |
1 | The world is at your feet | Map of the world: interface consideration for province shapes, projection, colors, terrain, seasons, and others | 2012-09-07 |
2 | The purge & all cards on the table | Purging outdated systems and new design ideas | 2012-09-14 |
3 | Your envoys are awaiting your orders! | Envoys: diplomats, missionaries, merchants and colonists | 2012-09-21 |
4 | Your Economy is about to change | Income, expenses, stability, no "minting" (as in EUIII), Loans | 2012-09-28 |
N/A | The 3 tiers... | Discussion of the different tiers of countries, and a listing of which countries fall into each tier; the tier of the country determines the amount of developer focus on national events, features and mechanics | 2012-10-03 |
5 | The Return of the Kings | Rulers, monarchs and power, heirs, advisors | 2012-10-04 |
6 | Do you have any idea about it? | Idea groups, national ideas, and ideas interface | 2012-10-12 |
7 | And did those feet in ancient time.... | England and dynamic historical events: War of the Roses and English Civil War, War of Captain Jenkin's Ear and The Muscovy Trade Company; plus national ideas, missions and decisions | 2012-10-19 |
8 | With God on Your Side? | Religion: unique abilities for Catholic, Orthodox, Sunni & Shia, religious unity now visible, and new religion interface | 2012-10-26 |
9 | It's a rich man's world... | Trade system: trade nodes, merchants, trade power, trade mission, supply and demand, trade efficiency, trade range, trade steering, trade income, and mercantilism | 2012-11-02 |
10 | It all belongs to Mother Russia... | Russia: strategic possibilities, dynamic historical events (Time of Troubles, Grand Embassy for westernization), missions and decisions, national ideas; army tradition and navy tradition changes | 2012-11-09 |
11 | The Cost & Reward for Technology | Technology investment and cost, administrative, diplomatic and military technologies defined; along with a related video developer diary | 2012-11-16 |
12 | Dominium Maris Baltici | Sweden: strategic possibilities, dynamic historical events (The Dacke Feud and French Wars of Religion), missions, decisions, national ideas; plus stability changes from EU3 | 2012-11-23 |
13 | FREEEDOM! | Rebels, their causes and mitigation: stability, government types, war exhaustion, and overextension | 2012-11-30 |
14 | Nobody expects the... | Spain: strategic possibilities, events, missions, decisions, and national ideas; plus details on cultural conversion. | 2012-12-07 |
15 | Et tu Brute? | Milan: strategic possibilities, dynamic historical events (Ambrosian Republic, national ideas, and republican tradition as an analogous mechanism for legitimacy for monarchies | 2012-12-14 |
16 | Vive la France! | France: strategic possibilities, national missions, decisions and ideas; also brief notes on harsh treatment to curtail revolts and army morale recovery. | 2013-01-11 |
17 | Honey, don't you want to talk about it? | Diplomacy: new diplomatic interface, opinions and rivals | 2013-01-18 |
18 | Sail away with me! | Portugal: events, missions, decisions, ideas, and a detail on colonization | 2013-01-25 |
18 | Part II - Colonisation Clarification | Colonization | 2013-01-26 |
19 | War has never been so much fun... | Shattering armies, disorganization, combat interface, combat width, flanking, supply limits, attrition, manpower, reinforcement changes, maintenance cost increases. Plus a video: the World Map Trailer. | 2013-02-08 |
20 | A Tale of Two Cities | The republics of Venice, Genoa, and a link to a video interview of Thomas "Besuchov" Johansson, project lead at Europa Universalis IV. | 2013-02-15 |
21 | Leaders & Mercenaries | Land units, naval units, leaders, mercenaries; plus a link to an article at Strategy Informer: Paradox Hands-On Special: Master Class | 2013-03-01 |
22 | A.E.I.O.U | Austria: strategic possibilities, dynamic historical events (The Italian Wars, Privilegium Maius), missions, decisions and national ideas; plus Holy Roman Empire improvements (diplomacy, reforms, elections and wars within the empire) | 2013-03-08 |
23 | Tell me sweet little lies... | Coalitions, relations (improve relations and insults, overextension and coring provinces. | 2013-03-15 |
24 | Heir of Rome | Ottoman Empire: strategic possibilities, events (including a series of events for the provincial system and the Janissaries), national ideas; plus a feature on Westernization | 2013-03-22 |
25 | Anna Karenina | Wargoals, peace options, peace interface; plus April Fool's: "EUIV, The Musical!" (songs to download and a video) | 2013-04-05 |
26 | A smoke and a pancake? | A look at Burgundy and the Low Countries | 2013-04-11 |
27 | An offer you can't refuse | Spy ideas and diplomatic covert actions: fabricate claim, infiltrate administration, sow discontent, sabotage reputation, support rebels, and changes to rebels | 2013-04-18 |
28 | A Kinderegg! Three in one! | Scotland, The Hansa, and the Reformation | 2013-04-26 |
29 | For the Horde! | Province interface and the Hordes of Central Asia: Steppe Nomad government type, separate technology group, automatic casus belli against neighbors, 50% damage modifier for fighting on plains and grasslands terrain and, aside from the Timurids, a set of national ideas; video link to the call to arms | 2013-05-03 |
30 | Four more countries and even more... | The Mamelukes, Persia, Timurids, Oman; video link to the call to arms | 2013-05-10 |
31 | A Point of Honor | Japan: Daimyos and the Shogunate, unification, events, ideas, and a discussion of the new scoring system; plus links to the call to arms and to download the songs of the EU4 musical | 2013-05-17 |
32 | The more the merrier! | Multiplayer changes, including new networking code, hotjoining, matchmaking, standalone servers, improved chat, and AI takeover (of players who drop out); there is also a video link to the "EUIV musical" "Casus Belli" | 2013-05-24 |
33 | Go East! | Ming China: The Mandate of Heaven, faction system, national events and ideas; plus debts and loans; link to the Casus Belli music video | 2013-05-31 |
34 | Unit interfaces and more | Changes to unitview, and the need for military power (MP) for special actions:; also a note on forced march and Berber culture national ideas | 2013-06-07 |
35 | Alt for Norge! | Denmark, Norway, and a brief look at sieges | 2013-06-14 |
36 | Hot States in the Holy Roman Empire | Quick look at the start positions and national ideas of Brandenburg, Bavaria, and Bohemia | 2013-06-20 |
37 | Aragon, Naples and Korea | National ideas for Aragon, Naples and Korea | 2013-06-28 |
38 | Ayutthaya, Viyanagar & Muslim Sultanates | A look at the national ideas major powers in the Indian subcontinent: Ayutthaya, Viyanagar, and the Indian Sultanates | 2013-07-05 |
39 | Divine Tactics | Fleet basing rights, enforce peace, and Christian Theocracies | 2013-07-12 |
40 | What is our mission? | Missions, decisions, achievements and Ironman mode. Plus links to the initial videos of an England game play-through by Quill18 | 2013-07-19 |
41 | What we all waited for! | National ideas of central Europe: Poland, Lithuania, Hungary | 2013-07-26 |
42 | The Crusader Kings II Converter | Article and video developer diary of how the Europa Universalis 4 Save Converter DLC will work; plus saved games will be brought in as a mod | 2013-07-31 |
43 | Artificially Improved | Changes to the Artificial Intelligence (AI), detailing how it makes decisions based on its attitudes for alliances and coalitions, and how it handles its armies in wartime; there is also a brief look at how AI difficulty and handicapping can be set | 2013-08-01 |
44 | Newbie Friendly | Describes changes to the ledger, hints system, production interface, tutorial | 2013-08-01 |
45 | A very small development diary | Demo will be released by the end of the week (10 August 2013); the game will be released on 13 August 2013 at 9 AM Eastern Standard Time (3 PM Swedish time) | 2013-08-05 |
Videos[edit | edit source]
Developer video diaries and developer's let's play sessions on the various expansions.
- Videos
No. | Title and Link | Description | Date |
---|---|---|---|
1 | Developer Walkthrough | Thomas Johansson, project lead for Europa Universalis IV shows off this new game from Paradox Interactive. | 2012-11-09 |
2 | Technology | Changes shown off | 2013-02-13 |
3 | Religion | Delved into in detail | 2013-07-01 |
4 | Exploration | Developer diary from Thomas Johansson about how to colonize as an option for more nimble powers | 2013-07-15 |
5 | Warfare | Project Lead Thomas Johansson describes the nuances of war strategy; A Guide to Conquering Nations the Old-fashioned Way | 2013-07-25 |
6 | Converter Tool Highlights | How the Crusader Kings II-to-EUIV converter DLC will work; saved games will be brought in as a mod | 2013-07-31 |
7 | Conquest of Paradise Livestream Highlights | Project Lead Thomas sits down with Matt to discus the first expansion for Europa Universalis IV | 2013-11-08 |
8 | Conquest of Paradise - Native Americans | Studio Manager Johan Andersson speaks about the new features in the upcoming expansion, Conquest of Paradise; this DD focuses on the expanded gameplay and mechanics for the Native American tribes, including new nations, unique buildings, and nomadic peoples | 2013-12-12 |
9 | The History of Historical Strategy | Highlighting the studio's humble beginnings with its adaptation of Europa Universalis from the tabletop to the desktop, this short film goes on to examine the team responsible for such titles as the Hearts of Iron and Crusader Kings series; games both old and new are shared from the designers' perspective, including a look at what's next for Paradox Development Studio -- their first RPG, Runemaster | 2014-04-30 |
10 | Europa Universalis IV: Wealth of Nations Video Developer Diary #1 | Project Lead Thomas Johansson talk about the features of the upcoming Europa Universalis IV expansion Wealth of Nations , which focuses on trade and how to make the wealth of the world flow into your coffers | 2014-05-16 |
11 | Paradox Live 0010 - The Art of War | Europa Universalis IV, Art of War is coming, lets sit down with Martin and talk about it | 2014-09-13 |
12 | The Art of War - Feature Highlights | We sat down with Wiz to talk about the upcoming expansion for Europa Universalis IV, Art of War | 2014-09-23 |
13 | Europa Universalis IV: Art of War Video Developer Diary | Martin "Wiz" Anward, Project Lead for Europa Universalis IV, explains some of the new tools available to players as they march to war; learn about new diplomatic options, the new powers of rebels and other notable changes | 2014-10-10 |
14 | The Art of War - Features 2 Highlights | There's smoke on the horizon, war is brewing; so here are the highlights for Art of War to get you up to speed on the mechanics in this expansion | 2014-10-20 |
15 | The Art of War - Feature 3 Highlights | We needed to do a third feature presentation for Art of War to cover the final bits that we needed to cover | 2014-10-29 |
16 | Paradox Live 0017 - A reply to Arumba | Earlier this week, Arumba posted a video about how to improve Europa Universalis IV in twelve minor ways; the video can be found here: https://www.youtube.com/watch?v=xAHCRTSGdLw | 2014-11-27 |
17 | Paradox Live 0018 - EUIV Patch 1.9 and free features | We're working on the 1.9 patch for EU4, this patch includes both bug fixes and a content update | 2014-12-04 |
18 | El Dorado - Feature Spotlight | Project Lead Martin Anward describes the new mechanics for Central and South American native states, including three new religions that promise to challenge even the most experienced desktop monarchs; Anward also goes into great detail on the Nation Designer and alternate starting maps that will be available for the first time in Europa Universalis IV: El Dorado. | 2015-02-24 |
19 | Common Sense - Feature Spotlight | In this video, Project Lead Martin Anward gives us his insights of the expansion | 2015-06-04 |
20 | Cossacks - Feature Spotlight | Paradox Walks You Through Major Improvements | 2015-11-24 |
21 | Mare Nostrum #1 - Map Changes & Trade Leagues | DDRJake and BjörnB cover some of the new content in Mare Nostrum | 2016-03-08 |
22 | Mare Nostrum #2 - New Ideas & Timeline | DDRJake and BjörnB cover some of the new content in Mare Nostrum | 2016-03-15 |
23 | Mare Nostrum #3 - Condottieri | DDRJake covers some of the new content in Mare Nostrum | 2016-03-22 |
24 | Mare Nostrum - Feature Spotlight | Johan Andersson goes over the features in the coming EU4 expansion, Mare Nostrum | 2016-03-23 |
25 | Mare Nostrum #4 - Kuba Luba | DDRJake and BjörnB play-test Mare Nostrum as Luba in the new regions added to Africa | 2016-03-29 |
26 | Mare Nostrum #5 - Countdown to Launch | DDRJake play-tests some of the new content in Mare Nostrum just before release | 2016-04-05 |
27 | Rights of Man #1 - Reveal Stream | Johan Andersson and cKnoor l reveal the next expansion for EU4 at GamesCom | 2016-08-19 |
28 | Rights of Man #2 - Institutions, Tech & more | Johan Andersson and DDRJake on the overhauled technology system in EU4 | 2016-08-31 |
29 | Rights of Man #3 - Queens, Regencies & more | DDRJake expands on queens and reworked regency system | 2016-09-07 |
30 | Rights of Man #4 - Great Powers, Subjects & more | DDRJake explains advantages of being a great power and improvements to subjects | 2016-09-14 |
31 | Rights of Man #5 - Leader traits, Copts & more | Johan Andersson and DDRJake on military traits and unique co-op like mechanics for the Coptic religion | 2016-09-21 |
32 | Rights of Man - Feature Spotlight | Johan Andersson goes over the features in the coming EU4 expansion, Rights of Man | 2016-10-07 |
33 | Mandate of Heaven #1 - Empire of China, Tributaries & Manchu Banners | DDRJake goes over the China region and the new mechanics added there | 2017-03-14 |
34 | Mandate of Heaven #2 - Ages | DDRJake and Johan Andersson and the separation of time in EU4 1.20 | 2017-03-21 |
35 | Mandate of Heaven #3 - Diplomatic Macro-Builder | DDRJake on the Quality of life improvement that is the "Diplomatic Macro-Builder" | 2017-03-24 |
36 | Mandate of Heaven #4 - Japan | DDRJake goes over the mechanic changes done in the Japanese region | 2017-03-28 |
37 | Mandate of Heaven - Feature Spotlight | Jake Leiper goes over the features in the coming EU4 expansion, Mandate of Heaven | 2017-03-30 |
38 | Third Rome - Feature Stream | Jake demonstrates the features in the upcoming EU4 immersion pack, Third Rome | 2017-05-30 |
39 | Cradle of Civilization - Feature Spotlight | Jake Leiper details the features in the upcoming Cradle of Civilization expansion and the 1.23 "Persia" update | 2017-10-24 |
40 | Rule Britannia - First Look | Jake Leiper with a first look at EU4's Rule Britannia immersion pack and the 1.25 "England" update | 2018-02-06 |
41 | Rule Britannia - What's New? | Jake Leiper with more details on the upcoming features of Rule Britannia and the 1.25 "England" patch | 2018-02-27 |
42 | PDXCon 2018 - Past, Present, and Future of EU4 | Jake Leiper, Game Director of EU4, talks about the past, the present, and the future of EU4 | 2018-05-20 |
43 | Dharma - Feature Spotlight | Jake Leiper goes over the new features and changes coming in the Dharma expansion and the 1.26 "Mughals" update | 2018-09-04 |
44 | Golden Century - First Look | Jake and Rodrigue with a short look at the new Golden Century immersion pack | 2018-11-21 |
45 | Manchu 1.29 - What's New? | DDRJake and neondt go over all the details in the free 1.29 "Manchu" update | 2019-09-17 |
46 | Europa Universalis 20th Anniversary - The Documentary | Documentary video for the EU franchise's 20th anniversary | 2020-10-22 |
47 | Europa Universalis IV - 8th Anniversary Trailer | Video for EU4's 8th anniversary | 2020-08-12 |
48 | Universalis IV: Tutorial For Complete Beginners with MordredViking #1 - The Basics | Tutorial video for EU4 beginners | 2021-09-30 |