I didn't read the who thread, but here we go:
There is no reason why France should NOT be Revolutionary in a WC. It's super OP. The government reforms are amazing (I love the one that gives +1 free to ALL policies). You get +40% force limits, manpower, and the best CB in the game. And more.
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Build Town Halls in every single province. Build State Houses in every single state (once you're overwhelmingly rich), focusing on provinces with paper, glass, and gems (I think gems too don't remember). Even then you'll probably still go over capacity by a lot if you don't use lots of vassals.
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The rev. mechanics are borked. The whole world will turn revolutionary by 1780 and then you're back to 1444 spy-CB or no CB. So there is ABSOLUTELY a reason to NOT go revolutionary as France. Additionaly, force limit, manpower and maintenance reduction is absolutely useless at this point, if you're doing a WC run. If it IS useful for some reason then it probably means you're not in a position to make it... Revolutionary Guard regiments are also pointless at this point because you will stackwipe mostly anything without them at this point either way.
Your rulers will die as well, rendering subject "same dynasty" bonuses moot, and preventing a (minor) chance for auto-annexation through dynasty event, even if you go Empire afterwards, at which point it's basically too late to enforce dynasty because the penalty will stay too big.
The new (and by extent the old) French rev. event tree is fun, but it's a waste of time IMO. What probably is better (I'm currently trying Big Blue Blob to WC) is to NOT go rev. and try get other countries to become rev. to get the counter CB and also keep imperialism CB. Or if you REALLY want to go rev. France then get religious for that CB (I hope it works, I had to switch ideas) and get it as 6th idea at LATEST.
When the estates are removed (Rev. Republic or Rev. Empire) you lose 2 diplo slots.
Spain PU feels vital to French WC. Any vassal over 1000 development (which you do not vassalize early/mid) will be very hard to keep loyal. Luckily by the end of the game, loyalty is not that important.
Also have Naples PU via the mission tree, that also helped a lot. Had Milan and Burgundy PU but Burgundy got auto-integrated and Milan was annexed by me later.
I did a few mistakes (as this is my first WC attempt after 2500h of fun playing):
- Underestimated the value of dismantling HRE no matter the cost early (loans, mercs, instability - doesn't matter. Dismantle HRE ASAP. late game you can ignore AE but not for a long while, and eating up Europe becomes so much easier and will give you a better head start)
- Going revolutionary
- Fed a few vassals too much, making me have to wait a bit longer to annex
- Letting colonial (minor) nations colonize outside colonial zones, making auto-vassalizing colonies more of a hassle
- I let Spain have Sicily before I PUed them and Naples (Naples get permas on Palestine/Transjordan etc. if they core Sicily)
- Went reformed (I have not played much in Europe and did not realize I would not become league leader; had to wait for way too long); thought I had to complete mission tree. I don't know if it would be more useful to do something else but it feels it was wrong. The stability focus is awesome, though.
- Waited a bit too long to fiddle with TC buildings, which meant perhaps less income in total, before I did (fewer merchants and less value/production)
- Vassalized Astrakhan a bit late, meaning they're still at 30% penalty for force religion and something something dynasty
- Underestimated reformed stability+trading in wine+humanism+tolerance bonuses, meaning I could had gone much larger parts of the game with lots of overextention.
Things I think I did right:
- Used vassal mission trees to great effect (Thuringia and Lüneburg, they're the best German vassals considering your start and expansion direction and their mission trees. If you want no interference with perma claims whatsoever, then go for just one. Thuringia is still my vassal at 1780. Novgorod is perfect as vassal after Big Blue Blob, and gives you tons of territory with little mission tree interference, annex them once tree is finished - they even get permas on Lübeck etc. Astrakhan is another vassal and at this very moment in my campaign I think I'll just ignore loyalty. They're at 1100 dev and their permaclaims are just ridicolous (on par with Mongolia) and inspires me to play as them or similar horde at another point. Knights/Epirus/Cyprus/Crete all get good perma claims in Ottoman territory. I did not get them in time before they lost cores. Kiev worked well alongside Astrakhan even though they have some mission tree interference; that did not prevent them getting permas in the opposite directions.
- Vassalized Portugal. They're great for expanding, both due to colonization and mission tree (can interfer with Spain's but still nice). They may also interfer with your own trade companies/bonus merchants. Unfortunately, their colonies got the negative 30% loyalty penalty before I annexed them, but the extra merchants are still nice.
- "Saved" enough countries/OPMs/subjects to get tier 5 defender of faith bonus.
- Kept a good balance of large and small nations so no need for trucebreak (yet)
I'm sure there are more things. But that's everything for now. Not sure if I'll make it, as I did some mistakes and wanted a play that didn't make me hate my life (lol) but I think so. I have to use spies for my last wars, as my vassals won't fabricate everywhere for me/not have perma claims, and everybody's revolutionary. (some states in africa, some areas in Asia remain (Delhi area, North China, Timurid area, half of Japan and most of Manchuria+Korea, most of Majapahit, Ethiopia area and some random areas)
Originally came here too look for rulesets on vassal loyalty and when/if they'll try actively become independent. Now that I think about it, I assume/remember it's at 100% and they'll start forming alliances in between them. They can never even get close to my strength though, not even 50% (without PU's) so it'd be interesting to see if I can just mindlessly feed vassals with permaclaims now and ignore lberty desire. Would be nice
Edit: I went on and on about vassals and mission trees, but forgot one of the most important points I had; some of their mission tree missions require them to be independent to finish, so be wary about that. Some of them requires defender of faith or allies etc. which they can not get as subjects. Spain requires catholisism to finish parts of their trees (because of religious orders in Colombia).