Virtual Development

Mod works for any 1.16.* Version and probably any future one too.

Build taller, stronger, and smarter. Virtual Development (VDev) lets your counties keep growing past the 100 Development limit by converting surplus Dev into scalable, specialized buffs and unlockable infrastructure.

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Translation included in 集成汉化·|收复失地| 翻譯請點擊此處

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When a county hits the vanilla 100 Development cap, new growth normally stops.
This mod changes that, instead of wasting excess Development, your counties can convert it into “Virtual Development” (VDev), which provides stacking, permanent bonuses that scale indefinitely.

Now, VDev comes in multiple specialized types, giving you full control over how your realm develops.

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• Five Virtual Development types
– Normal: balanced, mirrors vanilla bonuses
– Offensive: boosts stationed mma damage and thoughness in all baronies (capped at 100)
– Defensive: boosts garrison, fort level and defender advantage (scales infinitely)
– Health: reduces county danger and improves plague resistance (scales infinitely)
– Infrastructure: improves economy and construction speed and gives control growth (capped at 100)

• Flexible conversion system
– You can choose which VDev type to convert surplus Development into for each county
– Conversion threshold and amount are fully configurable
– Normal VDev can be converted to other VDev types at a cost.

• New building slot system
– Use Normal VDev to buy additional building slots
– Slot cost increases with each purchase, but is configurable

• Five themed normal buildings
– Each costs 25 of its matching VDev type
– Provide powerful, permanent bonuses that stack with other effects

• New Trait that gains xp on conversion
– You and the AI gain the trait when converting for the first time
– Depending on how you develop your realm you get trait track xp

• Safe upgrades
– Updating from older mod versions should work smoothly in existing saves

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• Yearly check: Each year, counties above the chosen threshold are evaluated.
• Conversion: Development is converted into your selected VDev type.
• Scaling bonuses: VDev adds modifiers directly to the county, preserving all benefits while freeing real Development headroom.
• Building integration: Accumulated VDev can be spent on powerful structures or new building slots.

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• No vanilla overwrites — designed for wide compatibility.
• Save-game compatible — can be added mid-playthrough; updates should work safely.
• Safe to remove — removable, though not recommended mid-campaign.

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Game Rules let you adjust:
– Conversion threshold and amount
– Building slot cost scaling
– Chosen VDev type per county for the AI

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Q: Does this change vanilla files?
A: No. It uses scripted effects and modifiers only.

Q: Can I just raise the Dev cap instead?
A: No, the 100 cap is hardcoded in the CK3 executable.

Q: Are the bonuses balanced?
A: They mirror vanilla bonuses but can scale beyond them. So not really.

Q: Can I uninstall mid-campaign?
A: Technically yes, but not recommended.

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• The visible Development number will drop when converted, but equivalent VDev buffs replace the lost value.
• Tooltips might not show total stacked bonuses correctly.

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GitHub — Issues, Source & Feedback[github.com]

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Created by kolumdium.
You’re free to create compatibility patches or translations — just link back to this Workshop page or the GitHub repository. You can also support the mod there.

Special thanks to Pep for all the help on this.
Special thanks to mrtats as well to make this new update work in existing saves with the old mod version.