Release v2.4.0.0 · KSP-RO/RP-1

Programs and Contracts

Implement major/minor program support - Programs now cost Slots, and different levels of the Admin building give different total slots. Major programs take more slots than minor programs, which makes taking minor programs less of a net-negative by @NathanKell @ppboyle @norcalplanner in #2074
Reduce confidence cost of Breakneck to be only 2x Fast by @ppboyle
Retune the reputation gain from completing a program early to better reflect the tradeoff by @ppboyle
Better tune confidence gains from optional contracts in later programs by @ppboyle
Disable the Spaceplanes program, it's not ready for primetime yet. Those who currently have the program active won't lose it, however
Remove soft cooldowns from limited completion contracts by @leudaimon in #2068
Fix Lunar Mapper Contracts to require completing the Visual 2 experiment rather than having the camera on the craft by @Teykn in #2083

Change instances of "build" in the UI to "integrate" since what happens with rockets/planes is integrating them, they are presumed to arrive at the space center built. (Yes, this is strange for very early rockets, please bear with us until a manufacturing system is added to RP-1).
Show an estimate on the net difference in salary for integrating a vessel, along with its time and its rollout cost and time. Note that this (along with time) is only an estimate and does not reflect efficiency gain over the course of integrating the vessel. This is net difference in salary because idle engineers aren't free, and this salary cost is not added to rollout cost because it is assumed the engineers would otherwise be occupied anyway when rolling out the vessel by @NathanKell
Show total tooling cost and total unlock credit available in the KCT window in the editor
Properly refresh Electricity mass in the Proc Avionics window when changing SM tank type on a proc avionics part -- Requires RF v15.6 by @siimav in #2084
Add a tooltip to the Plans window when mousing over a vessel name to show its cost
Fix completed optional contracts from completed programs not showing the confidence they granted when looking at them in the Mission Control archives tab
Let players choose to use the latest screenshot instead of an automatic screenshot when creating and showing a Newspaper article. The setting is in the ingame RP-1 UI. By @pap1723

Move the various Sep Motors into Early Solids
Increase the rep cost of changing leaders by @NathanKell
Change Easy and Normal rep multipliers to be more in line with the current rep balance. NOTE: It is recommended players new to PLC (RP-1 v2.x) play on Normal, not Moderate.
Tooling now uses the Unlock Credit system along with parts and upgrades
Fix an issue where recovered planes would claim to not fit in the hangar when being launched or airlaunched due to an issue with RealChute and its size reporting by @NathanKell
Fix Restock Plus stock fairings being included as supported
Add minSubjectsToComplete attribute to CollectScience parameter by @siimav in #2070
Log individual maintenance components & many more costs by @siimav in #2080
Log leader add/removes by @NathanKell

Full Changelog: v2.3.0.0...v2.4.0.0