On the bug tracker it’s not marked “Ready to Test”, so I’m not sure they’ve put much effort into it. No response from any dev on the forum. This seriously makes the entire paid expansion unplayable and Squad doesn’t seem to give a shit. I probably will shelve KSP until KSP2 comes out.
There does seem to be a workaround for the bug:
In “\saves\default\persistent.sfs” (your main save) and in “\GameData\SquadExpansion\Serenity\Resources\DeployedScience.cfg”, change the line “ScienceTimeDelay = 60” to “ScienceTimeDelay = 6000000”.
This makes it generate science about once every 50 ingame days, which would be about 8.8 science each time, (as measured with Minmus).