Using slurpy on upgrade population space limit etc should be pernament.
If I used slurpies 4 time after reset I should have 6+4 available space and next upgrade should cost 25.
Hi, this will be updated in the next patch (v0.12.6) so that population upgrades bought with Slurpies only reset on *devolution* instead of evolution. There does need to be a reset somewhere or various game-breaking things start happening!
Next week you'll have a new one.