Most speed increase items (including research, shipbuilding and repair) will not affect processes already underway. They only affect newly started projects.
Boosts increase the speed of a particular operation by a certain ratio, rather than reducing the completion time. In addition, this effect will only affect the basic speed.
Boosts increase the speed of a particular operation by a certain ratio, rather than reducing the completion time. In addition, this effect will only affect the basic speed.