A new bug? Or an unannounced change?
I can no longer research level 5 air units , even though the level 4 research is completed. This changed happened today. Yesterday I could and did start 1 research level 5 on another game I started the same day.
I can no longer research level 5 air units , even though the level 4 research is completed. This changed happened today. Yesterday I could and did start 1 research level 5 on another game I started the same day.