Thank you Dorian, may I ask has this been consistent for you anytime that Space Weapons is researched?
Yes, it has been for the past several games.
There are a couple of early Wpn Techs where weird things seem to happen with Altarian Beam-Ship Designs suddenly becoming unavailable. It is nearly 100% reproducible on my end.
It may happen with Kinetic Wpns too, but I don't really use those very much so it is not as noticable.
Missile Wpn Designs seems to be unaffected, so far.