Synergies that reduce gun charge time don't function

[Alphanumerai]

There are a number of charged weapons, like the Railgun, Lil Bomber and Bow that have synergies which the wiki states are supposed to reduce their charge time / increase charge speed. But I can't for the life of me notice any different in charge time whenever I get these synergies.

These include:
Dead Cell (railgun)
Fairy Bow (bow)
Bomberpal and Super Bomberpal (lil bomber) (not individually or together)
Barrage Shot (charge shot)

I haven't got Swift Sloop (corsair) yet but it wouldn't surprise me if it didn't work either.