Thank you so much, I somehow missed that page.
I don't really understand if there is a difference between buying the Midway before or after the update, however it's pretty cool that at least the premium Carriers get moved to tier 8 and stuff.
Oh and another sidenote, despite some criticism, I believe this change is welcomed, CVs just gradually became more and more un-fun to play and to play against, sooo.. yay !?