It is the problem of the Return to Office policy where many many talented people quit and so they can not complete features anymore.
Seems like the Class sets where already partually completed before and those few things where put for sale so they can deliver the planned Class Sets.
Of course no player demanded to get them now so either it whas Bobby demanding them to be released so that some whales will be like
or they thought that at least the most remarkable things where done and so they could be shipped.