Regional Rate Boxes USPS

[Bassmaster96]

I don't know how much everyone else uses them, but they have been a niche for a long time for saving money on shipping. I probably ship with those 80% of the time at least for priority mail packages. I saw in the fine print of the USPS 2023 shipping update that they are discontinuing those 1/22/23 supposedly and that now those boxes will basically become mailing boxes and so you can't even use up your supply. Anyone else have any info on this. I am