No New SBCs

Does anyone have problems with SBCs?Like no new SBCs are coming for a while now,i started playing this game like 3-4 weeks ago and  i thought new SBCs will come (chatgpt says so lol) but i only have bronze silver and gold and hybrid something idk.I have a duplicate 91 KDB(plus like 10 84+) and i cant open packs unless i quicksell them or put them in an SBC and im not putting them in a gold upgrade smh,i thought there were some SBCs like overall 87+ but there's nothing