WHY DOES TURBOTAX STILL NOT ALLOW AMENDED RETURNS

ive spoke with the irs. and there saying that the amended returs should have been avalible the same time that htey added them to ther own website so how can yall say your wating for the update on how to do it whe ntheve been doing it and everyone keeps saying just go click on your 2020 taxes scroll down to amend and it loads like its gonna let me then cuts out saying its not ready waiting on irs