From 5th September 2022, publishers supplying article metadata to DOAJ will be able to send Crossref 5.3.1 XML.
The upgrade will go live between 4 and 6 pm BST / 5 and 7 pm CEST / 11 am and 1 pm ET on 5th September 2022.
Note that it will still be possible to send Crossref 4.4.2, as well as DOAJ XML. The three formats accepted will be:
DOAJ Native XML
Crossref 4.4.2 XML
Crossref 5.3.1 XML
If you have any questions, don’t hesitate to ask.
DOAJ News Service 
Sir, a journal International journal of clinical biochemistry and research indexed with Crossref will it be appeared in DOAJ from 05september2022.
Hello! No. Journals must apply separately to be indexed in DOAJ. If they are accepted, then they may choose whether they submit DOAJ or Crossref XML to us.