OP-08 PRE ST META and TIER List PREDICTION!

42 inherited property Organization of This Specification +5 Notational Slots; Invariants of the Essential Internal Methods; Well

One example here is the meta boxes API in the classic editor A slot in the editor header is not a very semantic API It's unclear

metaslot168 4,18511 gold badge2525 silver badges4242 bronze badges 6 Provide a slot And then likely test that you used is-open and did-dismiss

metaslot 4,18511 gold badge2525 silver badges4242 bronze badges 6 Provide a slot And then likely test that you used is-open and did-dismiss