I have similar issues but with a difference.  E-filed 11:44 AM - sent to IRS with a submission id.

another one sent at 12:30 accepted fed and state.  Another one 5:00 sent to IRS/submission id.

Another one 5:20 PM sent accepted fed and state.  All on Tues 6-22.

Yesterday parents and daughter sent at 5:00 PM. Daughter accepted - parents with submission id

Called E-help desk this morning/they unable to take calls