EAC18138xxxxx +OPT extension approval detailed timeline

H1B updates are highlighted in Yellow, others are OPT extension ones


3/16 OPT extension filed (starting date 5/0x/2018 -5/0x/2020)3/21 OPT extension delivered to USCIS
4/2 H1B filed
4/12 H1B case received
4/17 H1B paper case received receipt sent out by USCIS
4/20 SEVP portal status changed
5/20 OPT extension approved

5/30 OPT extension card received (starting date 5/0x/2018 -5/0x/2020)
6/1 H1B approved

Bless all:)

什么时候收到的纸质receipt？