YSC1990066922 Timeline - None STEM Initial POST-OPT

11/23/2018 Case received
12/30/2018 Address change requested
12/31/2018 Address change request completed
2/16/2019 Card being produced

希望接下来一切顺利！

补充内容 (2019-2-22 02:31):
2/20/2019 Card was mailed to me
最近几天观察了下附近号段，个人感觉只要是材料没有什么问题的，从produced到mailed是2个工作日。我的是周六制卡，周一President Day,刚好两个工作日后在周三状态变成Mail to me!

补充内容 (2019-2-23 05:48):
2/22/2019 I-797 Notice of Action recerved
周五收到了纸质的OPT Approval信件。网上状态仍然处于Card was mailed to me，已经2天了。希望快点picked up by USPS!

补充内容 (2019-2-24 01:43):
2/23/2019 拿到卡了
自从20号状态变成Card was mailed to me之后，USCIS上就一直没有更新过。今天卡却神奇的出现在了信箱里，估计USCIS官网更新delay了，希望所有人和我一样的情况！