but here it says fine now: https://godoyolivieri.com/new-guidance-on-entering-the-us-with-an-expired-green-card/

want to just ask who has done it

permanent residence doesn't expires, because it's permanent. just the card that expires after 10 years.

thanks all!

A Resident with an expired two-year Permanent Resident card and an original I-797 Notice of Action extending the card's expiration date may also board. Again, arrive early for your flight. A Boarding Foil is required if you only have a photocopy of the I-797. Yes, you can travel to the United States if you have an I-797F. The form will be mailed to your overseas address so that you can travel (back) to the United States. You can also read more information about immigration at https://visaexpress.us.com/blog/visa_type/immigration-visa/