Earlier quoted context omitted.
Not saying Germany is slow, but that is one area where US is far behind. 21 Months - This is the current processing time for a green card after you have sent in all the paperwork to the USCIS for processing. During that time, you get no updates and of-course if you leave the country without AP, your application is considered to be abandoned. https://imgur.com/a/t8rYOjv
It's the same in Australia; when you apply for permanent residency your application goes into a black hole. I wanted to learn more about my status and all I got back from the immigration people was 'the agent processing your application will contact you. We do not give out contact details for your agent. You will have to wait'. It took about 8 months. Once your 'regular' visa expires you go onto a bridging visa which…
People complain but its generally predictable save for applications for a 3 year visa can lead to a 1 year visa or a 3 year visa or a 5 year visa