Changing Blue Card to Permanent Resident Card (Niederlassungerlaubnis) in Germany

 Hello everyone!It has been more than a year since I got my German permanent residency, and after a long wait, here you go: the promised post about how I changed my Blue Card to Permanent Resident Card for Germany.For some of you who did not know, I changed my student visa to EU Blue Card back in 2018 when I started my full-time job (you can read my complicated experience here). I only had...