So I became an LPR on 3rd April, 2013. This meant that according to USCIS' filing calculator I became eligible to file an N-400 on 3rd January, 2018 (plus five years minus 90 days). I filed my N-400 online through ELIS at 2:30am, staying up late because I was excited to finally begin this final chapter in my immigration journey.   I hit an early roadblock when the receipt NoA for some reason assigned me an N-400 priority date of the previous day, 2nd January. The "application received