Had an interview with PI which had gone well, or so I thought.

Recommend by a professor

Not from a CS degree, expected.

3 first author papers, prestigious research scholarship, multiple research internships/projects

Two interviews in January with POI, strong research fit. Two first author publications. Email to check portal for update.

2 published papers (not top conferences though), NSF fellowship, had interview with both PI's identified in my application (one informal 30 min, one formal with 1 round with PI and 2nd round with his PhD students).

Silent portal update

No interview

2 First Author IEEE Publication & Springer Nature Publication

No interviews

No interview

T20 Bachelors, Ivy League Masters