Digital Control interview questions

Process started with a phone screen, moved onto two virtual interviews and finally a face-to-face interview. I felt all of it went really well and was even told it was an "excellent" interview process which took 6 weeks, start to finish. I was never offered the position and never offered feedback on decisioning. Seemed like there were multiple candidates and I was a backup of sorts, not really sure but quite a bit of time and energy spent.