Great feedback, we'll get in touch about next steps, then ghosted me.
Quite an appalling way to treat candidates. They asked me to do a large case study for the interview. I put a lot of time and effort into it. They said they loved it and were very impressed. Then absolute silence, which according to reviews, seems to be very common for them.
My advice to candidates is to not waste your precious time on CGI. And for CGI to consider how disrespectful and unprofessional such patterns of behaviour are.