Arm interview questions

I was contacted by the recruiter in June 2023 on LinkedIn. After application, we had an exploratory call and then I was selected for the first round. The first round was with 3 interviewers for about an hour. They were really nice and we discussed about my past projects and experience. After a month, I was told that I am selected for the final round of interview and I will be asked about past projects in depth. After few days, I was contacted by a new recruiter and said that my old recruiter has left the company and to contact new person for any doubts. I asked the new recruiter whether there will be a technical challenge or coding test. They weren't sure of that. I was told that I will be given a confirmation soon. But I didn't hear back from the recruiter. Even though I tried to call them, it wasn't going through. The final round was with 3 interviewers for 2 hours. It was really a good experience. Some questions were really outstanding. They asked some technical questions and I was given a technical challenge to finish. Due to the lack of practice, I wasn't able to complete it straight away. But later, I was able to complete it successfully. After a month, I was told that I am not selected. Overall the experience was good. A great company to work for. The communication between the recruiter and candidates could have been better. Even after final round of interview, I received a general rejection email. I asked some detailed feedback, but no response so far.