AQR Capital Management Compliance and Legal Engineering Associate interview questions

There were total of 5 technical rounds and one HR round This is for .net, C# and candidate shud be open to learn new technologies like python and other stuff. Round 1: On Code Signal platform there was coding round on Data structures related to binarytrees and LYNQ Round2: based on AQR wiki problem solving and design solution discussion with vice president Round 3: Techncial Architectural discussions with AVP on how the existing applications where i am working is discussed and few scenario based questions it is mixed of technical and managerial rounds Round 4: With associte director again discussion on generic application frameworks and basic coding concepts Round 5: With Managing director there was so many scenario based questions which are related to techical again and some open questions to test psychology of working Round 6: HR as susual basic questions why do you want to change and stuff like that But finally there was no update till yesterday and i am surprised that offer is not released even after HR discussion, The process is very slow i would say and the expectations are more i understand but why do you ask candidate to take HR round if you feel he is not upto your standards yuo should tell him upfront and i see some lack of transperancy something went wrong for my interview so i wanted to share this.