I'm with you on the issues with calendar. I find myself clicking on it a lot but most times it's frustrating to navigate in it. It's all bigger but somehow it gives us even less information than in old BB. (On my 1440p screen it can only fit 13 games, in old BB I can see the whole season calendar without scrolling, 40+ games. On my smaller secondary screen the whole page is borderline unusable)
Another thing that's been bothering me lately, example: go to opponent's team overivew, click on roster, click on a player and when you hit the "back" button it takes me to team overview page again, not the roster page where I last was. Happens in many other places like calendar too.
Also still waiting for single click to switch between teams as it is in old BB.