This is frustrating I always hate to find this out. One of the things I love about Pro Tools and Cubase is they have kept most of them the same over the years. Logic on the other hand decided to change whatever they want when they want even during version updates not just the major releases. Makes it kind of pointless to try to use and memorize the defaults.
I personally have done my best to keep all the default cubase commands in and only changed 2 and built all my other commands around them. Again frustrating when I find they change them.
I too would like to see the “What’s New” documentation with all these little details, I haven’t updated yet and looking for new things like key commands I have been wanting/needing. Also things like missing key commands in Nuendo 7 frustrate the dickens out of me when they are found in Cubase.