In case it's helpful for anyone here, I have lists of all of the packages (and versions) installed on the 2019-06-20 releases of the buster, buster-lite and buster-full images
here.
these are essentially the outputs of:
This was run direct on mounted images themselves so is essentially the equivalent of running it on a fresh install before any updates.
I did this so I can work out the differences between each case, and also the differences between these and my current stretch install so I can preempt any issues before I upgrade... in theory...