Are you going to do a separate list of these bugs? So we could check if they are in the next FW uodate.
I don't think I would bother unless someone with a HW v.2 model (or A model) confirms each bug on their DSO. Some of the bugs might be hardware (v.1) related - and so would never get fixed by Rigol. Besides, EV, honestly, I'm not sure 300MHz is a good choice on hardware that wasn't designed for it.
I tested 300MHz option for about 3 weeks - and I had a few crashes - even one where the DSO started incorrectly believing it was a 2072 until I rebooted. Then today, after my trigger got screwed up and couldn't be corrected, I uninstalled it. Now at least if the DSO crashes, I will know that it's not because of the 300MHz option.
But if someone else wants to compile a list, I'm happy to tack it on at the beginning of the thread.