Updated to v9 and rooted. I have not noticed any difference at all but I did not have any issues with stock to begin with it was the custom ROMs that always gave me issues.
The above are general comments and statements and are not of any value to the discussion at hand. The author takes no liability for any of it be it true or pure fiction.
VZW LG G2
Stock ROM 12b
Paid Subsidized price and kept unlimited data...