I did the same on a test install, a couple times. (mate desktop)The first try failed, I forgot to also edit the /etc/apt/sources.list.d/base.list
the second worked quite well. I am a bit nervous about updating my daily drivers. On 2/8/19 7:06 AM, Paul Sutton wrote:
Hi Updated from Stretch to Buster (non-free) the other day all went fine, just undertaken apt update && apt upgrade today and all seem to go fine, The process seems to be pretty painless for the most part. Paul