According to my local BBC South West "Spotlight" news programme (24th July) the government has abandoned any idea of splitting the GWR franchise in the far south west. It also said that that there would be no cuts now to Cross Country services in the SW where services to Torbay were under threat.
https://www.bbc.co.uk/iplayer/episode/b0bbxnvn/spotlight-late-news-24072018
https://www.bbc.co.uk/iplayer/episode/b0bbxnvn/spotlight-late-news-24072018