This timetable is now released- note that the scheduled buses from Edinburgh to Newcastle (due to engineering work) are running, as are the scheduled diverted through EDI- LON through trains via Carlisle- https://www.lner.co.uk/globalassets/header-banners/saturday-30-september-2023---confirmed-strike-day-timetable-with-carlisle-trains.pdf
And this is the provisional timetable for 4 October- as expected no trains beyond Edinburgh or Leeds or on any other branch- https://www.lner.co.uk/globalassets/header-banners/wednesday-4-october-2023---provisional-strike-day-timetable.pdf