Metrolink last updated their timetables on the 24th August 2020. The update in February 2021 was as a result of the Trafford Centre stop changing its name and the times are identical to the August 2020 timetable.
It'll be interesting to see if there are any changes forthcoming, though, as I...
A bit late to the party, but TfGM release their schedule data under an open data license, minus the 'off-depot' times.
If it's of any use, there are timetables going back a few years using this data at www.railwaydata.co.uk/timetables
2C13 0930 Chester to Chester - 508124
2C14 0950 Chester to Chester - 508126
2C15 1010 Chester to Chester - 508140
2N16 1056 New Brighton to New Brighton - 508131
2N17 1116 New Brighton to New Brighton - 508143
2G36 1108 Ormskirk to Liverpool Central - 508130
2G37 1128 Ormskirk to...
I've noticed a few issues with the ATOC data feed recently. The general consensus seems to be that the ATOC feed will be phased out in favour of opendata.nationalrail.co.uk. Failing that, Peter Hicks hosts an excellent archive of NR CIF files at networkrail.opendata.opentraintimes.com.
For the May 2021 timetable at least, there doesn't appear to be any scheduled stops for Syston on a Sunday.
From memory, I don't recall seeing anything about Sunday services in the recent EMR timetable consultation, either.
Not necessarily. Reflective distant boards are often used as fixed distants. An example of this is available here: https://www.rmweb.co.uk/community/uploads/monthly_07_2012/post-6662-0-08533200-1342781773.jpg
Whilst it's still early doors and the new timetable data is "very flexible," I've put together PDF's for the May 21 timetables for most of the UK (the South East still needs some work, unfortunately.) It goes without saying, that some TOC's are yet to release their data and things are obviously...