There is a release this weekend that will affect GTFS/R feeds for ALL MODES.
From: 23:30 12 Dec 2020 Saturday AEDST
To: 06:00 13 Dec 2020 Sunday AEDST
Buses GTFS-R feed will be offline 11:30pm to 4:30am
Other modes GTFS-R feeds will experience interruption between 11:30pm and 4:30am
If required, rollback period is 04:30am to 06:00am