2021/02/09 - Scheduled maintenance, 9 February
2021/03/02 - Scheduled maintenance, 2 March
2021/05/02 - Scheduled electrical maintenance, 2 May
2021/05/04 - Scheduled maintenance, 4 May
2021/06/01 - Scheduled maintenance, 1 June
2021/07/06 - Scheduled maintenance, 6 July
2021/07/15 - Scheduled electrical maintenance, 15-19 July
2021/08/03 - Scheduled maintenance, 3 August
2021/08/17 - Scheduled maintenance, 17 August
2021/09/07 - Scheduled maintenance, 7 September
2021/09/14 - Scheduled maintenance, 14 September
2021/10/05 - Scheduled maintenance, 5 October
2021/10/09 - Scheduled electrical maintenance, 9-24 October
2021/10/26 - Scheduled maintenance, 26 October
2021/10/22 - Wi-Fi certificate change, 22 October
2021/11/02 - Scheduled maintenance, 2 November
2021/11/23 - Scheduled maintenance, 23 November
2021/11/30 - Scheduled maintenance, 30 November
2021/12/01 - Card-based access control migration, beginning 1 December [update 9 Dec]
2021/12/07 - Scheduled maintenance, 7 December
2021/12/14 - Scheduled electrical maintenance, 14-15 December