As bug fixes and app improvements may be rolled out from time to time, you may wish to enable automatic app updates on your device settings or keep a look out for latest app versions available.
Store your Changi Account login credentials securely. You may be prompted to re-login.
Turn on notifications on your device to be updated of maintenance schedules. Alternatively, keep a look out for app advisories on your app > Account > Notifications Inbox (Bell Icon).