Related to Change Saturday, the IT department routinely changes the security certificate on Eduroam. You may need to approve the new certificate.
The IT department changes certificate from DigiCert to Sectigo for the Eduroam wireless network. The change may result in warnings like those below when connecting to Eduroam tomorrow.
If you have problems connecting to Eduroam you may want to delete/forget Eduroam and then add Eduroam again.
Read more about the Eduroam service where you will also find various instructions for setup on different devices and can get help if you do not find out.