Some Identity Providers support signature verification for Single Logout requests. That verification requires a certificate that has an expiration date. The expiration date of the current certificate is 01 January 2024.
If you use the Single Logout feature and your Identity Provider supports signature verification for Single Logout requests, you will need to upload a new certificate to your Identity Provider, so that the Single Logout Feature continues to function.
There is no impact to any other functionality.
The new certificates (which expire on Jan 1st, 2026) are already available in our GitHub repository.
If your Identity Provider allows you to upload multiple certificates, you may upload the new certificate at any time.
If your Identity Provider does not allow you to upload multiple certificates, you must upload the new certificate on or after 01 January 2024.