Scott Helme on expiring TLS root certificates
A timely article:
https://scotthelme.co.uk/impending-doom-root-ca-expiring-legacy-clients/
HTTPS is a bit more than 25 years old. A lot of early root certificates were issued with a 25 year lifespan, and are about to, or have already (Addtrust) expired. Without updates, the web will break.