chedule regular root transitions before they expire.
An expiration of a root certificate may lead to an unexpected cluster-wide outage.
The issue affects new clusters created with versions up to 1.0.7 and 1.1.7.</p><p>See <a href=https://istio.io/v1.7/docs/ops/configuration/security/root-transition/>Extending Self-Signed Certificate Lifetime</a> for
information on how to gauge the age of your certificates and how to perform rotation.</p><div><aside class="callout tip"><div class=type><svg class="large-icon"