From our blog
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Scaling Our Rate Limits to Prepare for a Billion Active Certificates
We’ve evolved our rate limits to better serve our subscribers and keep our service healthy. -
Ending Support for Expiration Notification Emails
We will no longer send email reminders about upcoming certificate expirations. -
Announcing Six Day and IP Address Certificate Options in 2025
In addition to our standard certificates, Let’s Encrypt will introduce new short-lived certificates to improve security and agility for the Web PKI. -
Announcing Certificate Profile Selection
New extension makes it possible for site operators and ACME clients to select new profile options for Let’s Encrypt certificates. -
A Note from our Executive Director
Reflecting on a decade of growth, innovation, and impact at ISRG.
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