|
About the API Announcements category
|
|
0
|
31951
|
December 8, 2016
|
|
Ending TLS Client Authentication Certificate Support in 2026
|
|
6
|
3215
|
July 8, 2026
|
|
Upcoming Let’s Encrypt Profile Changes On May 13, 20th, and 27th
|
|
4
|
4832
|
May 28, 2026
|
|
Minor DNSSEC validation change
|
|
1
|
399
|
April 13, 2026
|
|
Blocking Some On-Demand Issuance Caused by Internet Scanning
|
|
0
|
831
|
February 25, 2026
|
|
Upcoming Changes to Let’s Encrypt Certificates
|
|
2
|
32381
|
January 7, 2026
|
|
New "Generation Y" Hierarchy of Root and Intermediate Certificates
|
|
0
|
600
|
November 24, 2025
|
|
New "Y" Root and Intermediate Hierarchy
|
|
0
|
1102
|
September 4, 2025
|
|
Switching issuance to new intermediates
|
|
2
|
2879
|
August 20, 2025
|
|
Ending OCSP Support in 2025
|
|
2
|
1228
|
August 6, 2025
|
|
Support Ended for Expiration Notification Emails
|
|
0
|
610
|
June 4, 2025
|
|
Removing OCSP URLs from Certificates
|
|
1
|
2074
|
May 7, 2025
|
|
Adding CRL URLs to certificates
|
|
1
|
3313
|
March 12, 2025
|
|
Support for OCSP Must-Staple Now Disabled
|
|
0
|
1037
|
January 30, 2025
|
|
Ending Support for Expiration Notification Emails
|
|
0
|
346
|
January 23, 2025
|
|
Announcing Certificate Profile Selection
|
|
0
|
559
|
January 9, 2025
|
|
Automatic Pausing of Zombie Clients
|
|
2
|
1202
|
December 5, 2024
|
|
Shortening the Let's Encrypt Chain of Trust
|
|
9
|
9925
|
September 30, 2024
|
|
Rejecting TLS 1.0 / 1.1 for inbound ACME connections
|
|
3
|
2675
|
August 26, 2024
|
|
Disabling deprecated TLS cipher suites during validation
|
|
3
|
1410
|
July 24, 2024
|
|
EDNS Buffer Size Changing to 512 Bytes (In 2024: now 1232)
|
|
2
|
7358
|
July 8, 2024
|
|
Let’s Encrypt Domain Multiple Perspective Validation Ordering Change
|
|
0
|
724
|
June 13, 2024
|
|
Deploying Let's Encrypt's New Issuance Chains
|
|
5
|
5946
|
June 6, 2024
|
|
ECDSA availability in production environment
|
|
1
|
32568
|
May 30, 2024
|
|
Discontinuing support for ACME clients using draft-ietf-acme-ari-01
|
|
1
|
1375
|
April 25, 2024
|
|
Let's Encrypt is adding two new remote perspectives for domain validation
|
|
2
|
7907
|
March 27, 2024
|
|
Let's Encrypt staging is now including a new SCT extension in certificates
|
|
0
|
606
|
February 17, 2024
|
|
Enabling SHA256 Subject Key Identifiers for end-entity certificates
|
|
3
|
1621
|
January 25, 2024
|
|
DNS Resolver Upgrade To Unbound 1.19
|
|
1
|
1608
|
December 20, 2023
|
|
DNS Resolver Upgraded to Unbound 1.18, Empty Responses require SOA sections
|
|
0
|
1106
|
December 19, 2023
|