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About the API Announcements category
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0
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20101
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December 8, 2016
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End of Life Plan for ACMEv1
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27
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160669
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September 15, 2021
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Production Chain Changes
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2
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9757
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May 4, 2021
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Providing a longer certificate chain by default
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1
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2857
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May 4, 2021
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ECDSA availability in production environment
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0
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7219
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April 28, 2021
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OpenSSL Client Compatibility Changes for Let’s Encrypt Certificates
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0
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8863
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January 27, 2021
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ECDSA Issuance available in Staging: March 24
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0
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3108
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March 19, 2021
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Staging maintenance and database reset, 2 March 2021
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1
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836
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March 2, 2021
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Staging Hierarchy Changes
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3
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2015
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February 26, 2021
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Stability and Purpose of Staging
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0
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555
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February 23, 2021
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ACME v2: Removing /acme/issuer-cert endpoint
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0
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1171
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December 12, 2020
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Beginning Issuance from R3
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2
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15538
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December 2, 2020
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ACME v2 - Scheduled deprecation of unauthenticated resource GETs
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4
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24322
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September 24, 2020
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Transitioning to ISRG's Root
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0
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4466
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May 21, 2019
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Transition to ISRG's Root delayed until Jan 11 2021
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2
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36037
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September 17, 2020
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Issuing for common RSA key sizes only
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0
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1283
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September 16, 2020
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ACME v1/v2: Validating challenges from multiple network vantage points
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5
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38458
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June 23, 2020
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ACME v1/v2 - Changing "Challenges" returned for invalid/valid authorizations
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2
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2142
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January 14, 2020
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New CDN for the Production API
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0
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4523
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September 23, 2019
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New CDN for the Staging API
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0
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1525
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September 12, 2019
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RFC 8555 Subproblems
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1
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1705
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July 23, 2019
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ACME v2 - Scheduled removal of ID from account objects
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1
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2335
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August 1, 2019
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Rejecting incorrectly padded EC JWKs
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1
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878
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July 1, 2019
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March 13, 2019: End-of-Life for All TLS-SNI-01 Validation Support
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7
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79465
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March 15, 2019
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Rate limits: fixing certs per name rate limit order of operations gotcha
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0
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13216
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March 8, 2019
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Rate limit update: removal of renewal and new-issuance ordering constraints
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4
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5059
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March 8, 2019
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ACME v2 - Change to HTTP Status Code for HEAD new-nonce
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2
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2754
|
January 24, 2019
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EDNS Buffer Size Changing to 512 Bytes
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0
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4697
|
November 19, 2018
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ACME breaking change: Most GETs become POSTs
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0
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3368
|
August 30, 2018
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ACME-CAA "validationmethods" support
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5
|
5654
|
September 25, 2018
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