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About the API Announcements category
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0
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18185
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December 8, 2016
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OpenSSL Client Compatibility Changes for Let’s Encrypt Certificates
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0
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2406
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January 27, 2021
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Providing a longer certificate chain by default
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0
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711
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March 31, 2021
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ECDSA Issuance available in Staging: March 24
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0
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1625
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March 19, 2021
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End of Life Plan for ACMEv1
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22
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120783
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March 17, 2021
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Staging maintenance and database reset, 2 March 2021
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1
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500
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March 2, 2021
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Staging Hierarchy Changes
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3
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1489
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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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277
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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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570
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December 12, 2020
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Beginning Issuance from R3
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2
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12385
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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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22029
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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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4000
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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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25054
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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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973
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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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37008
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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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1975
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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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4001
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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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1348
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September 12, 2019
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RFC 8555 Subproblems
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1
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1461
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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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2124
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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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772
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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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78104
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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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11408
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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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4820
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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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2481
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January 24, 2019
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EDNS Buffer Size Changing to 512 Bytes
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0
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4430
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November 19, 2018
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ACME breaking change: Most GETs become POSTs
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0
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3055
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August 30, 2018
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ACME-CAA "validationmethods" support
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5
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5095
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September 25, 2018
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ACME v2 - Draft 13 compliant key rollover
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2
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2112
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August 23, 2018
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Certificates per registered domain per week limit raised
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0
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1687
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August 6, 2018
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