We've posted an announcement about the availability and usage of the ECDSA hierarchy in production: https://community.letsencrypt.org/t/ecdsa-availability-in-production-environment/150679/2 If you have any questions or concerns, feel free to put them here!

Questions re: Production ECDSA allow-list

Topic		Replies	Views
Missing account ID for ECDSA allowlist request Help	7	1642	August 23, 2021
ECDSA ( X1 chain ) issuing problem Help	5	824	February 25, 2022
Get ISRG Root X2 Help	51	3802	June 2, 2022
Is ECDSA allowlist still accepting new accounts? Help	6	303	March 27, 2024
Allow list still in use? Help	10	680	December 14, 2023