Got this error trying to issue a new certificate:

{“type”:”urn:ietf:params:acme:error:badCSR”,”detail”:”ClientAuth certificates are being deprecated by Q2 2026, please see https://pki.goog/updates/may2025-clientauth.html for the phased rollout schedule. Requests for clientAuth certificates must set the `?client_auth=true` query parameter in the ACME directory URL.”,”requestID”:”pn1B3IfzwR8Di0WuFK2UVg”}

FIX:

Upgrade asme.sh to the latest dev version:

acme.sh  --upgrade -b dev