in current implementation renew by ari info won't triggered, because due to normally ARI window is 2/3 of certs lifetime (5 years by default, so 3 years after sign) and only why do change is revoke it, but then it will trigger revoked cert renew now path first, ignoring ARI.
and currently pebble will never populate explanationURL, so new api to adjust ARI to set time with explanation can be helpful.