Pinning is based on the key fingerprint, though, so reissued certs shouldn't matter as long as the private key used for the CSR is the same. I use HPKP with Let

Pinning is based on the key fingerprint, though, so reissued certs shouldn't matter as long as the private key used for the CSR is the same. I use HPKP with Let's Encrypt certs and haven't had any issues.