The new version of ZNC is based off of ZNC-1.7.1, the current ZNC release. The goal with the ZNC upgrade was to keep things as vanilla as possible. The most notable PanicBNC change was the removal of server and network changes along with only allowing ident changes to Premium users.
This version also contains numerous security fixes, improvements, and features. Too many to list here so they're here, check past version 1.4. Yeah, it's been that long. The largest change will be the verification of all SSL connections.
Previously IRC connections using non-valid SSL certificates (expired, self-signed, etc) were allowed, this will no longer happen with the new ZNC version. With the increase of free certificate authorities such as Let's Encrypt, there is no reason to not have a valid SSL certificate, or not being using SSL at all.
PanicBNC will accept new SSL IRC network requests with invalid certificates but will not pr