The primary focus of this update is performance and comparability.
Multiple performance enhances have been applied.
Login process is now compatible with the Account Lockout Policy feature.
Bug fixes for TLS 1.3 and other TLS issues has been applied.
Bug fixes for ed25519 public keys has been applied.
Port 991 is no longer supported.
Grandfathered /ftp/pub/ rewrite rule is no longer supported.