The TZ80:
Beginning with SonicOS 8.0.0, these SonicPoint devices are no longer supported:
SAML 2.0 support for Generation 8 firewalls
SonicOS 8.1 provides for SAML-based authentication. See the SonicOS 8 SAML Feature Guide for more information.
SonicWall firewalls can act as an NTP server
SonicWall Generation 8 firewalls can now be configured to act as NTP servers.
Support for WPA2, WPA3, and EAP security protocols
WPA2, WPA3, and EAP security protocols are now supported on wireless TZ models running in Station Mode.
DNS Proxy Rule Limit Increase
The DNS proxy rule limit has been increased to support up to 1,024 entries.
New DPI-SSL CA certificate
A new SonicWall Firewall DPI-SSL certificate has been added.
Renewal of DHCP IP addresses on the wireless interface (W0) when the connection drops and returns or when switching networks.
Support for Override Default MAC address on the wireless interface (W0).
For more information, refer to the SonicOS 8 Migration Requirements Reference Guide.