PAN-OS® 9.0 new features, changes to default behavior,
known issues, and addressed issues.
: November 18, 2021
Review important information about Palo Alto Networks PAN-OS®
9.0 software, including new features introduced, a list of known
issues, workarounds for open issues, and issues that are addressed
in the PAN-OS 9.0 release. For installation, upgrade, and downgrade
instructions, refer to the PAN-OS 9.0 New Features Guide.