PAN-OS® 9.1 new features, changes to default behavior,
and known issues.
: April 21, 2021
Review important information about Palo Alto Networks PAN-OS®
9.1 software, including new features introduced and a list of known
issues, workarounds for open issues, and issues that are addressed
in the PAN-OS 9.1 releases. For installation, upgrade, and downgrade
instructions, refer to the PAN-OS New Features Guide.