Reached its End-of-Life on November 17, 2024. It is no longer receiving standard maintenance updates. Upgrade Considerations Related Documentation for PAN-OS 11.1 - Palo Alto Networks
Palo Alto uses a strict "preferred path." You cannot directly jump from PanOS 10.0 to 11.0. panos 11 release notes link
: PAN-OS 11 introduces native security inspection support for DNS over HTTPS (DoH) traffic, closing a prominent visibility gap often leveraged by attackers for data exfiltration. Evolution of the PAN-OS 11 Lifecycle Reached its End-of-Life on November 17, 2024
PAN-OS 11.0 introduces industry-first AI-powered exploit prevention. It leverages machine learning and deep learning to block evasion tactics and unknown Command and Control (C2) servers inline, rather than relying on retrospective analysis. : PAN-OS 11 introduces native security inspection support
Document your firewall's CPU utilization, memory allocation, and session counts prior to the maintenance window.
This section tracks the bugs fixed in a specific maintenance release (e.g., what was fixed between 11.0.2 and 11.0.3). If you are upgrading to resolve a specific system instability, confirm the fix is listed here. Best Practices Before Upgrading