The following table lists the issues that are addressed
in the PAN-OS® 7.1.9-h4 release. For new features, associated software
versions, known issues, and changes in default behavior, see PAN-OS 7.1 Release Information.
Before you upgrade or downgrade to this release, review the information in Upgrade to PAN-OS 7.1.
Starting with PAN-OS 7.1.5, all unresolved known issues
and any newly addressed issues in these release notes are identified
using new issue ID numbers that include a product-specific prefix.
Issues addressed in earlier releases and any associated known issue
descriptions continue to use their original issue ID.
Fixed an issue where PA-3000 Series firewalls
dropped long-lived sessions that were active during a content update
followed immediately by an Antivirus or WildFire update.
Fixed an issue where a regression introduced
in PAN-OS 7.1.9 caused the firewall dataplane to restart in certain
cases when combined with content updates. For details, including
the relevance of content release version 709, refer to the associated