23.8.3
Hub
- Improved DNS testing, including UDP, TCP, default search domain handling, and reverse lookup behavior
- Improved state synchronization with HA timeouts
- Clearer presentation of situations where replication is enabled but no destination is configured
- Better visibility into appliance connection and disconnection issues
- Clearer login and initial connection error reporting.
- UI polish for navigation, progress bars, badges, VLAN fields, and product terminology
- Internal fixes for Auto Snapshot grouping, HA timeout handling, and Active Defense / Active Protection filters
Virtualization
- Support for hosting on Windows Server 2025 Hyper-V hypervisors
- Support for AWS Nitro v5/v6 instances
- Improved compatibility with non-conformant AHCI controller implementations in QEMU-based hypervisors
- VirtIO drivers are enhanced to work with the modern VirtIO device types in addition to legacy types
Other Fixes and Improvements
- Addressed a performance regression with NFSv4 clients due to excess access check calls
- Dynamic directory name lookup cache sizing
- Improvements to offline system registration
- Improved handling of SCSI reservations and suspended pool states
- Improved handling of suspended disk pools
Security Content
This update addresses the following: CVE-2026-7168, CVE-2026-7009, CVE-2026-6429, CVE-2026-6276, CVE-2026-6253, CVE-2026-5773, CVE-2026-5545, CVE-2026-4873, CVE-2025-10911, CVE-2026-0992, CVE-2026-0990, CVE-2026-0989, CVE-2026-1757, CVE-2026-6732, CVE-2025-8677, CVE-2025-40778, CVE-2025-40780, CVE-2025-13878, CVE-2026-1519, CVE-2026-44656, CVE-2026-45130, CVE-2026-42307, CVE-2026-41411, CVE-2026-34982, CVE-2026-39881, CVE-2026-35177, CVE-2026-25749, CVE-2026-28418, CVE-2026-26269, CVE-2026-28417, CVE-2026-28421, CVE-2026-28419, CVE-2026-28420, CVE-2026-28422, CVE-2026-34714, CVE-2026-33412, CVE-2026-32249, CVE-2025-66476, CVE-2025-53905, CVE-2026-31790, CVE-2026-28387, CVE-2026-28388, CVE-2026-28389, CVE-2026-28390, CVE-2026-31789