Proxmox VE 6.4 Release

Proxmox Virtual Environment 6.4 has been released and is the last planned point release of the 6.x series. It brings important updates and stability improvements.

Key New Features

Kernel and QEMU

• Updated Linux Kernel 5.4 LTS with the latest security patches
• QEMU 5.2 with new features and bugfixes
• Improved virtio drivers
• Optimized live migration
• Updated CPU models

Ceph Improvements

• Ceph Octopus 15.2 as default
• Improved Ceph dashboard integration
• Optimized OSD management
• Extended monitoring functions
• Improved pool management and Crush Map editor

ZFS Updates

• ZFS 2.0 support with numerous improvements
• Improved Persistent L2ARC
• Optimized Sequential Resilvering
• Extended encryption options
• Performance improvements

Proxmox Backup Server Integration

The integration with the Proxmox Backup Server (PBS) has been further improved:

• Optimized backup speed
• Improved Single-File Restore
• Extended scheduling options
• Better status overview
• Improved bandwidth management

Web Interface

• Improved Resource Tree with grouping
• Extended tag support for VMs and containers
• Optimized network configuration
• Improved storage overview
• Extended user and permission management
• Dark theme improvements

SDN (Software Defined Networking)

• Extended VXLAN support
• Improved zone configuration
• Optimized VNet management
• EVPN improvements

Container Improvements

• Updated LXC 4.0
• Improved container templates
• Optimized container migration
• Extended resource management

Upgrade

The upgrade from Proxmox VE 6.3 to 6.4 is performed via the regular package repositories:

apt update
apt dist-upgrade

A reboot is recommended for the updated kernel.

Outlook on Proxmox VE 7.0

Proxmox VE 6.4 is the final release of the 6.x series. The next major version, Proxmox VE 7.0, will be based on Debian 11 “Bullseye” and will bring further significant innovations.

Conclusion

Proxmox VE 6.4 rounds off the 6.x series with a stable and feature-rich release. The improved PBS integration and ZFS 2.0 support demonstrate the continuous development of the platform. As a certified Proxmox partner, we are happy to advise you on the upgrade path to Proxmox VE 7.0.