Proxmox VE 8.3 Release - Now Available!

[MickLesk]

Proxmox VE 8.3 Release - Now Available!

We are excited to share that Proxmox Virtual Environment 8.3 has been released! This version is based on Debian 12.8 "Bookworm" and includes a newer Linux Kernel 6.8.12-4 (with optional Kernel 6.11), QEMU 9.0.2, LXC 6.0.0, and ZFS 2.2.6 (with compatibility patches for Kernel 6.11).

While we are not Proxmox, we build and maintain helper scripts and tools for Proxmox users, and we want to keep the community informed about important releases like this one.

Release Highlights

New Features and Improvements:

• Tag View: Organize virtual machines based on user-defined tags.
• Tighter SDN and Firewall Integration: Simplify firewall rules with automatic IP sets for VNets and VMs.
• Streamlined OVF/OVA Import: Import virtual appliances directly from file-based storage.
• Webhook Notifications: Push notifications to any target supporting webhooks.
• Faster Container Backups: Reduce backup time with new change detection modes.
• Ceph Squid 19.2.0 (Technology Preview): Experiment with the latest Ceph storage features.

Virtual Machine Enhancements:

• Updated QEMU (9.0.2): Improved error handling and support for large virtual machines.
• Initial Support for AMD SEV: Enhance security for guest memory encryption.
• Improved Resource Tree Tooltips: Get quick information about VM entries.
• More Detailed Error Messages: Gain better insights into migration and storage issues.
• Improved TPM State Disk Handling: Ensure compatibility and avoid errors.

Container (LXC) Enhancements:

• Support for New Operating Systems: Run containers on Ubuntu 24.04, Fedora 41, openEuler, and more.
• Additional Options: Enable discard for root filesystem, pass-through devices in read-only mode.
• Improved Error Reporting: Identify and troubleshoot container issues more easily.
• Updated Templates: Access the latest container templates for various OS versions.

General Improvements:

• Enhanced Cluster Management: Utilize features like generic webhook targets for notifications.
• Secure Boot Management: Improved handling of revocation database and package pinning.
• Proxmox Offline Mirror: Better support for repositories with complete GPG keyrings.
• Updated Packages: Benefit from bug fixes and security updates across various components.

Additional Information:

• Based on Debian Bookworm (12.8)
• Latest 6.8.12-4 Kernel as new stable default
• For the complete changelog and detailed information, refer to the official documentation: Proxmox VE 8.3 Documentation

Important Links:

• Release Notes
• Press Release
• Video Tutorial: What's New in Proxmox VE 8.3
• Download Proxmox VE 8.3
• Alternate ISO Download
• Documentation
• Community Forum
• Bug Tracker
• Source Code

Tribute to tteck

We also want to take a moment to honor @tteck, a beloved member of the Proxmox community who sadly passed away. tteck was known for his dedication and contributions to Proxmox VE Helper Scripts and helped countless users. He will be greatly missed. Our deepest condolences go out to his wife and family.

FAQ

Q: Can I upgrade from the latest Proxmox VE 7 to 8 using apt?

• A: Yes, please follow the upgrade instructions on Upgrade from 7 to 8.

Q: Can I upgrade an 8.0 installation to the stable 8.3 via apt?

• A: Yes, upgrading from 8.0 to 8.3 is possible via apt and the Proxmox GUI.

Q: Can I install Proxmox VE 8.3 on top of Debian 12 "Bookworm"?

• A: Yes, see Install Proxmox VE on Debian 12 Bookworm.

Q: How can I upgrade from Ceph Reef to Ceph Squid?

• A: See Ceph Reef to Squid Upgrade.

Q: How do I upgrade my Proxmox VE 7.4 cluster with Ceph Pacific to Proxmox VE 8.3 and Ceph Reef?

• A: This process involves three steps: first upgrade Ceph from Pacific to Quincy, then upgrade Proxmox VE from 7.4 to 8.3, and finally, upgrade Ceph to Reef. Refer to these documents for detailed instructions:
  • Ceph Pacific to Quincy Upgrade
  • Upgrade from 7 to 8
  • Ceph Quincy to Reef Upgrade.