After just over six months of development, the launch was announcedand the new version of «Proxmox VE 8.3″, a version in which important updates and new functionalities have been implemented that improve efficiency and optimization in the management of virtualization environments.
In this new version, which is introduced from Proxmox VE 8.3, The system base is synchronized with the package database with Debian 12.8 and updates the Linux kernel to version 6.8.12, with the option to use kernel 6.11.
Among the notable new features is the Closer integration with SDN (Software-Defined Networking) with the firewall. This includes the generation of IP sets for virtual networks (VNet) and guest systems, which can be used in firewall rules and configured using a standard IP address management plugin.
The ability to use nftables to filter forwarded traffic, both at the host and VNet level. It is mentioned that this can be used to restrict SNAT traffic or traffic flowing from one simple zone to another.
In addition to that, The notification system now allows sending HTTP requests to broadcast events, such as alerts about system updates or issues with cluster nodes. Users have the ability to customize the format of requests to adjust the metadata transmitted.
Moreover, the UI now includes options to import guest systems from OVF and OVA formats, and the import of virtual machines from OVF/OVA files has been made easier, allowing direct loading via the graphical interface from file-based storage. The OVF importer now attempts to initialize the VM correctly with the appropriate OS type, NICs, boot order, and boot type.
As for the major updates, includes the latest versions of QEMU 9.0.2, LXC 6.0.0 and OpenZFS 2.2.6. The new QEMU 9.0.2 version Improve reporting and error handling, especially in situations with issues when creating stateless snapshots of guests using VirtIO Block devices. Additionally, a compiler warning related to unused code has been fixed.
Also has introduced support for NVIDIA vGPU passthrough, adapting to changes in NVIDIA vGPU drivers. Additionally, initial support is now included for AMD Secure Encrypted Virtualization (SEV), which encrypts guest memory on supported platforms and operating systems. This support is complemented by an experimental release for SEV-Encrypted State (SEV-ES), which also encrypts the CPU state.
Also, Proxmox 8.3 now allows to more efficiently manage TPM state disks, with fixes to default settings and prohibition of changing TPM version in existing states to avoid boot failures.
Of the other changes that stand out:
- Added “Tag View” mode, which organizes guest systems in the cluster by assigned tags, making it easier to locate and manage them.
- Backup mechanisms have been improved with new change detection modes that speed up this process.
- Several issues related to virtual network interfaces, CPU affinity, and SPICE USB port management have been resolved.
- Support for Cloudbase-Init, which is a reimplementation of cloud-init for Windows, has been improved, and several live migration and restore bugs have been fixed.
- Issues related to live migration of virtual machines with local disks under heavy load, as well as remote migration startup errors, have been resolved.
- The interface has also been improved to display CPU affinity and provide more detailed information on error messages related to migration and storage operations.
- Snapshot data and metadata are now stored in separate files.
For those who are interested in learn more about it About this new version of the distribution, you can check the details in the announcement. The link is this.
Proxmox VE 8.3 Download and Support
Proxmox VE 8.3 is now available for download on its website official, the size of the installation iso image is 1.4 GB. The link is this. On the other hand, also this Proxmox Server Solutions offers business support starting at € 80 per year per processor.