The newest release is based on Debian 11.1 Bullseye
Proxmox Backup Server 2.0 comes with Single Sign-On support, the newer Linux kernel 5.11, and including OpenZFS 2.0.
Proxmox VE 7 is based on upcoming Debian 11 "Bullseye" but using a Linux kernel 5.11, and includes QEMU 6.0, LXC 4.0, and OpenZFS 2.0.4.
Proxmox VE 6.4 is based on Debian 10.9, but using a newer, LTS Linux kernel 5.4. Optionally, the 5.11 kernel can be installed.
Proxmox Server Solutions has announced the release of Proxmox Backup Server 1.1. The new version is based on Debian 10.9.
Proxmox Mail Gateway protects your mail server from spam, viruses, trojans, and phishing emails. Find out what's new in the latest v6.4.