Proxmox 6.3.6-6.4.5 (Linux v5.4.106-1)
This release is compatible with Proxmox 6.3-6, and contains Linux v5.4.106-1-pve-relaxablermrr kernel.
Make sure to follow Installation and Configuration instructions.
These packages can theoretically be used on any OS based on Debian Buster (10). However, it's recommended to build platform-specific kernel.