Currently, nftables used in vyos 1.4 is 1.0.6.
```
vyos@WP:~$ show ver | grep Ver
Version: VyOS 1.4-rolling-202307310317
vyos@WP:~$
vyos@WP:~$
vyos@WP:~$ sudo dpkg -l | grep nft
ii libnftables1:amd64 1.0.6-2+deb12u1 amd64 Netfilter nftables high level userspace API library
ii libnftnl11:amd64 1.2.3-1 amd64 Netfilter nftables userspace API library
ii miniupnpd-nftables 2.3.1-1 amd64 UPnP and NAT-PMP daemon for gateway routers - nftables backend
ii nftables 1.0.6-2+deb12u1 amd64 Program to control packet filtering rules by Netfilter project
vyos@WP:~$
```
Changelog for 1.0.7 and 1.0.8:
https://www.netfilter.org/projects/nftables/files/changes-nftables-1.0.7.txt
https://www.netfilter.org/projects/nftables/files/changes-nftables-1.0.8.txt
Some interesting features were added