[solene]

The biggest issue for people updating could be the switch from iptables to nftables, which may break many firewall scripts.

There is a documentation update pending merging in the official documentation that covers how to do use the Firewall in 4.2.

https://github.com/QubesOS/qubes-doc/blob/86a6f12e2a882dfffb...

[SushiHippie]

Hopefully they ship iptables-nft now

https://www.redhat.com/en/blog/using-iptables-nft-hybrid-lin...