Looks like PvE modding is a go

Seems like someone from Saber confirmed that they don't care about PvE modding.

https://www.ign.com/articles/warhammer-40000-space-marine-2-update-40-secretly-clamped-down-on-pvp-modding-publisher-confirms-but-doesnt-have-a-problem-with-pve-modding