He recently confirmed the news in a recent interview, clarifying how the support would work. In the past, the game's multiplayer community have thrived one excellent mods, so this was a concern for many in the community.
Armagan YavuzYeah, definitely. We’ll have a matchmaking system, which probably won’t be supporting mods, but when players set up their own servers they will be able to use mods in multiplayer.
The news means that players will be able to host their own servers with custom lands, armies, and new features, and will no doubt lead to many Game of Thrones related mods, too.
The game has no release date yet, but is expected to be released this year.