Some rulers among you will be excited by all the Byzantine bureaucracy that will headline the DLC.
But real kings care about filtering information in extremely picky detail.
Still don’t know why this is bigCrusader Kingsnews?

Come with me, you insolent wretch.
Customisable message parameters is an oft-requested feature by CKIII players.
But Crusader Kings 3 still doesn’t have those options.

But it’s the smallest-but-powerfulest addition to the game that I have heard about for a while.
The Steam post that covers this goes over plenty of other features, not to be sniffed at.
There are yet more details, including chat about the new “Administrative government” features.
But I’m not going into that.