We set up a bridge between the Lemmy.world General Matrix room and the Public-1 channel on the Lemmy World discord server yesterday. It’s not perfect as emoji reactions aren’t visible and some minor things like how it handles edited messages but other than that it seems to be working well.
Now people on both chat clients can interact with eachother!
But it will only bridge messages that are sent AFTER you created the bridge. It looks like he’s asking to copy the complete history of those discord channels over to matrix.