Not every domain and server will be around forever, so now you can configure the two Square Enix domains used for login
and patching. And you can configure the Dalamud domain used to download assets, etc.
The data directory has been rearranged, and all the Dalamud data is
stored separately, so it's no longer clogging up everything. Dalamud
logs (and our own logs, when that's implemented) now exist in
XDG_STATE_HOME, instead of the data directory.
The game directory now exists under the data directory, instead of
~/.wine. The user path is set before launching the game, and it now
exists under the data directory too. These are also prefixed to the
user and profile UUID that it belongs to.
The "keep patches" option is now implemented (which is off by default)
and it lives in the temporary directory now.
