Configuration by config file is planned.
You should be able selecting thread tree model, doing individual lock strategies and basic device setup.
These were the bad things. Now, telling what is already done so far. Auto-save to file namely in $HOME/ags-autosave.xml. Further rudimentary process signal handling is done.
Advanced Gtk+ Sequencer uses pcm alsa configuration, again. New, under-run recovery performed as needed.
You may experience short write.