Just found a strange behavior of the software. There is no close button or any other way of closing the settings dialog for the sync settings in Komodo IDE (latest version).
You have to use ALT+F4 to get rid of the dialog once you have opened it.
Esc should works fine. But yeah - there are no window controls for “Syns settings” and other windows of the same type.
Thanks nickswe, unfortunately Sync has been removed in Komodo 9, and this does not seem to be a big enough issue to justify an update to 8.5.
Note we will most likely be re-introducing Sync in a different form at some point.