Without the desktop plug, launching the syncthing snap will not launch a browser window to the admin UI. Adding this one line will fix that. Tested here on my Ubuntu system with a build from tip of master.
@@ -20,6 +20,7 @@ apps:
HOME: ${SNAP_USER_COMMON}
XDG_CONFIG_HOME: ${SNAP_USER_COMMON}
plugs:
+ - desktop
- home
- network
- network-bind
Alan Pope