While adapting the btsync-gui to BitTorrent Sync 1.4 I discovered that the method get_prefs returns a plenty of new settings not visible in the Windows/Mac versions: {"bt.dl_queue_factor": "4","bt.extra_ul_max": "10","bt.extra_ul_rand": "128","bt.few_pieces_thres": "4","bt.http_pending_limit": "4","bt.prio_piece_thres": "20","bt.sequential_download": 0,"bt.sequential_files": 0,"bt.ul_queue_factor": "2","choker.interval": "10","choker.interval_auto": 1,"choker.interval_optim": "30","config_refresh_interval": "3600","connect_more_peers_interval": "1","device_name": "debpoldo - leo","disk_low_p