aethercast no longer connects

My pro 5 worked yesterday, but now after the latest OTA update it no longer does. I'm using a Microsoft Display Adapter dongle. Tried rebooting both, and it refuses to connect.

current build number: 88
device name: turbo
channel: ubuntu-touch/rc-proposed/meizu.en
last update: 2016-05-26 07:51:31
version version: 88
version ubuntu: 20160526
version device: 20160523-bcddc2c
version custom: 20160504-975-19-6

[II 2016-05-26 08:20:05] [miracastcontrollerskeleton.cpp:220@OnHandleScan] Scanning for remote devices
[DD 2016-05-26 08:20:05] [p2pdevicestub.cpp:347@Find] timeout 30
[DD 2016-05-26 08:20:05] [p2pdevicestub.cpp:155@OnDeviceFound] Found device /fi/w1/wpa_supplicant1/Interfaces/1/Peers/4e0bbdfa5630
[DD 2016-05-26 08:20:05] [miracastcontrollerskeleton.cpp:88@OnDeviceFound] device 4e:0b:bd:fa:56:30
[DD 2016-05-26 08:20:17] [miracastservice.cpp:456@Connect] address 4e:0b:bd:fa:56:30
[DD 2016-05-26 08:20:17] [networkmanager.cpp:258@Connect] address 4e:0b:bd:fa:56:30
[DD 2016-05-26 08:20:17] [p2pdevicestub.cpp:385@StopFind]
[DD 2016-05-26 08:20:17] [p2pdevicestub.cpp:404@Connect]
[DD 2016-05-26 08:20:17] [p2pdevicestub.cpp:409@Connect] path /fi/w1/wpa_supplicant1/Interfaces/1/Peers/4e0bbdfa5630
[DD 2016-05-26 08:20:17] [p2pdevicestub.cpp:413@Connect] Using GO intent 7
[DD 2016-05-26 08:20:17] [miracastservice.cpp:385@OnDeviceStateChanged] Device state changed: address 4e:0b:bd:fa:56:30 new state association
[DD 2016-05-26 08:20:17] [networkmanager.cpp:210@StartConnectTimeout]
[DD 2016-05-26 08:20:17] [unitydisplaylock.cpp:79@operator()] Successfully locked display (cookie 1)
[DD 2016-05-26 08:20:17] [p2pdevicestub.cpp:179@OnGONegotiationSuccess]
[DD 2016-05-26 08:20:18] [managerstub.cpp:91@OnInterfaceAdded] path /fi/w1/wpa_supplicant1/Interfaces/3
[DD 2016-05-26 08:20:33] [managerstub.cpp:105@OnInterfaceRemoved] path /fi/w1/wpa_supplicant1/Interfaces/3
[DD 2016-05-26 08:20:33] [networkmanager.cpp:664@OnManagerInterfaceRemoved] path /fi/w1/wpa_supplicant1/Interfaces/3
[II 2016-05-26 08:21:17] [miracastcontrollerskeleton.cpp:220@OnHandleScan] Scanning for remote devices
[DD 2016-05-26 08:21:34] [p2pdevicestub.cpp:167@OnDeviceLost] Lost device /fi/w1/wpa_supplicant1/Interfaces/1/Peers/4e0bbdfa5630
[DD 2016-05-26 08:21:34] [networkmanager.cpp:413@OnDeviceLost] peer /fi/w1/wpa_supplicant1/Interfaces/1/Peers/4e0bbdfa5630
[II 2016-05-26 08:22:16] [miracastcontrollerskeleton.cpp:220@OnHandleScan] Scanning for remote devices
[WW 2016-05-26 08:22:17] [networkmanager.cpp:217@operator()] Reached a timeout while trying to connect with remote 4e:0b:bd:fa:56:30
[DD 2016-05-26 08:22:17] [p2pdevicestub.cpp:494@Cancel]
[DD 2016-05-26 08:22:17] [miracastservice.cpp:385@OnDeviceStateChanged] Device state changed: address 4e:0b:bd:fa:56:30 new state failure
[DD 2016-05-26 08:22:17] [miracastservice.cpp:338@AdvanceState] new state failure current state idle
[EE 2016-05-26 08:22:17] [p2pdevicestub.cpp:503@operator()] Failed to cancel P2P device operation: GDBus.Error:org.freedesktop.DBus.Error.UnknownMethod: Error return with empty body:
[DD 2016-05-26 08:22:17] [unitydisplaylock.cpp:113@operator()] Successfully unlocked display