Black screen with 2.6 on Devuan 5

[Chirunos]

I'm getting a black window titled 'PsTube' with no decoration or icon. Clicking on it or typing something doesn't change anything. I can reproduce this with both the AppImage, deb package and tarball build. My GPU is an Intel GMA 4500MHD.

Terminal output:

[ERROR:flutter/lib/ui/ui_dart_state.cc(198)] Unhandled Exception: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.NetworkManager was not provided by any .service files
#0      DBusClient._callMethod (package:dbus/src/dbus_client.dart:1103)
<asynchronous suspension>
#1      DBusClient.callMethod (package:dbus/src/dbus_client.dart:609)
<asynchronous suspension>
#2      DBusRemoteObjectManager.getManagedObjects (package:dbus/src/dbus_remote_object_manager.dart:80)
<asynchronous suspension>
#3      NetworkManagerClient.connect (package:nm/src/network_manager_client.dart:2351)
<asynchronous suspension>
#4      ConnectivityLinux._startListenConnectivity (package:connectivity_plus_linux/src/connectivity.dart:61)
<asynchronous suspension>

[ERROR:flutter/lib/ui/ui_dart_state.cc(198)] Unhandled Exception: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.NetworkManager was not provided by any .service files
#0      DBusClient._callMethod (package:dbus/src/dbus_client.dart:1103)
<asynchronous suspension>
#1      DBusClient.callMethod (package:dbus/src/dbus_client.dart:609)
<asynchronous suspension>
#2      DBusRemoteObjectManager.getManagedObjects (package:dbus/src/dbus_remote_object_manager.dart:80)
<asynchronous suspension>
#3      NetworkManagerClient.connect (package:nm/src/network_manager_client.dart:2351)
<asynchronous suspension>
#4      ConnectivityLinux.checkConnectivity (package:connectivity_plus_linux/src/connectivity.dart:24)
<asynchronous suspension>
#5      InternetConnectivity.networkStatusService (package:pstube/data/controller/internet_connectivity.dart:31)
<asynchronous suspension>
#6      main (package:pstube/main.dart:29)
<asynchronous suspension>