I can confirm this happens for me.
I did try to activate external monitor via xrandr, lxrandr and monitor setting
app.
It looks like when light-locker activates, it starts new Xorg instance,
and that new instance is using default monitor config: internal only, no
external ones.
--
You received
Public bug reported:
It does not seem to be possible to create network connections with no IP
addresses., for example for passive monitoring of existing link.
To reproduce:
(1) In nm-connection-editor, create a new connection of type 'Ethernet'.
(2) In "IPv4 settings", set Method to "Disabled"
(
Upstream bugs:
https://bugs.kde.org/show_bug.cgi?id=261596
https://bugs.kde.org/show_bug.cgi?id=180051
** Bug watch added: KDE Bug Tracking System #261596
https://bugs.kde.org/show_bug.cgi?id=261596
** Bug watch added: KDE Bug Tracking System #180051
https://bugs.kde.org/show_bug.cgi?id=180