Is a smooth transition possible from SDDM to Plasma?

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Hello everyone,

I configured SDDM to run on top of KWin (Wayland). This is my configuration file:

[General] 
DisplayServer=wayland 
GreeterEnvironment=QT_WAYLAND_SHELL_INTEGRATION=layer-shell 

[Wayland] 
CompositorCommand=kwin_wayland --drm --no-lockscreen --no-global-shortcuts --locale1

I am trying to log into a Plasma Wayland session. Now, here’s my dilemma: When I was using X11, after I typed in my password, SDDM would transition to Plasma very quickly and without any flicker.

X11 SDDM to Plasma Wayland caused a huge delay between the X server shutdown to the KWin compositor startup. But now that both SDDM and Plasma run on Wayland, SDDM’s KWin compositor needlessly shuts down just to start up again with another session.

Is it possible to transition smoothly between the two?

Thank you

2

Given that KDE has abandoned SDDM for plasma-login, it should be available in the future. Plasma login starts half of a KDE Plasma desktop session by design, rest will be started after login.

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