This issue occurs when the Y coordinates differ from each other.
Therefore, these layouts work well.
noctalia-greeter/greeter.toml
[output] layout = "e-DP-1:0,0; HDMI-A-1:1440,0"
[output] layout = "e-DP-1:0,60; HDMI-A-1:1440,60"
when those differ:
noctalia-greeter/greeter.toml
[output] layout = "e-DP-1:0,60; HDMI-A-1:1440,0"
the expected result:

the result:

noctalia-greeter is up to date(as of 7/29/2026).
This issue occurs when the Y coordinates differ from each other.
Therefore, these layouts work well.
noctalia-greeter/greeter.toml
[output] layout = "e-DP-1:0,0; HDMI-A-1:1440,0"[output] layout = "e-DP-1:0,60; HDMI-A-1:1440,60"when those differ:
noctalia-greeter/greeter.toml
[output] layout = "e-DP-1:0,60; HDMI-A-1:1440,0"the expected result:


the result:
noctalia-greeter is up to date(as of 7/29/2026).