Re: Bug#989511: /usr/bin/sddm-greeter: Journal warnings about Implicitly defined onFoo properties in Connections are deprecated

[a...@prnet.info]

This is almost one year old and still happen.
KDE 5.20.5 (framework 5.78.0)
Qt 5.15.2
kernel 5.15.0-0.bpo.3-amd64

sddm-greeter[2425]: Loading theme configuration from 
"/usr/share/sddm/themes/debian-theme/theme.conf


sddm-greeter[2425]: Loading 
file:///usr/share/sddm/themes/debian-theme/Main.qml...


sddm-greeter[2425]: 
file:///usr/lib/x86_64-linux-gnu/qt5/qml/SddmComponents/LayoutBox.qml:35:5: 
QML Connections: Implicitly defined onFoo properties in Connections are 
deprecated. Use this syntax instead: function onFoo() { ... }


sddm-greeter[2425]: 
file:///usr/share/sddm/themes/debian-theme/Main.qml:41:5: QML 
Connections: Implicitly defined onFoo properties in Connections are 
deprecated. Use this syntax instead: function onFoo() { ... }

Bug#989511: (no subject)

[a...@prnet.info]

I am seeing the same issue:

Sep 16 08:44:19 sddm-greeter[1596]: QFont::fromString: Invalid 
description '(empty)'

Sep 16 08:44:19 sddm[1448]: Message received from greeter: Connect
...
Sep 16 08:44:19 sddm-greeter[1596]: Loading 
file:///usr/share/sddm/themes/debian-theme/Main.qml...
Sep 16 08:44:19 upowerd[1672]: did not recognise USB path 
/sys/devices/platform/USBC000:00/power_supply/ucsi-source-psy-USBC000:001, 
please report
Sep 16 08:44:19 sddm-greeter[1596]: 
file:///usr/lib/x86_64-linux-gnu/qt5/qml/SddmComponents/LayoutBox.qml:35:5: 
QML Connections: Implicitly defined onFoo properties in Connections are 
deprecated. Use this syntax instead: function on>

...
Sep 16 08:44:30 sddm-helper[2373]: [PAM] Conversation with 1 messages
Sep 16 08:44:30 sddm-helper[2373]: gkr-pam: unable to locate daemon 
control file
Sep 16 08:44:30 sddm-helper[2373]: gkr-pam: stashed password to try 
later in open session

Sep 16 08:44:30 sddm-helper[2373]: [PAM] returning.
Sep 16 08:44:30 sddm-helper[2373]: pam_kwallet5(sddm:auth): (null): 
pam_sm_authenticate

Sep 16 08:44:30 sddm[1448]: Authenticated successfully
Sep 16 08:44:30 sddm-greeter[1596]: Message received from daemon: 
LoginSucceeded


Debian (11, Bullseye) up to date, kernel 5.10.0-18-amd64, KDE desktop: 
5.20.5, qt 5.15.2


What needs to be done to get rid of this, to fix this?