Try running from konsole (or whatever):

kdialog --passivepopup "notification test"

Does that show correctly in the applet or incorrectly as you described the original problem?

On Sun, Mar 10, 2019 at 8:34 AM Neal Becker <> wrote:
Thanks for the quick response.  There is an icon (a circle with !) in the
panel for notifications, it just says 'no notifications' if I left click on
it.  But there are notifications that have popped up as described.

No messages in .xsession-errors that appear related.

Lots of messages in /var/log/messages like
Mar 10 09:31:26 nbecker2 krunner[20398]:
QML QQuickItem: Binding loop detected for property "implicitHeight"

Mar 10 09:32:04 nbecker2 plasmashell[20400]: qt.qpa.xcb: QXcbConnection: XCB
error: 2 (BadValue), sequence: 7453, resource id: 111149057, major code: 141
(Unknown), minor code: 3

Rex Dieter wrote:

> Your symptom can show if a notification applet isn't running.  Do you have
> one?  (or possible that plasmashell crashed?)
> On Sun, Mar 10, 2019 at 8:22 AM Neal Becker
> <> wrote:
>> Up until now, notifications showed up in the notification area near the
>> panel.  After last update (I think) notifications are showing up as
>> annoying
>> yellow rectangles which mostly appear on the right top of the screen.
>> These
>> boxes clutter up the screen and have to be clicked to remove.
>> Anyone know why the behavior suddenly changed and how to restore the
>> original?
>> Thanks,
>> Neal

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