When configuring the plasma systemmonitor widgets, the often get stuck in a state, where changed configuration is applied anymore. E.g., when editing or enable/disable the title, the change is not applied to the widget. Sometimes it is also impossible to acutally change text fields (e.g., the title), since it the contained text is static. This seems to happen pretty reliably here after configuring the widget several times. See the attached screen recording as an example for the first case. Second case is hard to record, because one does not see, that I am acutally typing something.
Created attachment 136367 [details] screenrecording showing the bug
maybe related to Bug 433064 - systemmonitor line chart "amount of history to keep" has no effect
A possibly relevant merge request was started @ https://invent.kde.org/plasma/libksysguard/-/merge_requests/132
Git commit 1b6d0046f888b155cf5c4011b10d681c736b914f by David Redondo. Committed on 05/03/2021 at 13:00. Pushed by davidre into branch 'master'. Also emit showTitleChanged when reloading the config FIXED-IN:5.21.3 M +3 -2 faces/SensorFaceController.cpp https://invent.kde.org/plasma/libksysguard/commit/1b6d0046f888b155cf5c4011b10d681c736b914f
Git commit 24afd59161d1cffa1ac2c3168fc62b4658eaa3e7 by David Redondo. Committed on 05/03/2021 at 13:01. Pushed by davidre into branch 'Plasma/5.21'. Also emit showTitleChanged when reloading the config FIXED-IN:5.21.3 (cherry picked from commit 1b6d0046f888b155cf5c4011b10d681c736b914f) M +3 -2 faces/SensorFaceController.cpp https://invent.kde.org/plasma/libksysguard/commit/24afd59161d1cffa1ac2c3168fc62b4658eaa3e7