SUMMARY In the value field, when using the numeric pad of a keyboard, if your locale uses comma to separate units from decimals, the dot cannot be used. (it works well in a X11 session). STEPS TO REPRODUCE 1. Go in the "value" field 2. Write with the numeric pad of the keyboard a value "5.02" OBSERVED RESULT If your locale is comma separated, it reads 502,00 EXPECTED RESULT Automatically translate the dot to a comma, to read "5,02". SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: (available in About System) KDE Plasma Version: 5.22.1 KDE Frameworks Version: 5.83.0 Qt Version: 5.15.2 ADDITIONAL INFORMATION In works in an X11 session