For speech rate in settings up/down move by 10, left/right move by 1. Easier to get settings right without having to hold doown the arrow keys lol.

internal/preferences/settings.go

@@ -132,6 +132,9 @@ func make_control(definition config.Definition, settings config.Settings, discov
 			control.Number = value.(float64)
 		}
 		control.Min, control.Max, control.Step = definition.Min, definition.Max, definition.Step
+		if definition.Path == "presentation.speech.rate" {
+			control.UpDownStep = 10
+		}
 	case reflect.String:
 		control.Kind, control.Text = interaction.Entry, value.(string)
 	case reflect.Slice: