Created attachment 7943 UI Improvements The attached patch improves the default spacing of the Indicator Plugin's Preference dialog, while also dropping deprecated properties.
Sean Davis referenced this bugreport in commit f164e4272c491983227cc17e7282840b811d7890 Improved spacing, drop deprecated widget properties (Bug #14667) https://gitlab.xfce.org/panel-plugins/xfce4-indicator-plugin/commit/f164e4272c491983227cc17e7282840b811d7890