Plugin installation without restart

[Jiri Vlasak]

Dear JOSM devs,

I would like to ask about the difference between installing and upgrading JOSM
plugin. In my case, the installation does not the restart of JOSM [1]. However,
when the plugin is upgraded, the new functionality does not work until restart.

The plugin adds JMenu with multiple options.

Thanks,
jiri

[1]: https://josm.openstreetmap.de/wiki/DevelopersGuide/PluginInstallationWithoutRestart