[Quick update] It looks like Dropbox isn't the only AppIndicator that doesn't work in Ubuntu 17.04 Zesty Zapus (under Unity) due to the change of XDG_CURRENT_DESKTOP from "Unity" to "Unity:Unity7". Update (thanks Martin): the Dropbox AppIndicator no longer has this issue. Electron applications (such as the new Skype For Linux, WMail, PB For Desktop and many others) are affected … [Read more...] about Fix AppIndicator Not Working For Electron Apps In Ubuntu 17.04 Zesty Zapus w/ Unity