CommunityOne in New York is actually better, than I expected. Even the general session was informative and technical (all about clouds). I'm going to hack the whole session a Java EE application (the full stack - I have 60 minutes) with the conditions described in the titile in about 2 hours - so looking forward to it :-).
Web Apps, SPA, PWA with vanilla Java Script (ES 6+), CSS 3 and WebStandards only. As simple as possible, but not simpler. See you at: (Progressive) Web apps, Single Page Apps and WebStandards airhacks workshops at MUC airport, Winter Edition
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