Oracle's official GlassFish roadmap (also clustering, HA and Java EE 7, GlassFish v4) summarized on 14 slides. The excellent Java EE 5/6 portability (vendor-neutrality) story and this slide deck should give GlassFish the next popularity/adoption boost.
[I borrowed the title from slide 4]
Cloudy Jakarta EE and MicroProfile: Microservices, Clouds and Beyond Jakarta EE / MicroProfile airhacks workshops at MUC airport, Winter Edition
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