I think the 2 main "themes" of improvements for me in this version is UI/UX improvements and developer tools improvements. The UI/UX improvements are huge and most of the newly implemented UI things are things I have implemented myself (at great time/effort/cost) e.g latest KendoUI, better themes, modern menu and better menu options, tiles, advanced filters, query row (inline editing) widgets, improved charts and all of these UI stuff directly relates to UX as many of the new UI improvements improves the options we have in creating a great UX. The developer tools improvements are all of the small things that make life easier for a developer like worksheets, the scheduler improvements + all of the small things here and there that improves things. I also always like general improvements like the new REST options, JSON options, DQ function etc. etc. etc. and there are a lot of good general improvement stuff in this release as well.
All in all again I think this is the best version update in years. I think AwareIM has become such a mature product in this space when comparing it to a 10 years ago and is awesome to see and use.
