While it is great to see all those new features appearing in F# 4.1, the video gives a very narrow perspective on "what is new in F#" - it is a video about new language features in 4.1 and so this is to be expected - but if I was to list "what is new in F# in 2016", large portion of the list would include recent community contributions. Three recent projects are:
* http://fable.io, which is a modern F# to JavaScript compiler that lets you build Elm-style apps, access React and all that fun
* http://ionide.io which is an F# integration for Atom and VS Code that is doing amazing work towards bringing F# to a fully cross-platform ecosystem
* http://notebooks.azure.com which is (very new) free Microsoft-hosted Jupyter Notebook service that provides support for the usual suspects (R and Python), but also ships with great F# support out-of-the-box
In other words, I think the language is way ahead of the libraries and tooling - there is so much more that can be done (and is being done) using F# as-is!
* http://fable.io, which is a modern F# to JavaScript compiler that lets you build Elm-style apps, access React and all that fun
* http://ionide.io which is an F# integration for Atom and VS Code that is doing amazing work towards bringing F# to a fully cross-platform ecosystem
* http://notebooks.azure.com which is (very new) free Microsoft-hosted Jupyter Notebook service that provides support for the usual suspects (R and Python), but also ships with great F# support out-of-the-box
In other words, I think the language is way ahead of the libraries and tooling - there is so much more that can be done (and is being done) using F# as-is!