Looks like we gonna have a new solution for exporting to the windows desktop soon.
Current XDK early access build v3172 already have this implemented (Intel XDK Early Access - Release - 2016 April 07 v3172)
Wonder how big the export will be.
Still, nice to have another option.
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newt didn't test it myself, but from what I see:
NWjs win64 folder = ~140MB (+ your game content)
crosswalk64 folder = ~95MB (+ your game content)
Since they use same stuff basically (chrome, etc) looks like it's roughly 50MB lighter.
The more options, the better. Looking forward to this.
Just a bit of a thought for the furure: Let's not get too dependent on XDK. Keep other options alive as well.