Unity 5 Launch happened last March 3 !
It is an important date for 3D. Among other 1000 new features this version also deploys creations to WebGL format.
More info on Unity official blog
"March 3, 2015
Unity 5 is here. For everyone. Today is the big day. We’re launching Unity 5 globally. Today. Yes, you can all download it now. There are literally over a thousand improvements in Unity 5 that we’d love to talk about."
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