When Microsoft will release a integration plugin for VS2015 like they did for Unity?
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Looking towards the future, Epic Games and Microsoft are working together closely to ensure full compatibility with Visual 2015 in later releases of the engine. Visual 2015 is expected to release some time later this year. Watch for upcoming announcements surrounding the support of this anticipated update.
https://www.unrealengine/blog/visual--community-comes-to-unreal-engine-4
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