. "Reply controlflow says: April 11, 2014 at 11:29 am So??? you think we should drop support all the languages except C# and VB.NET, take a few years to rewrite our features to do AST transformations in a immutable way, write missing parts (currently Roslyn is less than 5% of R# by the number of LOC), drop our caches to do fast find usages (just compare it with Roslyn???s on a huge solution) and fast" . . . .