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Created attachment 890 [details]
Mono master has a new profile mscorlib and a new compiler which is not detected by MD which will always use dmcs for 4.5 profile causing problem by referencing wrong "old" 4.0 mscorlib.
IntelliSense works but compilation fails with
error CS0234: The type or namespace name `IReadOnlyDictionary' does not exist in the namespace `System.Collections.Generic'. Are you missing an assembly reference?
Is this still the case? I thought MD was able to use 4.5 now.
It's still the case
Marking dup of the other as it has more info, and the underlying issue is the same.
*** This bug has been marked as a duplicate of bug 3984 ***