Top roslyn issues

Replacing obsolete type with var shouldn't suppress deprecation warning.

Area-Compilers

Move introduce local to the top of the list

Area-IDE Concept-Continuous Improvement IDE-CodeStyle Need Design Review

Can't use ?. in an expression returning a ReadOnlySpan

Area-Compilers Concept-Diagnostic Clarity Feature Request help wanted

Filters in CodeLens results for references

Area-External Developer Community Feature Request

Minor, the async usage "example" in some tooltips is wrong

Area-IDE Concept-Continuous Improvement IDE-IntelliSense

implementing a nullable guard method

Area-Compilers New Language Feature - Nullable Reference Types Question Resolution-Answered

Lots of code refactoring providers crashes when entering [ before a function argument.

Area-IDE Bug Developer Community IDE-CodeStyle Resolution-Fixed

error MSB6006: "csc.dll" exited with code 137

Area-Compilers Need More Info

'Generate Equals' should use `is object` rather than `!= null`

Area-IDE Concept-Continuous Improvement IDE-CodeStyle help wanted

SuppressMessage works in IDE but still produces warnings in build output

Area-Analyzers Bug Resolution-Fixed