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What's new in this version:

New Language Features:
- C# 7.0: Deconstruction
- C# 8.0: await foreach
- C# 8.0: Disposable ref structs
- C# 8.0: Enhanced using statements
- C# 8.0: switch expressions
- C# 9.0: init accessors
- C# 9.0: function pointers (see #2150)
- C# 9.0: foreach with GetEnumerator extension methods
- C# 9.0: Lambda parameter discards

General:
- Add an option to enable aggressive inlining of expressions
- Add option for string.Concat decompilation
- Add an option to always qualify member references
- ReadyToRun: Variable tracking in output
- ReadyToRun: Optimized debug info output
- Work on unifying the code formatting
- Tests upgraded to Roslyn 3.8.0-3.final

UI Improvements:
- Improve performance of Metadata DataGridCell
- Fix #2107: Add ScrollViewer around DisplaySettingsPanel
- Metadata: Improvements/fixes, see #2134, #2135, #2145, #2147 and #2153
- Updated Chinese translation

Bug fixes:
- Fix #2129: be more flexible about the initialization order for the async state machine
- Fix #2140: ILSpy 6.2p1 no longer respects "use discards" setting
- Fix #2139: ArgumentOutOfRangeException for some xmldoc
- Fix #2039: Code generated by VB's On Error Resume Next causes "unassigned variable" compile errors
- Fix #2156: range syntax not being detected correctly in some cases
- BAML decompiler: #2109 and #2106
- Fix #2086: Check that window belongs to ILSpy before sending it a WM_COPYDATA message
- Fix #2090: ignore mscorlib references without public key token, when trying to resolve mscorlib. This will automatically fallback to .NET 4.0's mscorlib.dll
- #1292: Fix some more problems with pinned locals
- Fix #1555: Eliminate value-type temporaries emitted by mcs on field reads
- Fix #2056: "remove branch into body" must be executed before the clone cleanup
- Fix #2101: reset removeExtraLoad flag if keepAssignmentBefore is set; implement simple case-de-duplication: abort if there are any duplicate cases
- Fix #2100: 'value'-named auto property could not be recognized correctly
- Fix #1441: Decompose flags enum values starting from the value with the highest Hamming Weight (popcount).