Issues · icsharpcode/ILSpy · GitHub

We DO NOT own ilspy dot org
#3709 · christophwille opened on Apr 6, 2026
14
C# language support status
#829 · dgrunwald opened on Aug 27, 2017
3
Up For Grabs / Help Wanted
#1733 · christophwille opened on Oct 1, 2019

Labels Milestones

Ref local used after a loop is emitted as an uninitialized 'ref T x;' (CS8174)

#3827

· sailro opened

on Jun 26, 2026

Inlined hash accumulator becomes a constant overflow (CS0220) in decompiled GetHashCode

#3826

· sailro opened

on Jun 26, 2026

async IAsyncEnumerable with [EnumeratorCancellation] and await in finally decompiles to a raw state machine

#3825

· sailro opened

on Jun 26, 2026

Chained constructor call emitted as illegal in-body this..ctor(...) when a null-check is hoisted before it

#3824

· sailro opened

on Jun 26, 2026

Decompiler emits ?. / ?? over a ref-struct-returning member, producing CS8978 (cannot be made nullable)

#3821

· sailro opened

on Jun 26, 2026

Decompiler emits (object)/OpCode not supported: DynamicUnaryOperatorInstruction/ for ~ (one's-complement) on a dynamic operand (CS1525)

#3820

· sailro opened

on Jun 26, 2026

Decompiling foreach over an inline array emits invalid '<PrivateImplementationDetails>.InlineArrayElementRef'

#3804

· siegfriedpammer opened

on Jun 22, 2026

System.ArgumentOutOfRangeException: Index was out of range. (nested deconstruction causing crashes)

#3803

· NoahBPeterson opened

on Jun 22, 2026

Add decompiler accuracy tests as C#/VB.NET/F# snippets

#3800

· H-A-M-G-E-R opened

on Jun 22, 2026

Metadata explorer: decoding options and richer viewing for CustomDebugInformation blobs

#3764

· siegfriedpammer opened

on Jun 10, 2026

NullReferenceException generating portable PDB for runtime-async methods (.NET 11)

#3754

· siegfriedpammer opened

on Jun 10, 2026

runtime-async: pretty-test gaps in exception/try-finally rewriting

#3745

· siegfriedpammer opened

on May 20, 2026