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OmniSharp

2 indexed repositories · View on GitHub

omnisharp-roslyn
OmniSharp server (HTTP, STDIO) based on Roslyn workspaces

C# · 2065 stars
csharp-language-server-protocol
Language Server Protocol in C#

C# · 638 stars

Beginner friendly Everything

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version 2.0.0 build changes Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

OmniSharp/omnisharp-roslyn#2722 · Opened Sep 18, 2026
Does the build script add persistent artifacts to my machine without prompting? Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

OmniSharp/omnisharp-roslyn#2710 · 2 comments · Opened Aug 19, 2026
MediatR >=v9 licensing Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OmniSharp/csharp-language-server-protocol#1807 · Opened Aug 6, 2026
LSP 3.18 Support Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

OmniSharp/csharp-language-server-protocol#1764 · 3 comments · Opened Jun 9, 2026
Omnisharp fails to load .NET Framework projects when VS 2026 is installed Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

OmniSharp/omnisharp-roslyn#2705 · 2 reactions · Opened May 1, 2026
Extension keyword not supported. Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

OmniSharp/omnisharp-roslyn#2704 · Opened Apr 17, 2026
Odd behaviour when just syncing a date string Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OmniSharp/csharp-language-server-protocol#1689 · Opened Jan 27, 2026
Is .slnx support planned? Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

OmniSharp/omnisharp-roslyn#2699 · 4 comments · 1 reaction · Opened Dec 16, 2025
`workspace/symbols` method is not provided Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

OmniSharp/omnisharp-roslyn#2697 · Opened Nov 17, 2025
Custom handler isn't being called Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

OmniSharp/csharp-language-server-protocol#1615 · 1 comment · Opened Oct 18, 2025
OmniSharp LSP server fails to index large .NET repositories (e.g., aspnetcore) — never responds even after 1 hour timeout Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OmniSharp/omnisharp-roslyn#2694 · 2 comments · Opened Oct 15, 2025
LSP server ignores client capabilities resolveSupport and dataSupport Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

OmniSharp/omnisharp-roslyn#2693 · Opened Oct 4, 2025
LSP: could we use utf-8 without BOM when `-lsp --encoding utf-8` is specified? Open

Difficulty 3/5 1-2 days Newbie friendliness 50/100

OmniSharp/omnisharp-roslyn#2691 · Opened Sep 22, 2025
Error resolving OmniSharp runtime dependencies in MacOS bundles Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OmniSharp/omnisharp-roslyn#2690 · 4 comments · Opened Sep 19, 2025
Failing to build on CachyOS (Arch Linux) Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

OmniSharp/omnisharp-roslyn#2688 · 1 comment · Opened Aug 25, 2025
Why are 'refs' packaged in distributions? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OmniSharp/omnisharp-roslyn#2687 · Opened Aug 20, 2025
Failed to launch LSP on helix editor Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OmniSharp/omnisharp-roslyn#2686 · Opened Aug 17, 2025
Any issues with packaging this to Homebrew? Open

Difficulty 2/5 1-3 hours Newbie friendliness 25/100

OmniSharp/omnisharp-roslyn#2685 · Opened Aug 15, 2025
Unable to Initialize Client Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OmniSharp/csharp-language-server-protocol#1558 · Opened Jul 22, 2025
Implement `textDocument/selectionRange` to enable language-aware smart select in VS Code Open

Difficulty 5/5 Over a week Newbie friendliness 32/100

OmniSharp/omnisharp-roslyn#2678 · Opened Jul 14, 2025
.NET 6.0 and .NET 3.1 are EOL Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

OmniSharp/csharp-language-server-protocol#1552 · 1 reaction · Opened Jul 12, 2025
FileRename missing OldUri Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

OmniSharp/csharp-language-server-protocol#1545 · 3 comments · Opened Jul 1, 2025
Omnisharp package in Zed editor issue on macOs Silicon(Arm64) Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OmniSharp/omnisharp-roslyn#2677 · 5 comments · Opened Jun 20, 2025
Latest dotnet (v9.0.301) breaks omnisharp Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OmniSharp/omnisharp-roslyn#2676 · 7 comments · 6 reactions · Opened Jun 13, 2025
Omnisharp as language server sometimes sends null JsonRpc message Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OmniSharp/omnisharp-roslyn#2675 · 3 comments · 1 reaction · Opened May 18, 2025
System.InvalidOperationException: Unable to load Microsoft.AspNetCore.Razor.Utilities.Shared Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OmniSharp/omnisharp-roslyn#2673 · Opened May 14, 2025
goto definition tries to open an ominous /$metadata/Project/... path that doesn't exist Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

OmniSharp/omnisharp-roslyn#2672 · 9 comments · 2 reactions · Opened May 12, 2025
linux-bionic-arm64 built from feature/net8.0: MarshalDirectiveException Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OmniSharp/omnisharp-roslyn#2671 · 2 comments · Opened May 2, 2025
How to configure Roslynator Analyzers Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

OmniSharp/omnisharp-roslyn#2667 · 3 comments · Opened Apr 29, 2025
In XML documentation, some XML entities disappear Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

OmniSharp/omnisharp-roslyn#2662 · Opened Mar 14, 2025
Multiple issues trying to invoke directly on macOS Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

OmniSharp/omnisharp-roslyn#2659 · 1 comment · Opened Feb 18, 2025
How to logging to a file Open

Difficulty 2/5 1-3 hours Newbie friendliness 25/100

OmniSharp/omnisharp-roslyn#2658 · 2 comments · Opened Feb 5, 2025
InlayHint error Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OmniSharp/omnisharp-roslyn#2655 · 2 comments · Opened Feb 2, 2025
In XML documentation, URL tag damaged when followed by a period Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

OmniSharp/omnisharp-roslyn#2654 · 1 reaction · Opened Jan 31, 2025
Missing the resolve dependency code action Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OmniSharp/omnisharp-roslyn#2650 · 5 comments · 3 reactions · Opened Jan 28, 2025
With "enableAnalyzersSupport': true, `System.InvalidOperationException: Unable to load Microsoft.Extensions.Logging.Generators` Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OmniSharp/omnisharp-roslyn#2648 · 6 comments · 2 reactions · Opened Jan 13, 2025
LSP Client Initialize should return after capabilities response and not wait until server Initialized Message Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

OmniSharp/csharp-language-server-protocol#1408 · Opened Dec 3, 2024
LSPServerOutputFilter filtering valid initialize progress messages Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

OmniSharp/csharp-language-server-protocol#1390 · 2 comments · Opened Nov 10, 2024
Omnisharp intellisense neovim doesn't suggest classes from referenced projects. Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OmniSharp/omnisharp-roslyn#2643 · 2 comments · Opened Oct 11, 2024
Q: How to speed up start? Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

OmniSharp/omnisharp-roslyn#2640 · 4 comments · 2 reactions · Opened Sep 21, 2024
Can Language Server (LSP) run in the same process as devenv.exe ? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

OmniSharp/csharp-language-server-protocol#1347 · 1 comment · Opened Sep 13, 2024
Decompiler does not work when use dotnet-script Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

OmniSharp/omnisharp-roslyn#2638 · 1 reaction · Opened Sep 10, 2024
EnforceCodeStyleInBuild causes IDExxxx diagnostics to be duplicated Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OmniSharp/omnisharp-roslyn#2637 · Opened Sep 3, 2024
textDocument/documentSymbol does not respect client capabilities Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OmniSharp/omnisharp-roslyn#2633 · Opened Aug 17, 2024
WarningsAsErrors for `nullable` doesn't work as expected. Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

OmniSharp/omnisharp-roslyn#2630 · 2 comments · Opened Aug 15, 2024
Omnisharp stops working afeter upgrading Microsoft.CodeAnalysis.CSharp 4.9 -> 4.10 Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OmniSharp/omnisharp-roslyn#2629 · 1 comment · Opened Aug 14, 2024
Exception "No method by the name 'initialize' is found." Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OmniSharp/csharp-language-server-protocol#1318 · Opened Aug 13, 2024
Failed to handle request textDocument/codeAction, Unable to load Microsoft.Extensions.Logging.Generators Open

Difficulty 4/5 3-5 days Newbie friendliness 32/100

OmniSharp/omnisharp-roslyn#2627 · 4 comments · 6 reactions · Opened Aug 9, 2024
Unable to load System.Text.Json.SourceGeneration Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

OmniSharp/omnisharp-roslyn#2626 · 1 comment · 2 reactions · Opened Aug 6, 2024
How to set up omnisharp with roslynator Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

OmniSharp/omnisharp-roslyn#2625 · 2 comments · Opened Aug 1, 2024

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