Issues

• .NET 11 Support

  razzmatazz/csharp-language-server#427 · Filter by author osemenovsky opened on Oct 5, 2026

• claude code throws "undefined is not an object (evaluating 'this.#handle')" on every operation attempt in 0.28.0. Works fine after downgrading to 0.27.0

  razzmatazz/csharp-language-server#426 · Filter by author kohowski opened on Sep 14, 2026

• only load one of three solutions (.sln)

  razzmatazz/csharp-language-server#370 · Filter by author liigo opened on Jun 10, 2026

• 30x Slower LSP Initialization with .NET10 & Unity?

  performance
  razzmatazz/csharp-language-server#352 · Filter by author Majavaa opened on Apr 13, 2026
  6

• Unexpected errors on when running cli program outside of directory with solution

  razzmatazz/csharp-language-server#321 · Filter by author nickbeaird opened on Feb 21, 2026
  5

• Support for detecting slnx files

  client:emacs
  razzmatazz/csharp-language-server#301 · Filter by author colombod opened on Jan 6, 2026
  5

• You must install .NET to run this application.

  documentation
  razzmatazz/csharp-language-server#259 · Filter by author asward opened on Aug 30, 2025
  4

• Solution detection loads wrong .sln when multiple solutions exist in subfolders

  razzmatazz/csharp-language-server#257 · Filter by author Adrianfss opened on Aug 22, 2025 · 0.21.0
  4

• Very slow in a large solution.

  performance
  razzmatazz/csharp-language-server#242 · Filter by author carlosalarconb opened on Jul 18, 2025 · 0.21.0
  8

• can we customize formatter?

  documentation
  razzmatazz/csharp-language-server#233 · Filter by author amirreza-sf80 opened on Jun 1, 2025 · 0.21.0
  2

• Format document does not honor final newline

  razzmatazz/csharp-language-server#229 · Filter by author NoirHare opened on May 14, 2025 · 0.21.0

• Stuck at loading solution in Unity Projects

  razzmatazz/csharp-language-server#219 · Filter by author rpopic2 opened on Mar 7, 2025
  1

• To establish a proper connection to csharp-ls from lsp, it seems like the lsp command needs to be executed twice

  client:emacs
  razzmatazz/csharp-language-server#218 · Filter by author stigl-cc opened on Feb 27, 2025 · 0.21.0
  2

• No instances of MSBuild could be detected

  documentation
  razzmatazz/csharp-language-server#215 · Filter by author pandasoli opened on Jan 8, 2025 · 0.21.0
  4

• Please describe WHY csharp-language-server exists as an alternative to omnisharp

  documentation
  razzmatazz/csharp-language-server#212 · Filter by author DinoChiesa opened on Dec 29, 2024
  1

• Autoimport with code suggestion.

  razzmatazz/csharp-language-server#210 · Filter by author kervanaslan opened on Dec 24, 2024 · 0.21.0
  1

• Go to implementation of interface - returns empty

  razzmatazz/csharp-language-server#206 · Filter by author opsidjflksdf opened on Dec 12, 2024

• No examples on how to configure csharp_ls

  documentation
  razzmatazz/csharp-language-server#193 · Filter by author NullDott opened on Oct 10, 2024 · 0.21.0

• Hot Reload package for Unity causes csharp-ls to stop working due to recreated solution files

  razzmatazz/csharp-language-server#192 · Filter by author midsbie opened on Oct 6, 2024 · 0.21.0
  2

• Autocompletion without .csproj / .sln files

  razzmatazz/csharp-language-server#188 · Filter by author it1shka opened on Sep 15, 2024
  1

• file operation: like move,rename or delete seems not supported

  razzmatazz/csharp-language-server#187 · Filter by author Wordluc opened on Aug 20, 2024 · 0.21.0
  4

• Support for hints, info

  razzmatazz/csharp-language-server#185 · Filter by author tXJtqlb3bbeKD1yW8SV7 opened on Aug 18, 2024
  1

• disable the autoformater

  razzmatazz/csharp-language-server#173 · Filter by author Arrow-x opened on Jul 1, 2024 · 0.21.0
  3

• Loggin with 0.14 doesn't work anymore

  razzmatazz/csharp-language-server#172 · Filter by author Wordluc opened on Jul 1, 2024
  3

• Very slow on large amount of projects / Large codebases

  performance
  razzmatazz/csharp-language-server#171 · Filter by author dakamakat opened on Jul 1, 2024 · 0.21.0
  12