Issues

• http://referencesource.microsoft.com/symbols symbol server is broken—returns HTML with 200 OK

  microsoft/referencesource#243 · Filter by author valco1994 opened on Aug 7, 2026

• Please include this repository in the list of https://source.dot.net

  microsoft/referencesource#242 · Filter by author BlinD-HuNTeR opened on Jul 21, 2026

• Shallow copy instead of deep copy used for prefix list in WebRequest.Create()

  microsoft/referencesource#241 · Filter by author adrian-klein opened on May 27, 2026

• Enumerable.Sum<Nullable<T>> has bad implementation

  microsoft/referencesource#240 · Filter by author Azure3bt opened on May 20, 2026

• RsaEncryptionCookieTransform Broken for Framework 4.7 & 4.8

  microsoft/referencesource#238 · Filter by author jaskirat-randhawa opened on Apr 20, 2026

• some computer ado.net handcount increasing

  microsoft/referencesource#235 · Filter by author staunchheart opened on Mar 10, 2026
  1

• First()/Last() and xxxOrDefault() variations check for IList, not IReadOnlyList for indexed optimzation

  microsoft/referencesource#233 · Filter by author marcus-sonestedt opened on Dec 8, 2025

• mscorlib recursive resource lookup bug

  microsoft/referencesource#232 · Filter by author JonathanBroad opened on Oct 31, 2025
  1

• HtmlAnchor.HRef is not html attribute encoded causing XSS issues.

  microsoft/referencesource#230 · Filter by author ToreOlavKristiansen opened on Oct 15, 2025

• In some extreme situations, like Exception raised in FlushFinalBlock call, the BaseStream remains open

  microsoft/referencesource#228 · Filter by author mpascalau opened on Sep 25, 2025

• Missing libraries - System.Transactions

  microsoft/referencesource#227 · Filter by author Satorent opened on Sep 22, 2025

• Please bring back referencesource. 😭

  microsoft/referencesource#226 · Filter by author SoIncredible opened on Sep 12, 2025

• This repository should not and cannot be a replacement for referencesource

  microsoft/referencesource#225 · Filter by author Kira-NT opened on Jul 26, 2025
  6

• All missing

  microsoft/referencesource#224 · Filter by author Elmue opened on Jul 18, 2025
  1

• PresentationCore source missing

  microsoft/referencesource#223 · Filter by author r0mai opened on Jul 8, 2025

• I need System.Windows namespace.

  microsoft/referencesource#222 · Filter by author fj-hashimoto opened on Jul 8, 2025

• Recommend an alternative tool: source.dot.net

  microsoft/referencesource#221 · Filter by author yll690 opened on Jul 5, 2025

• You should not have retired the online referencesource

  microsoft/referencesource#220 · Filter by author ivanxpetrov opened on Jul 4, 2025
  2

• Searching and navigating is much less powerful. This will never meet my needs.

  microsoft/referencesource#219 · Filter by author jnm2 opened on Jul 4, 2025
  2

• System.Runtime.Remoting is missing

  microsoft/referencesource#218 · Filter by author wimme opened on Jul 2, 2025

• Why You redirect from https://referencesource.microsoft.com/ ?

  microsoft/referencesource#217 · Filter by author m-urbanek opened on Jun 26, 2025

• ,Net WinForms reference source is now missing

  microsoft/referencesource#216 · Filter by author peter249 opened on Jun 22, 2025
  3

• Please bring referencesource.microsoft.com back!

  microsoft/referencesource#215 · Filter by author liang2zhu1 opened on Jun 19, 2025
  1

• Missing System.Windows.Forms and WPF dll

  microsoft/referencesource#213 · Filter by author Forgeron opened on Jun 19, 2025
  7

• RangeAttribute throws exception if value is outside range of type

  microsoft/referencesource#210 · Filter by author BillVanArk opened on May 26, 2025