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1,207 Open 5,255 Closed
1,207 Open 5,255 Closed
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Issues list

ActivePatterns: Compilation issues (memory and speed) Bug Needs-Triage
#18425 opened Mar 28, 2025 by Thorium Backlog
4
fsi bug after .NET 9 update: non-HTTPS sources in nuget.config creates error even with allowInsecureConnections="true" config Bug Needs-Triage
#18424 opened Mar 28, 2025 by sahin52 Backlog
4
Strange behavior in runtime Needs-Triage
#18417 opened Mar 27, 2025 by ingted Backlog
1
Nested modules defined in the wrong parent module when preceded by a string interpolution (multi line) surrounded with parentheses Bug Needs-Triage
#18416 opened Mar 26, 2025 by MangelMaxime Backlog
2
Argument use detection is broken, and has been for a while Bug Needs-Triage
#18414 opened Mar 26, 2025 by KevinRansom Backlog
@T-Gro
FS0193: internal error: startIndex cannot be larger than length of string. (Parameter 'startIndex') Bug Needs-Triage
#18402 opened Mar 24, 2025 by IS4Code Backlog
Visual Studio constantly hangs for multitarget project - stacks point to F# code. Area-VS VS support for F# not covered elsewhere Bug Impact-High (Internal MS Team use only) Describes an issue with extreme impact on existing code.
#18392 opened Mar 17, 2025 by vsfeedback Backlog
Nullness issue - Regression in member constraint overload resolution with null-constrained methods from pre-F# 9-compiled code Area-Nullness Issues related to handling of Nullable Reference Types Bug Impact-Medium (Internal MS Team use only) Describes an issue with moderate impact on existing code.
#18390 opened Mar 16, 2025 by IS4Code
3 of 7 tasks
Backlog
@T-Gro
3
Namespace open is incorrectly reported as redundant Area-LangService-CodeFixes Code fixes associated with diagnostics Bug Impact-Low (Internal MS Team use only) Describes an issue with limited impact on existing code.
#18389 opened Mar 16, 2025 by Lanayx Backlog
2
Struct optional parameter with caller info attributes will fails in type check Area-Compiler-Checking Type checking, attributes and all aspects of logic checking Bug Impact-Medium (Internal MS Team use only) Describes an issue with moderate impact on existing code.
#18386 opened Mar 15, 2025 by ijklam March 2025
@T-Gro
RuntimeWrappedException cannot be caught Area-Compiler-CodeGen IlxGen, ilwrite and things at the backend Bug Impact-Low (Internal MS Team use only) Describes an issue with limited impact on existing code.
#18374 opened Mar 11, 2025 by IS4Code Backlog
4
Field in a record named the same as a DUs case inside of module of the same name of the record type fails to pattern match Area-Compiler-Checking Type checking, attributes and all aspects of logic checking Bug Impact-Low (Internal MS Team use only) Describes an issue with limited impact on existing code.
#18364 opened Mar 6, 2025 by MangelMaxime Backlog
Nullness issue - Can't cleanly implement INotifyPropertyChanged by publishing an Event Area-Nullness Issues related to handling of Nullable Reference Types Bug
#18361 opened Mar 5, 2025 by marklam
1 of 7 tasks
March 2025
@T-Gro
1
#r "nuget: .." in VisualFSI produces an interesting warning Area-VS-FSI VS window and commands for F# Interactive Bug Impact-Low (Internal MS Team use only) Describes an issue with limited impact on existing code.
#18357 opened Mar 4, 2025 by KevinRansom March 2025
Nullness issue – Publishing an event produces nullness warning Area-Nullness Issues related to handling of Nullable Reference Types Bug Impact-Low (Internal MS Team use only) Describes an issue with limited impact on existing code.
#18349 opened Mar 1, 2025 by xperiandri
1 of 7 tasks
March 2025
@T-Gro
Backwards compatibility broken Area-Compiler-SRTP bugs in SRTP inference, resolution, witness passing, code gen Bug Impact-High (Internal MS Team use only) Describes an issue with extreme impact on existing code.
#18344 opened Feb 27, 2025 by gusty March 2025
@T-Gro
2
Nullness issue – Invalid type constraint resolution on ILookup Area-Nullness Issues related to handling of Nullable Reference Types Bug Impact-Medium (Internal MS Team use only) Describes an issue with moderate impact on existing code.
#18334 opened Feb 22, 2025 by xperiandri March 2025
@T-Gro
CI should check the dev container setup Area-Tooling Generic tooling bugs and suggestions, which do not fall into any existing category. Continuous Improvement help wanted
#18321 opened Feb 17, 2025 by Martin521 Backlog
4
Using a non-null constant expression bound to a literal variable of a less-specific type generates invalid IL Area-Compiler-CodeGen IlxGen, ilwrite and things at the backend Bug Impact-Medium (Internal MS Team use only) Describes an issue with moderate impact on existing code.
#18319 opened Feb 14, 2025 by IS4Code Backlog
1
Static arguments for type providers cannot be of type "obj" Area-TypeProviders Feature Improvement
#18316 opened Feb 14, 2025 by IS4Code Backlog
3
"as" pattern with an identifier picks a literal Area-Compiler-PatternMatching pattern compilation, active patterns, performance, codegen Bug Impact-Medium (Internal MS Team use only) Describes an issue with moderate impact on existing code. Needs-design
#18315 opened Feb 13, 2025 by IS4Code Backlog
4
Cannot assign to byref-returning type functions Area-Compiler-Checking Type checking, attributes and all aspects of logic checking Bug Impact-Low (Internal MS Team use only) Describes an issue with limited impact on existing code.
#18313 opened Feb 13, 2025 by IS4Code Backlog
Unexpected warning The default value does not have the same type as the argument Area-Compiler-Checking Type checking, attributes and all aspects of logic checking Bug Impact-Medium (Internal MS Team use only) Describes an issue with moderate impact on existing code.
#18312 opened Feb 12, 2025 by BoundedChenn31 Backlog
1
Visual Studio Debugger error dialog: "To prevent an unsafe abort when evaluating the function *.__DebugDisplay" all threads where allowed to run. Area-Debug stepping, debug points, stacks and more Bug Impact-High (Internal MS Team use only) Describes an issue with extreme impact on existing code.
#18305 opened Feb 10, 2025 by smoothdeveloper March 2025
@psfinaki
5
WebApplicationFactory<Program> can only be used with workaround in F# aspnet integration tests Bug Needs-Triage
#18302 opened Feb 9, 2025 by jkone27 Backlog
3
ProTip! no:milestone will show everything without a milestone.