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The F# compiler, F# core library, F# language service, and F# tooling integration for Visual Studio

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We need to: - Revisit packages we use, update what we can to the latest versions. - Clean up packages we do not use anymore - For example: Since we...

Contributor Pain
Engineering

Not sure if it's fixed by https://github.com/dotnet/fsharp/pull/12018, but it was on `main` branch from a few days ago inside VisualFSharp.sln.

Bug
good first issue
Impact-Medium
Area-Debug
help wanted

Most the time tasks are defined in functions, e.g. ```fsharp let f() = task { return 1 } ``` That's fine, however if you define a task as a top-level...

Bug
Impact-Medium
Area-Compiler-StateMachines

--- **Issue moved from dotnet/runtime#57922** - Please respond to @auslavs. --- _From @auslavs on Monday, August 23, 2021 8:01:05 AM_ When calling System.Drawing.Common within FSharp Interactive, the assembly cannot be...

Bug
Area-FSI
Impact-Medium

Given code like ```fs System.Text.Json.JsonSerializerOptions( JsonSerializerDefaults.Web, IgnoreNullValues = true) ``` `IgnoreNullValues` is obsolete but does not trigger a warning. Writing `System.Text.Json.JsonSerializerOptions().IgnoreNullValues` does properly warn.

Bug
good first issue
Impact-Low
Area-Compiler-Checking
help wanted

When creating a `FormattableString` from an interpolated string, escaped brackets (`{{` and `}}`) are not correctly handled, resulting in an invalid format string. See the comparison with C# below: **Repro...

Bug
good first issue
Impact-Medium
Area-Compiler-CodeGen
help wanted

I just installed VS 2022 Preview, pressed F12 on an external symbol, expected the error message box to pop up, and was shocked to my core when I saw the...

Feature Request
good first issue
Area-LangService-Navigation
help wanted

I am building a tool to enable F# scripting within a native windows application. I've run into an issue with the ability to use `#r nuget` directives. I have two...

Bug
Area-DependencyManager

Renaming in Visual Studio 2022 sometimes garbles the rename targets across the codebase. Repro: I am not yet able to consistently reproduce this error, but I suspect that it tends...

Bug
Area-LangService-RenameSymbol

I've been looking at debugging issues for computation expressions as part of #13339 . It's ultimately a request for the .NET debugger team but I'll write it up here first....

Feature Request
Area-Debug