fsprojects/FSharpLint

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Lint tool for F#

Stars: 327
Forks: 74
Open beginner issues: 0
Indexed issues: 71

Dominant language: F#
License: MIT
Last GitHub push: Sep 2, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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71 open issues indexed

Possible issue with SourceLengthHelper::stripMultilineComments ? Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

fsprojects/FSharpLint#869 · 2 comments · Opened Jul 12, 2026
Repo Assist? Open

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

fsprojects/FSharpLint#849 · 2 comments · Opened Mar 7, 2026
bug: Project-mode lint hangs when project.assets.json exists in obj/ directories Open

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

fsprojects/FSharpLint#840 · 7 comments · 2 reactions · Opened Feb 5, 2026
feat: Exception best practices Open

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

fsprojects/FSharpLint#838 · Opened Feb 3, 2026
feat: New rule ElifConsistency Open

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

fsprojects/FSharpLint#836 · Opened Jan 31, 2026
bug: AvoidSinglePipeOperator false negative Open

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

fsprojects/FSharpLint#827 · Opened Jan 22, 2026
feat: Rule to recommend `string ex` over `ex.ToString()` Open

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

fsprojects/FSharpLint#814 · Opened Jan 6, 2026
bug: `dotnet fsharplint lint existingFile1.fs existingFile2.fs` only analyzes the last file Open

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

fsprojects/FSharpLint#802 · 1 reaction · Opened Dec 24, 2025
bug: FL87 false negative Open

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

fsprojects/FSharpLint#801 · Opened Dec 24, 2025
Should check for existence of --argument instead of fallingback to <inline source>? Open

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

fsprojects/FSharpLint#800 · Opened Dec 23, 2025
Net 10.0 Open

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

fsprojects/FSharpLint#789 · 12 comments · Opened Nov 21, 2025
Is the 'deployReleaseBinaries' CI build step supposed to run the unit tests 3 times? Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

fsprojects/FSharpLint#781 · 1 comment · Opened Nov 13, 2025
Do not write `ConsoleStartingFile` and `ConsoleFinishedFile` when format is MSBuild Open

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

fsprojects/FSharpLint#749 · Opened Jul 15, 2025
Tool name is `dotnet-fsharplint` while documentation states `fsharplint` Open

Difficulty 2/5 1-3 hours Newbie friendliness 42/100

fsprojects/FSharpLint#746 · 5 comments · Opened Jul 14, 2025
Checking on on maintainers status Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

fsprojects/FSharpLint#721 · 4 comments · 6 reactions · Opened Apr 2, 2025
bug: MemberNames rule triggers on compiler generated delegate member Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

fsprojects/FSharpLint#717 · 1 comment · Opened Nov 5, 2024
bug: Warning for `override` member names can lead to erroneous suggestions Open

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

fsprojects/FSharpLint#712 · 1 reaction · Opened Jul 2, 2024
feat: Categorization of rules with configuration? Open

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

fsprojects/FSharpLint#708 · 1 reaction · Opened Apr 4, 2024
feat: Don't do new Regex.Match in a loop: rather create a Regex and then match that in your loop Open

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

fsprojects/FSharpLint#707 · Opened Mar 15, 2024
feat: Avoid double-lookup dictionaries: .ContainsKey key followed by indexer call .[key] Open

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

fsprojects/FSharpLint#706 · 1 comment · 1 reaction · Opened Mar 15, 2024
Define JSON schema for `fsharplint.json` config file Open

Difficulty 3/5 1-2 days Newbie friendliness 40/100

fsprojects/FSharpLint#701 · 1 reaction · Opened Mar 3, 2024
feat: ExplicitPrecedenceViaParentheses rule Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

fsprojects/FSharpLint#700 · 1 comment · Opened Feb 17, 2024
feat: "DotnetNamingConventions" rule Open

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

fsprojects/FSharpLint#693 · 1 comment · Opened Jan 31, 2024
feat: Warn about possibly unreachable try-catch with Async jobs Open

Difficulty 5/5 Over a week Newbie friendliness 38/100

fsprojects/FSharpLint#686 · Opened Jan 20, 2024
Create an API layer for external process (eg: FsAutoComplete) Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

fsprojects/FSharpLint#627 · 1 comment · 2 reactions · Opened Dec 10, 2023
Running on project with TargetFrameworks including `net6.0` fails with: "The exception has been reported." Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

fsprojects/FSharpLint#618 · 14 comments · Opened Nov 23, 2023
Reraise firing too agressively Open

needs-info

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

fsprojects/FSharpLint#602 · 1 comment · Opened Oct 9, 2023
Doesnt seem to run in github action Open

needs-info

Difficulty 4/5 3-5 days Newbie friendliness 28/100

fsprojects/FSharpLint#601 · 7 comments · Opened Jul 2, 2023
Suggestion : Detect `[Type].map f |> [Type].choose g` and propose change to `[Type].choose (f >> g)` Open

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

fsprojects/FSharpLint#600 · Opened Jun 8, 2023
net7.0 projects fail to parse (with exception generated at RedundantNewKeyword rule, msg `'IDisposable' required here is not available. You should add a reference to the assembly "netstandard"...`) Open

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

fsprojects/FSharpLint#598 · 4 comments · Opened Feb 28, 2023
Original message: The type 'IServer' is required here and is unavailable. Open

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

fsprojects/FSharpLint#575 · 7 comments · Opened Oct 21, 2022
Feature Request: favour typed Async.Ignore Open

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

fsprojects/FSharpLint#574 · Opened Oct 21, 2022
Detect map indexing as a use of a partial function Open

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

fsprojects/FSharpLint#568 · Opened Sep 26, 2022
TupleCommaSpacing false positive Open

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

fsprojects/FSharpLint#567 · 1 comment · Opened Sep 14, 2022
FSharpLint is significantly slow for certain .fsproj files Open

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

fsprojects/FSharpLint#558 · 12 comments · Opened Jul 20, 2022
Adding SARIF result format support for FSharpLint Open

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

fsprojects/FSharpLint#554 · 1 comment · 2 reactions · Opened Jun 1, 2022
Rule to recommend if-else construct instead of match clause Open

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

fsprojects/FSharpLint#545 · 2 comments · Opened May 2, 2022
Rule for `List.length l = 1` and `l.Length = 1` Open

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

fsprojects/FSharpLint#543 · 2 comments · Opened Apr 19, 2022
Can not start the cli tool: "No instances of MSBuild could be detected" Open

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

fsprojects/FSharpLint#536 · 4 comments · 3 reactions · Opened Feb 3, 2022
Should favour names in DU members (and maybe pattern matching?) Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

fsprojects/FSharpLint#525 · Opened Dec 15, 2021
Async-related rules Open

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

fsprojects/FSharpLint#517 · Opened Oct 19, 2021
Enable #nowarn to disable FSharpLint warnings Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

fsprojects/FSharpLint#502 · 1 comment · Opened Sep 19, 2021
Documentation says nothing about fsharplint.json file Open

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

fsprojects/FSharpLint#488 · 1 comment · 2 reactions · Opened Jun 29, 2021
FL0035: False positive with Active Patterns Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

fsprojects/FSharpLint#484 · Opened Jun 23, 2021
.NET tool is net5 Open

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

fsprojects/FSharpLint#483 · 6 comments · Opened Jun 17, 2021
FL0034: False positive with C# Action<XXX> Open

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

fsprojects/FSharpLint#481 · Opened Apr 26, 2021
Running FSharpLint from CI Open

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

fsprojects/FSharpLint#480 · 3 comments · Opened Mar 29, 2021
Parse error Open

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

fsprojects/FSharpLint#479 · 3 comments · Opened Feb 26, 2021
FL0034: False positive with F# 5 Open

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

fsprojects/FSharpLint#469 · Opened Nov 12, 2020
Unable to disable hint lints (FL0065) Open

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

fsprojects/FSharpLint#466 · 1 comment · Opened Oct 17, 2020

fsprojects/FSharpLint

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