dotnet/roslynator

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Roslynator is a set of code analysis tools for C#, powered by Roslyn.

Stars: 3.5k
Forks: 294
Open beginner issues: 0
Indexed issues: 197
Avg merge: 2h 30m
Merged PRs (30d): 4

Dominant language: C#
License: No license data
Last GitHub push: Sep 2, 2026
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted

Beginner friendly Everything

Open All

197 open issues indexed

[Bug] `--include` flag does not handle space separated globs Open

Bug

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

dotnet/roslynator#1835 · Opened Sep 7, 2026
VS Marketplace link is broken or listing is missing Open

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

dotnet/roslynator#1830 · 2 reactions · Opened Aug 27, 2026
RCS9012: Use IsKind instead of Kind() comparison Open

Difficulty 4/5 3-5 days Newbie friendliness 65/100

dotnet/roslynator#1819 · Opened Aug 15, 2026
RCS0062 should provide an option to configure where to enfore the rule Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

dotnet/roslynator#1773 · Opened Jun 19, 2026
Opposite of RCS0008 namely "REMOVE blank line between closing brace and next statement" Open

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

dotnet/roslynator#1771 · Opened Jun 16, 2026
AsyncSuffixAnalyzer takes much time even though it's not active Open

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

dotnet/roslynator#1751 · Opened Mar 11, 2026
Please consider adding a Rider plugin Open

Feature Request up-for-grabs

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

dotnet/roslynator#1745 · 1 reaction · Opened Feb 20, 2026
Refactorings in record types Open

Area-Refactorings Feature Request

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

dotnet/roslynator#1741 · Opened Jan 23, 2026
RCS1263 „Parameter 'XY' could not be found“ with class primary constructor or record struct. Open

Area-Analyzers Bug

Difficulty 3/5 1-2 days Newbie friendliness 58/100

dotnet/roslynator#1730 · 2 comments · Opened Dec 20, 2025
[RCS1077] Rule produces incorrect formatting when applying code fixes (; placed on wrong indentation level) Open

Area-Analyzers Bug up-for-grabs

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

dotnet/roslynator#1728 · 1 comment · 1 reaction · Opened Dec 15, 2025
[RCS0054] Rule does not trigger on partially wrapped or single-line call chains Open

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

dotnet/roslynator#1723 · Opened Dec 9, 2025
[RCS0054] Add option to force "true" call chain formatting (start chain on new line) Open

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

dotnet/roslynator#1722 · Opened Dec 9, 2025
New analyzer to suggest adding IAsyncDisposable Open

Difficulty 5/5 Over a week Newbie friendliness 42/100

dotnet/roslynator#1719 · Opened Dec 4, 2025
RCS1192 - Not working for GeneratedRegex attribute Open

Area-Analyzers Bug up-for-grabs

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

dotnet/roslynator#1714 · 3 comments · Opened Nov 27, 2025
RCS1198 is causing false positives Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

dotnet/roslynator#1706 · 5 comments · Opened Nov 14, 2025
Codefix for adopting field keyword Open

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

dotnet/roslynator#1705 · Opened Nov 14, 2025
CLI 'fix' doesn't cover diagnostics that 'analyze' does Open

Area-CLI

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

dotnet/roslynator#1701 · 2 comments · Opened Nov 3, 2025
Feature request: Add analyzer for when DateTime is being assigned to a DateTimeOffset Open

Area-Analyzers Feature Request up-for-grabs

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

dotnet/roslynator#1696 · Opened Sep 30, 2025
CompilerServer request rejected Open

Area-Analyzers Bug

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

dotnet/roslynator#1695 · 3 comments · Opened Sep 26, 2025
roslynator.dotnet.cli version 0.10.2.0 not using latest Roslynator version 4.14.0.0 Open

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

dotnet/roslynator#1692 · 5 comments · Opened Sep 19, 2025
RCS1266: Suggest raw string literal for multi-line strings without quotes Open

Analyzer Options Area-Analyzers Feature Request up-for-grabs

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

dotnet/roslynator#1691 · 1 comment · Opened Sep 12, 2025
RCS1233 - Code fix changes logic in mixed logical and short circuit operators Open

Area-Analyzers Bug up-for-grabs

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

dotnet/roslynator#1690 · Opened Sep 4, 2025
RCS1249 - Not working in some cases Open

Area-Analyzers Help Wanted up-for-grabs

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

dotnet/roslynator#1659 · 1 comment · Opened Jun 5, 2025
New analyzer for unnecessary null coalescing Open

Area-Analyzers Feature Request

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

dotnet/roslynator#1658 · Opened Jun 5, 2025
RCS9003 - Only works with binary expressions Open

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

dotnet/roslynator#1657 · 1 comment · Opened Jun 5, 2025
Under .NET 8+ provide an analyzer promoting TimeProvider against direct use of DateTime.Now/UtcNow Open

Area-Analyzers Feature Request Help Wanted up-for-grabs

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

dotnet/roslynator#1651 · 2 reactions · Opened May 4, 2025
CLI not working on Linux Open

Area-CLI

Difficulty 3/5 1-2 days Newbie friendliness 55/100

dotnet/roslynator#1649 · 3 comments · 4 reactions · Opened May 2, 2025
<!DOCTYPE Project> breaks CLI Open

Area-CLI Bug

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

dotnet/roslynator#1646 · Opened Apr 29, 2025
Implicitly constructed arguments Open

Area-Analyzers Feature Request

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

dotnet/roslynator#1644 · Opened Apr 28, 2025
FR: Add an "all naming rule violations fixer" Open

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

dotnet/roslynator#1642 · 4 comments · Opened Apr 1, 2025
RCS0056 with raw strings issue Open

Area-Analyzers

dotnet/roslynator#1637 · 1 assignee · Opened Mar 22, 2025
Contribution proposal and discussion Open

Area-Analyzers Feature Request

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

dotnet/roslynator#1636 · 4 comments · Opened Mar 16, 2025
Add --ignore-constructors switch to find-symbol command Open

Area-CLI Feature Request up-for-grabs

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

dotnet/roslynator#1616 · 1 comment · Opened Feb 5, 2025
Add code fix for RCS1186: Convert Regex static call to [GeneratedRegex] Open

Area-Analyzers Feature Request up-for-grabs

Difficulty 4/5 3-5 days Newbie friendliness 20/100

dotnet/roslynator#1614 · Opened Feb 3, 2025
RCS1169 turned off but still gives Information message Open

Area-Analyzers Bug Need More Info

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

dotnet/roslynator#1613 · 7 comments · Opened Jan 30, 2025
RCS0036 without GenerateDocumentationFile shows error Open

Area-Analyzers Bug Need More Info

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

dotnet/roslynator#1608 · 3 comments · Opened Jan 17, 2025
RCS1163 unused parameter error even with leading underscore Open

Area-Analyzers Feature Request up-for-grabs

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

dotnet/roslynator#1594 · 3 comments · Opened Dec 6, 2024
Argument contains duplicate analyzer instances. (Parameter 'analyzers') Open

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

dotnet/roslynator#1592 · 9 comments · 6 reactions · Opened Dec 5, 2024
Invalid analyzer results in projects which target multiple frameworks with different language versions Open

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

dotnet/roslynator#1581 · 3 comments · Opened Nov 19, 2024
No .NET SDKs were found. Open

Area-CLI Bug

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

dotnet/roslynator#1580 · 1 comment · Opened Nov 17, 2024
Show reason for analyzer Open

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

dotnet/roslynator#1578 · 1 reaction · Opened Nov 12, 2024
Refactor: Append interpolated or concatenated string to Append calls Open

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

dotnet/roslynator#1562 · 4 comments · Opened Oct 12, 2024
Not working with C# Dev kit again Open

Difficulty 4/5 3-5 days Newbie friendliness 15/100

dotnet/roslynator#1546 · 1 comment · 1 reaction · Opened Oct 4, 2024
Formatting analyzer that checks existence/format of a file/license header Open

Area-Analyzers Feature Request

dotnet/roslynator#1516 · 3 comments · 1 reaction · 1 assignee · Opened Sep 14, 2024
Refactoring request: nullable values to ?? syntax Open

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

dotnet/roslynator#1507 · 1 comment · 1 reaction · Opened Aug 30, 2024
CLI command find-symbol could also offer the --match option Open

Area-CLI Feature Request up-for-grabs

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

dotnet/roslynator#1505 · 1 comment · Opened Aug 22, 2024
RCS1231 can cause perf implications and should probably be avoided in most scenarios when the struct is small Open

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

dotnet/roslynator#1499 · 6 comments · Opened Aug 11, 2024
Relax RCS1047 if the return value is a `ValueTask` Open

Area-Analyzers Need More Info

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

dotnet/roslynator#1495 · 3 comments · Opened Jul 31, 2024
RCS1077 for Min and Max Open

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

dotnet/roslynator#1493 · 1 reaction · Opened Jul 16, 2024
RCS1077 for ToDictionary Open

Difficulty 2/5 1-3 hours Newbie friendliness 52/100

dotnet/roslynator#1491 · 1 reaction · Opened Jul 16, 2024

dotnet/roslynator

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