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Issues list

Optimization of modulo 7 in DateTime.DayOfWeek area-System.DateTime help wanted [up-for-grabs] Good issue for external contributors tenet-performance Performance related issue
#115279 opened May 4, 2025 by jnyrup Future
@tarekgh
20
Timeout in HostFactoryResolverTests.NoSpecialEntryPointPatternCanRunInParallel area-Extensions-Hosting blocking-clean-ci Blocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms' help wanted [up-for-grabs] Good issue for external contributors Known Build Error Use this to report build issues in the .NET Helix tab test-bug Problem in test source code (most likely)
#114704 opened Apr 15, 2025 by steveharter 10.0.0
1
Regex engine throws index out of range area-System.Text.RegularExpressions bug help wanted [up-for-grabs] Good issue for external contributors
#114626 opened Apr 14, 2025 by LGL-Ben 10.0.0
1
@Copilot
9
Unbounded memory leak from DependencyInjectionEventSource area-Extensions-DependencyInjection help wanted [up-for-grabs] Good issue for external contributors
#114599 opened Apr 13, 2025 by stephentoub 10.0.0
6
RuntimePropertyInfo performance regression when used in a hash table area-System.Reflection help wanted [up-for-grabs] Good issue for external contributors tenet-performance Performance related issue
#114280 opened Apr 4, 2025 by jairbubbles 10.0.0
4
MetadataAggregator.GetGenerationHandle returns incorrect results for Guid heap handles area-System.Reflection.Metadata bug good first issue Issue should be easy to implement, good for first-time contributors help wanted [up-for-grabs] Good issue for external contributors
#113910 opened Mar 26, 2025 by tmat 10.0.0
1
7
Stack overflow in FileSystemWatcher when running as systemd service area-Extensions-FileSystem help wanted [up-for-grabs] Good issue for external contributors
#113855 opened Mar 24, 2025 by StephenCleary Future
27
typeof(object).IsAssignableFrom(typeof(RefStruct)) returns true, but it's not casteable to that type area-System.Reflection documentation Documentation bug or enhancement, does not impact product or test code help wanted [up-for-grabs] Good issue for external contributors
#113787 opened Mar 22, 2025 by Enderlook 10.0.0
6
Bug : regular expressions that never stops matching area-System.Text.RegularExpressions bug help wanted [up-for-grabs] Good issue for external contributors
#113734 opened Mar 20, 2025 by longxya 10.0.0
4
Support Socket.DuplicateAndClose through pidfd_getfd on Linux area-System.Net.Sockets help wanted [up-for-grabs] Good issue for external contributors
#113701 opened Mar 19, 2025 by NinoFloris Future
9
HttpClientFactory doesn't clean up after itself area-Extensions-HttpClientFactory help wanted [up-for-grabs] Good issue for external contributors
#113494 opened Mar 13, 2025 by ItsVeryWindy 10.0.0
1
@Copilot
8
MetadataLoadContext assembly binding behavior is documented incorrectly area-System.Reflection documentation Documentation bug or enhancement, does not impact product or test code help wanted [up-for-grabs] Good issue for external contributors
#113353 opened Mar 11, 2025 by reflectronic 10.0.0
2
Question about Sse2 Intrinsics Tests And use of private static area-System.Runtime.Intrinsics help wanted [up-for-grabs] Good issue for external contributors
#113231 opened Mar 6, 2025 by kkukshtel-unity
2
Suspicious code fragments in System.Text.Json area-Debugger-mono help wanted [up-for-grabs] Good issue for external contributors
#112344 opened Feb 10, 2025 by rip-mm Future
7
LdapSessionOptions.ReferralChasing property setter doesn't work on all Linux platforms area-System.DirectoryServices help wanted [up-for-grabs] Good issue for external contributors test-bug Problem in test source code (most likely)
#112146 opened Feb 4, 2025 by steveharter Future
1
OSFileStreamStrategy Seek Error is Confusing and not helpful. area-System.IO help wanted [up-for-grabs] Good issue for external contributors
#112112 opened Feb 4, 2025 by ProbablePrime Future
5
High Contention in MemoryCache _cacheSize Updates Causing Performance Degradation area-Extensions-Caching help wanted [up-for-grabs] Good issue for external contributors tenet-performance Performance related issue
#111959 opened Jan 29, 2025 by AkbarDizaji Future
4
Reassess usages of Path.GetInvalidFileNameChars() and Path.GetInvalidPathChars() area-System.IO help wanted [up-for-grabs] Good issue for external contributors
#111928 opened Jan 28, 2025 by jozkee 10.0.0
2
Add an editorconfig option to supress LibraryImport suggestion for blittable PInvokes area-System.Runtime.InteropServices code-analyzer Marks an issue that suggests a Roslyn analyzer help wanted [up-for-grabs] Good issue for external contributors
#111593 opened Jan 19, 2025 by MichalPetryka Future
5
Constant mod over chars can use a cheaper FastMod area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI help wanted [up-for-grabs] Good issue for external contributors in-pr There is an active PR which will close this issue when it is merged
#111492 opened Jan 16, 2025 by MihaZupan Future
1
@MihaZupan
1
HTTP/2 extended connect error message doesn't blame the server area-System.Net.Http help wanted [up-for-grabs] Good issue for external contributors
#111470 opened Jan 15, 2025 by Mrgaton Future
9
[Analyzer]: Regex.IsMatch guarding Regex.Match api-approved API was approved in API review, it can be implemented area-System.Text.RegularExpressions code-analyzer Marks an issue that suggests a Roslyn analyzer code-fixer Marks an issue that suggests a Roslyn code fixer help wanted [up-for-grabs] Good issue for external contributors
#111239 opened Jan 9, 2025 by stephentoub Future
1
Result of Regex.Match("wtfb",@"(.)()+?b") is not same as new Regex(@"(.)()+?b",RegexOptions.Compiled).Match("wtfb") area-System.Text.RegularExpressions help wanted [up-for-grabs] Good issue for external contributors
#111051 opened Jan 3, 2025 by longxya 10.0.0
@ovidiucosteanet
8
EnumBuilder.UnderlyingSystemType != EnumBuilder.CreateType().UnderlyingSystemType area-System.Reflection.Emit breaking-change Issue or PR that represents a breaking API or functional change over a prerelease. bug help wanted [up-for-grabs] Good issue for external contributors
#110924 opened Dec 24, 2024 by DanielBThayer 10.0.0
6
Missing test coverage for UnmanagedCallersOnly with CallconvFastcall area-Interop-coreclr help wanted [up-for-grabs] Good issue for external contributors
#110760 opened Dec 16, 2024 by MichalStrehovsky 10.0.0
1
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