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DateOnly TryParseExact fails to parse basic ISO-8601 input

area-System.DateTime

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#123802 In dotnet/runtime;

· AlmightyLks opened on Jan 30, 2026

Cannot connect to Postgres in SSL mode from aspnet:10.0

area-System.Net.Security

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#123801 In dotnet/runtime;

· chrisfeltman opened on Jan 30, 2026

Mac process throws NSUncaughtSystemExceptionException with debugger attached

area-Diagnostics-coreclr

os-mac-os-xmacOS aka OSXmacOS aka OSX

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#123799 In dotnet/runtime;

· idigra opened on Jan 30, 2026

Improve system integration for Host

needs-area-labelAn area label is needed to ensure this gets routed to the appropriate area ownersAn area label is needed to ensure this gets routed to the appropriate area owners

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#123798 In dotnet/runtime;

· rosebyte opened on Jan 30, 2026

Assert.Equal failure in SocketAsyncEventArgsTest.Connect_Parallel_FailsOver (got 127.0.0.1:59851)

arch-arm64

area-System.Net.Sockets

Known Build ErrorUse this to report build issues in the .NET Helix tabUse this to report build issues in the .NET Helix tab

os-tvosApple tvOSApple tvOS

test-failure

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#123797 In dotnet/runtime;

· matouskozak opened on Jan 30, 2026

XHarness package install failure on iOS due to devicectl NSPOSIXErrorDomain error 49

arch-arm64

area-Infrastructure-mono

Known Build ErrorUse this to report build issues in the .NET Helix tabUse this to report build issues in the .NET Helix tab

os-iosApple iOSApple iOS

test-failure

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#123796 In dotnet/runtime;

· matouskozak opened on Jan 30, 2026

[wasm][coreclr] EH throw in filter enters infinite loop

area-ExceptionHandling-coreclr

Status: Open.

#123793 In dotnet/runtime;

· radekdoulik opened on Jan 30, 2026

·  

Future

JIT: Wrong result with comparisons

area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMICLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI

Status: Open.

#123790 In dotnet/runtime;

· jakobbotsch opened on Jan 30, 2026

·  

11.0.0

MSB4018: The "GenerateDepsFile" task failed unexpectedly

area-System.Text.Json

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#123789 In dotnet/runtime;

· vaLP2eh opened on Jan 30, 2026

JSON Text Sequences (RFC 7464) support by System.Text.Json

area-System.Text.Json

Status: Open.

#123788 In dotnet/runtime;

· progalgo opened on Jan 30, 2026

·  

Future

<code>LoggerMessageGenerator</code> emits malformed strings.

area-Extensions-Logging

bug

Status: Open.

#123786 In dotnet/runtime;

· John-Leitch opened on Jan 30, 2026

·  

11.0.0

[Linux][Alpine 3.23] SIGSEGV in gss_init_sec_context during concurrent SQL Server SSPI authentication

area-System.Net.Security

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#123782 In dotnet/runtime;

· jeremy-doss opened on Jan 29, 2026