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[release/10.0] Assert Interop.Sys.LSeek(this, 0, Interop.Sys.SeekWhence.SEEK_CUR) >= 0 in System.Net.XXX tests

area-System.Net

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

Status: Closed (completed).

#121940 In dotnet/runtime;

· by ericstj was closed on Jun 30, 2026

JIT: boxing shouldn't be removed for escaping managed references

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: Closed (completed).

#122099 In dotnet/runtime;

· by EgorBo was closed on May 18, 2026

[browser][nodeJS] JSImport is causing a deadlock in .net10

arch-wasmWebAssembly architectureWebAssembly architecture

area-System.Runtime.InteropServices.JavaScript

os-browserBrowser variant of arch-wasmBrowser variant of arch-wasm

Status: Duplicate of an existing item.

#123186 In dotnet/runtime;

· by Problemkurs was closed on Jan 16, 2026

· Duplicate

ILLink analyzer crashes with MissingMethodException

area-Tools-ILLink.NET linker development as well as trimming analyzers.NET linker development as well as trimming analyzers

Status: Closed (completed).

Bug

#123503 In dotnet/runtime;

· by jjonescz was closed on Jun 23, 2026

[release/10.0] Update MicrosoftCodeAnalysisVersion_LatestVS

area-System.Reflection.Metadata

Servicing-considerIssue for next servicing release reviewIssue for next servicing release review

Status: Closed (abandoned).

dotnet/runtimenumber 123509

#123509 In dotnet/runtime;

· by sbomer was closed on Jan 30, 2026

Breaking change in JsonNodeConverter

area-System.Text.Json

bug

regression-from-last-release

Status: Closed (completed).

#123372 In dotnet/runtime;

· by NiceWaffel was closed on Mar 18, 2026

X509Chain.Build fails with NRE when ExtraStore certificates are reused within SslStream RemoteCertificateValidationCallback

area-System.Net.Security

Status: Closed (completed).

#123058 In dotnet/runtime;

· by brantburnett was closed on Apr 8, 2026

ZipArchive creates corrupted ZIP when writing large dataset with many repeated files

area-System.IO.Compression

bug

Status: Closed (completed).

#122489 In dotnet/runtime;

· by arekpalinski was closed on Mar 13, 2026

10.0.104 10.0.200 Regression with dotnet publish on macOS arm64 (exit code -11)

area-VM-coreclr

Status: Closed (completed).

#125513 In dotnet/runtime;

· by RDI-Blake was closed on Mar 13, 2026

xUnit v3 tests hang intermittently on .NET 10 with RuntimeAsync enabled

area-System.Threading

Status: Closed (completed).

#126325 In dotnet/runtime;

· by ericstj was closed on Apr 1, 2026

Regression .NET 10- Missing MetaDataGetDispenser export missing for PublishSingleFile=true, and --self-contained

area-Host

Status: Closed (completed).

#126634 In dotnet/runtime;

· by georgschausberger was closed on Apr 24, 2026

__fastfail() when in-proc COM server handles an exception

area-Interop-coreclr

needs-further-triageIssue has been initially triaged, but needs deeper consideration or reconsiderationIssue has been initially triaged, but needs deeper consideration or reconsideration

Status: Closed (completed).

#122346 In dotnet/runtime;

· by mediawolf was closed on Apr 22, 2026

[JIT] Incorrect code generation for readonly struct copy constructor on arm64

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: Closed (completed).

#126414 In dotnet/runtime;

· by martinpotter was closed on Apr 16, 2026

[release/10.0] Force MetaDataGetDispenser to be linked into singlefilehost

area-Host

Servicing-approvedApproved for servicing releaseApproved for servicing release

Status: Merged (completed).

dotnet/runtimenumber 127237

#127237 In dotnet/runtime;

· by github-actions was closed on Apr 24, 2026

ILC throws an IndexOutOfRangeException

area-NativeAOT-coreclr

Status: Closed (completed).

#126967 In dotnet/runtime;

· by filipnavara was closed on May 8, 2026

[release/10.0] Fix EncodeUnsignedInteger for test DSA signer

area-System.Security

Servicing-approvedApproved for servicing releaseApproved for servicing release

test-bugProblem in test source code (most likely)Problem in test source code (most likely)

Status: Merged (completed).

dotnet/runtimenumber 128005

#128005 In dotnet/runtime;

· by vcsjones was closed on May 26, 2026

[release/10.0] Fix assertions generated by optCreateJumpTableImpliedAssertions

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

Servicing-approvedApproved for servicing releaseApproved for servicing release

Status: Merged (completed).

dotnet/runtimenumber 127003

#127003 In dotnet/runtime;

· by github-actions was closed on May 18, 2026

[release/10.0] Fix heap_segment_used watermark after compaction

area-GC-coreclr

Servicing-approvedApproved for servicing releaseApproved for servicing release

Status: Merged (completed).

dotnet/runtimenumber 128342

#128342 In dotnet/runtime;

· by janvorli was closed on May 20, 2026

PerfMap / CodeFragmentHeap lock-ordering deadlock during GC suspension

area-VM-coreclr

Status: Closed (completed).

Bug

#128401 In dotnet/runtime;

· by leculver was closed on Jun 22, 2026

[release/10.0] Fix Uri.TryUnescapeDataString throwing instead of returning false with small destination buffers

area-System.Net

Status: Closed (abandoned).

dotnet/runtimenumber 128610

#128610 In dotnet/runtime;

· by github-actions was closed on Jun 1, 2026

[Release/10.0] JIT: Fix bug in GenTree::Equals (#128654)

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

Servicing-approvedApproved for servicing releaseApproved for servicing release

Status: Merged (completed).

dotnet/runtimenumber 128724

#128724 In dotnet/runtime;

· by AndyAyersMS was closed on May 29, 2026

[release/10.0] Add LOCKREADIFFAILRET to unlocked MDInternalRW read methods

area-VM-coreclr

Servicing-approvedApproved for servicing releaseApproved for servicing release

Status: Merged (completed).

dotnet/runtimenumber 128671

#128671 In dotnet/runtime;

· by github-actions was closed on Jun 2, 2026

.NET 10 regression: Runtime in COM server application crashes when it receives certain sequence of COM method calls (access violation)

area-Interop-coreclr

Status: Closed (completed).

#127512 In dotnet/runtime;

· by spkl was closed on Jun 9, 2026

[browser] Blazor - VTable setup of type WebAssemblyHostConfiguration failed

arch-wasmWebAssembly architectureWebAssembly architecture

area-VM-meta-mono

needs-further-triageIssue has been initially triaged, but needs deeper consideration or reconsiderationIssue has been initially triaged, but needs deeper consideration or reconsideration

os-browserBrowser variant of arch-wasmBrowser variant of arch-wasm

Status: Closed (completed).

#128495 In dotnet/runtime;

· by LuisPignataro was closed on Jun 19, 2026

[release/10.0] Fix UnsafeAccessor signature for byref struct this

area-System.Runtime.InteropServices

Servicing-approvedApproved for servicing releaseApproved for servicing release

Status: Merged (completed).

dotnet/runtimenumber 128851

#128851 In dotnet/runtime;

· by github-actions was closed on Jun 3, 2026