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OX-02: one generic Owen.VisualStudio host — live OWN diagnostics in Visual Studio (GO_OWEN_VISUAL_STUDIO_ALPHA) #2533

OX-02: one generic Owen.VisualStudio host — live OWN diagnostics in Visual Studio (GO_OWEN_VISUAL_STUDIO_ALPHA)

OX-02: one generic Owen.VisualStudio host — live OWN diagnostics in Visual Studio (GO_OWEN_VISUAL_STUDIO_ALPHA) #2533

Triggered via pull request October 4, 2026 04:18
Status Success
Total duration 16m 8s
Artifacts 3

ci.yml

on: pull_request
C# leak extractor (Roslyn) -> OwnIR -> core
6m 54s
C# leak extractor (Roslyn) -> OwnIR -> core
lint (ruff + mypy --strict)
13s
lint (ruff + mypy --strict)
rust (fmt + clippy + tests)
36s
rust (fmt + clippy + tests)
formal kernel (fmt + clippy + twins + fast Kani)
1m 23s
formal kernel (fmt + clippy + twins + fast Kani)
Windows-native mutation campaign (own-check.ps1 + the drive-rooted locator arm)
7m 42s
Windows-native mutation campaign (own-check.ps1 + the drive-rooted locator arm)
Stage-2 mutation campaign, Windows verdict (gate only, records nothing)
3m 44s
Stage-2 mutation campaign, Windows verdict (gate only, records nothing)
shadow compare (committed corpus)
51s
shadow compare (committed corpus)
audit aggregation selftests
9s
audit aggregation selftests
release-workflow environment-protection predicate (fixture-driven)
5s
release-workflow environment-protection predicate (fixture-driven)
extended codegen fuzz
38s
extended codegen fuzz
golden C# compiles & runs (.NET)
20s
golden C# compiles & runs (.NET)
OwnTS (React useEffect) -> OwnIR -> core
8s
OwnTS (React useEffect) -> OwnIR -> core
OwnTS OSS true positives -> runtime leak proof (jsdom)
10s
OwnTS OSS true positives -> runtime leak proof (jsdom)
own-check repo scan (github + msbuild) + composite action
2m 17s
own-check repo scan (github + msbuild) + composite action
own-check.ps1 exit-code tiers (Windows)
2m 15s
own-check.ps1 exit-code tiers (Windows)
own-check SARIF -> GitHub code scanning (Rust dog-food)
1m 51s
own-check SARIF -> GitHub code scanning (Rust dog-food)
P-014 Tier B — external reference resolution (--ref-dir)
27s
P-014 Tier B — external reference resolution (--ref-dir)
corpus benchmark (real C# recall + specificity)
4m 18s
corpus benchmark (real C# recall + specificity)
Owen.VisualStudio in a real Visual Studio (unsaved edit -> squiggle + Error List)
7m 57s
Owen.VisualStudio in a real Visual Studio (unsaved edit -> squiggle + Error List)
Matrix: Owen extension substrate (Owen.Build + Owen.TypedBuilder, isolated consumer)
Matrix: Owen live service (in-process extractor, owen serve, build/live parity)
Matrix: own-cli (ownir parity replay)
Matrix: owen CLI (gate A) — clean install -> check -> findings
Matrix: #263-A measurement instrument (CALIBRATION_ONLY)
Matrix: owen --engine (#262 Stage 1 controls)
Matrix: Rust-default dogfood (Own.NET's own tree, via own-cli)
Matrix: state protocols (C# -> OwnIR v1, real ASP.NET Core + EF Core backend)
Matrix: tests
shadow compare (C# samples)
40s
shadow compare (C# samples)
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Annotations

20 errors, 79 warnings, and 26 notices
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/CloseReleaseSample.cs#L37
IDisposable field '_xconn' (type 'FakeConnection') is never disposed — its owner 'ClosesOtherInstanceField' leaks it (leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/CloseReleaseSample.cs#L26
IDisposable field '_leakedConn' (type 'FakeConnection') is never disposed — its owner 'LeaksUnclosed' leaks it (leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AppDomainShutdownSample.cs#L54
event 'SomeBus.Pinged' is subscribed (handler '(_, _) => cts.Cancel()') to a static (process-lived) event source that outlives 'NonAppDomainSubscriber'; the strong subscription promotes 'NonAppDomainSubscriber' to the source's lifetime, so it can never be collected — a region escape (leak, no release path — and being an inline lambda it has no '-=' handle, so it could never be detached)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AppDomainShutdownSample.cs#L34
event 'AppDomain.CurrentDomain.ProcessExit' is subscribed (handler '(_, _) => _count++') to a static (process-lived) event source that outlives 'CapturingShutdownSubscriber'; the strong subscription promotes 'CapturingShutdownSubscriber' to the source's lifetime, so it can never be collected — a region escape (leak, no release path — and being an inline lambda it has no '-=' handle, so it could never be detached)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AliasDisposeSample.cs#L75
IDisposable field '_scopedLeak' (type 'CancellationTokenSource') is never disposed — its owner 'ScopedAliasNameLeak' leaks it (leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AliasDisposeSample.cs#L57
IDisposable field '_refRebound' (type 'CancellationTokenSource') is never disposed — its owner 'RefReboundAliasLeaks' leaks it (leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AliasDisposeSample.cs#L42
IDisposable field '_rebound' (type 'CancellationTokenSource') is never disposed — its owner 'ReboundAliasLeaks' leaks it (leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AliasDisposeSample.cs#L29
IDisposable field '_neverDisposed' (type 'CancellationTokenSource') is never disposed — its owner 'AliasNeverDisposes' leaks it (leak)
OWN001: frontend/roslyn/samples/ColumnAnchorsSample.cs#L51
[OWN001] IDisposable local 'second' is never disposed (leak) [resource: disposable]
OWN001: frontend/roslyn/samples/ColumnAnchorsSample.cs#L51
[OWN001] IDisposable local 'first' is never disposed (leak) [resource: disposable]
OWN001: frontend/roslyn/samples/CloseReleaseSample.cs#L37
[OWN001] IDisposable field '_xconn' (type 'FakeConnection') is never disposed — its owner 'ClosesOtherInstanceField' leaks it (leak) [resource: disposable field]
OWN001: frontend/roslyn/samples/CloseReleaseSample.cs#L26
[OWN001] IDisposable field '_leakedConn' (type 'FakeConnection') is never disposed — its owner 'LeaksUnclosed' leaks it (leak) [resource: disposable field]
OWN014: frontend/roslyn/samples/AppDomainShutdownSample.cs#L54
[OWN014] event 'SomeBus.Pinged' is subscribed (handler '(_, _) => cts.Cancel()') to a static (process-lived) event source that outlives 'NonAppDomainSubscriber'; the strong subscription promotes 'NonAppDomainSubscriber' to the source's lifetime, so it can never be collected — a region escape (leak, no release path — and being an inline lambda it has no '-=' handle, so it could never be detached) [resource: subscription token]
OWN014: frontend/roslyn/samples/AppDomainShutdownSample.cs#L34
[OWN014] event 'AppDomain.CurrentDomain.ProcessExit' is subscribed (handler '(_, _) => _count++') to a static (process-lived) event source that outlives 'CapturingShutdownSubscriber'; the strong subscription promotes 'CapturingShutdownSubscriber' to the source's lifetime, so it can never be collected — a region escape (leak, no release path — and being an inline lambda it has no '-=' handle, so it could never be detached) [resource: subscription token]
OWN001: frontend/roslyn/samples/AliasDisposeSample.cs#L75
[OWN001] IDisposable field '_scopedLeak' (type 'CancellationTokenSource') is never disposed — its owner 'ScopedAliasNameLeak' leaks it (leak) [resource: disposable field]
OWN001: frontend/roslyn/samples/AliasDisposeSample.cs#L57
[OWN001] IDisposable field '_refRebound' (type 'CancellationTokenSource') is never disposed — its owner 'RefReboundAliasLeaks' leaks it (leak) [resource: disposable field]
OWN001: frontend/roslyn/samples/AliasDisposeSample.cs#L42
[OWN001] IDisposable field '_rebound' (type 'CancellationTokenSource') is never disposed — its owner 'ReboundAliasLeaks' leaks it (leak) [resource: disposable field]
OWN001: frontend/roslyn/samples/AliasDisposeSample.cs#L29
[OWN001] IDisposable field '_neverDisposed' (type 'CancellationTokenSource') is never disposed — its owner 'AliasNeverDisposes' leaks it (leak) [resource: disposable field]
rust (fmt + clippy + tests)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
lint (ruff + mypy --strict)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
golden C# compiles & runs (.NET)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
tests (py3.12)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
tests (py3.13)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
extended codegen fuzz
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
Owen live service (in-process extractor, owen serve, build/live parity) (windows-latest)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
own-check.ps1 exit-code tiers (Windows)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
release-workflow environment-protection predicate (fixture-driven)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
state protocols (C# -> OwnIR v1, real ASP.NET Core + EF Core backend) (ubuntu-latest)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
own-cli (ownir parity replay) (ubuntu-latest)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
Owen live service (in-process extractor, owen serve, build/live parity) (ubuntu-latest)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
own-cli (ownir parity replay) (windows-latest)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
Owen extension substrate (Owen.Build + Owen.TypedBuilder, isolated consumer) (ubuntu-latest)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
audit aggregation selftests
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
own-check SARIF -> GitHub code scanning (Rust dog-food)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/cache@v4, actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@v4, actions/setup-python@v5. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
own-check SARIF -> GitHub code scanning (Rust dog-food): frontend/roslyn/OwnSharp.Extractor/Program.cs#L5753
Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'HashSet<string>.HashSet(IEnumerable<string> collection, IEqualityComparer<string>? comparer)' due to differences in the nullability of reference types.
#263-A measurement instrument (CALIBRATION_ONLY) (ubuntu-latest)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
OwnTS OSS true positives -> runtime leak proof (jsdom)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/setup-node@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
owen CLI (gate A) — clean install -> check -> findings (ubuntu-latest)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
owen CLI (gate A) — clean install -> check -> findings (ubuntu-latest): frontend/roslyn/OwnSharp.Extractor/Program.cs#L5753
Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'HashSet<string>.HashSet(IEnumerable<string> collection, IEqualityComparer<string>? comparer)' due to differences in the nullability of reference types.
owen --engine (#262 Stage 1 controls) (ubuntu-latest)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
owen --engine (#262 Stage 1 controls) (ubuntu-latest): frontend/roslyn/OwnSharp.Extractor/Program.cs#L5753
Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'HashSet<string>.HashSet(IEnumerable<string> collection, IEqualityComparer<string>? comparer)' due to differences in the nullability of reference types.
owen --engine (#262 Stage 1 controls) (ubuntu-latest): frontend/roslyn/OwnSharp.Extractor/Program.cs#L5753
Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'HashSet<string>.HashSet(IEnumerable<string> collection, IEqualityComparer<string>? comparer)' due to differences in the nullability of reference types.
shadow compare (committed corpus)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
P-014 Tier B — external reference resolution (--ref-dir)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
P-014 Tier B — external reference resolution (--ref-dir): frontend/roslyn/OwnSharp.Extractor/Program.cs#L5753
Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'HashSet<string>.HashSet(IEnumerable<string> collection, IEqualityComparer<string>? comparer)' due to differences in the nullability of reference types.
OwnTS (React useEffect) -> OwnIR -> core
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
#263-A measurement instrument (CALIBRATION_ONLY) (windows-latest)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
formal kernel (fmt + clippy + twins + fast Kani)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
Windows-native mutation campaign (own-check.ps1 + the drive-rooted locator arm)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
Rust-default dogfood (Own.NET's own tree, via own-cli) (windows-latest)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
Rust-default dogfood (Own.NET's own tree, via own-cli) (windows-latest): frontend/roslyn/OwnSharp.Extractor/Program.cs#L5753
Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'HashSet<string>.HashSet(IEnumerable<string> collection, IEqualityComparer<string>? comparer)' due to differences in the nullability of reference types.
owen CLI (gate A) — clean install -> check -> findings (windows-latest)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
owen CLI (gate A) — clean install -> check -> findings (windows-latest): frontend/roslyn/OwnSharp.Extractor/Program.cs#L5753
Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'HashSet<string>.HashSet(IEnumerable<string> collection, IEqualityComparer<string>? comparer)' due to differences in the nullability of reference types.
Owen extension substrate (Owen.Build + Owen.TypedBuilder, isolated consumer) (windows-latest)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
Rust-default dogfood (Own.NET's own tree, via own-cli) (ubuntu-latest)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
Rust-default dogfood (Own.NET's own tree, via own-cli) (ubuntu-latest): frontend/roslyn/OwnSharp.Extractor/Program.cs#L5753
Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'HashSet<string>.HashSet(IEnumerable<string> collection, IEqualityComparer<string>? comparer)' due to differences in the nullability of reference types.
Stage-2 mutation campaign, Windows verdict (gate only, records nothing)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
owen --engine (#262 Stage 1 controls) (windows-latest)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
owen --engine (#262 Stage 1 controls) (windows-latest): frontend/roslyn/OwnSharp.Extractor/Program.cs#L5753
Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'HashSet<string>.HashSet(IEnumerable<string> collection, IEqualityComparer<string>? comparer)' due to differences in the nullability of reference types.
owen --engine (#262 Stage 1 controls) (windows-latest): frontend/roslyn/OwnSharp.Extractor/Program.cs#L5753
Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'HashSet<string>.HashSet(IEnumerable<string> collection, IEqualityComparer<string>? comparer)' due to differences in the nullability of reference types.
tests (py3.11)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AppScopedSourceSample.cs#L100
event 'service.ThemeChanged' is subscribed (handler 'OnTheme') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'CuratedOnlyApp' alive (possible leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AppScopedSourceSample.cs#L89
event 'themeManager.ThemeChanged' is subscribed (handler '(s, e) => counter[0]++') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'LambdaApp' alive (possible leak — and being an inline lambda it has no '-=' handle, so it could never be detached)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AppScopedSourceSample.cs#L74
event 'themeManager.ThemeChanged' is subscribed (handler 'OnTheme') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'NotAnApp' alive (possible leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AppDomainShutdownSample.cs#L54
event 'SomeBus.Pinged' is subscribed (handler '(_, _) => cts.Cancel()') to a static (process-lived) event source that outlives 'NonAppDomainSubscriber'; the strong subscription promotes 'NonAppDomainSubscriber' to the source's lifetime, so it can never be collected — a region escape (leak, no release path — and being an inline lambda it has no '-=' handle, so it could never be detached)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AppDomainShutdownSample.cs#L34
event 'AppDomain.CurrentDomain.ProcessExit' is subscribed (handler '(_, _) => _count++') to a static (process-lived) event source that outlives 'CapturingShutdownSubscriber'; the strong subscription promotes 'CapturingShutdownSubscriber' to the source's lifetime, so it can never be collected — a region escape (leak, no release path — and being an inline lambda it has no '-=' handle, so it could never be detached)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AliasedSourceViewModel.cs#L23
event 'src.CustomerChanged' is subscribed (handler 'OnAliased') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'AliasedSourceViewModel' alive (possible leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AliasDisposeSample.cs#L75
IDisposable field '_scopedLeak' (type 'CancellationTokenSource') is never disposed — its owner 'ScopedAliasNameLeak' leaks it (leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AliasDisposeSample.cs#L57
IDisposable field '_refRebound' (type 'CancellationTokenSource') is never disposed — its owner 'RefReboundAliasLeaks' leaks it (leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AliasDisposeSample.cs#L42
IDisposable field '_rebound' (type 'CancellationTokenSource') is never disposed — its owner 'ReboundAliasLeaks' leaks it (leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AliasDisposeSample.cs#L29
IDisposable field '_neverDisposed' (type 'CancellationTokenSource') is never disposed — its owner 'AliasNeverDisposes' leaks it (leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AssociatedObjectSourceSample.cs#L139
event 's0.Loaded' is subscribed (handler 'OnLoaded') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'ReassignedLocalBehavior' alive (possible leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AssociatedObjectSourceSample.cs#L118
event 'panel.Loaded' is subscribed (handler 'OnLoaded') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'MixedFieldBehavior' alive (possible leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AssociatedObjectSourceSample.cs#L100
event 'this.AssociatedObject.Loaded' is subscribed (handler 'OnLoaded') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'NotABehavior' alive (possible leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AssociatedObjectSourceSample.cs#L57
event '_bus.Changed' is subscribed (handler '(s, e) => Handle()') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'TiltLikeBehavior' alive (possible leak — and being an inline lambda it has no '-=' handle, so it could never be detached)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AppScopedSourceSample.cs#L137
event 'tm.ThemeChanged' is subscribed (handler 'OnTheme') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'ReassignApp' alive (possible leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AppScopedSourceSample.cs#L118
event 'themeManager.ThemeChanged' is subscribed (handler '_twin!.OnTheme') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'TwinApp' alive (possible leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AppScopedSourceSample.cs#L100
event 'service.ThemeChanged' is subscribed (handler 'OnTheme') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'CuratedOnlyApp' alive (possible leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AppScopedSourceSample.cs#L89
event 'themeManager.ThemeChanged' is subscribed (handler '(s, e) => counter[0]++') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'LambdaApp' alive (possible leak — and being an inline lambda it has no '-=' handle, so it could never be detached)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AppScopedSourceSample.cs#L74
event 'themeManager.ThemeChanged' is subscribed (handler 'OnTheme') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'NotAnApp' alive (possible leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AliasedSourceViewModel.cs#L23
event 'src.CustomerChanged' is subscribed (handler 'OnAliased') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'AliasedSourceViewModel' alive (possible leak)
OWN001: frontend/roslyn/samples/AssociatedObjectSourceSample.cs#L118
[OWN001] event 'panel.Loaded' is subscribed (handler 'OnLoaded') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'MixedFieldBehavior' alive (possible leak) [resource: subscription token]
OWN001: frontend/roslyn/samples/AssociatedObjectSourceSample.cs#L100
[OWN001] event 'this.AssociatedObject.Loaded' is subscribed (handler 'OnLoaded') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'NotABehavior' alive (possible leak) [resource: subscription token]
OWN001: frontend/roslyn/samples/AssociatedObjectSourceSample.cs#L57
[OWN001] event '_bus.Changed' is subscribed (handler '(s, e) => Handle()') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'TiltLikeBehavior' alive (possible leak — and being an inline lambda it has no '-=' handle, so it could never be detached) [resource: subscription token]
OWN001: frontend/roslyn/samples/AppScopedSourceSample.cs#L137
[OWN001] event 'tm.ThemeChanged' is subscribed (handler 'OnTheme') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'ReassignApp' alive (possible leak) [resource: subscription token]
OWN001: frontend/roslyn/samples/AppScopedSourceSample.cs#L118
[OWN001] event 'themeManager.ThemeChanged' is subscribed (handler '_twin!.OnTheme') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'TwinApp' alive (possible leak) [resource: subscription token]
OWN001: frontend/roslyn/samples/AppScopedSourceSample.cs#L100
[OWN001] event 'service.ThemeChanged' is subscribed (handler 'OnTheme') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'CuratedOnlyApp' alive (possible leak) [resource: subscription token]
OWN001: frontend/roslyn/samples/AppScopedSourceSample.cs#L89
[OWN001] event 'themeManager.ThemeChanged' is subscribed (handler '(s, e) => counter[0]++') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'LambdaApp' alive (possible leak — and being an inline lambda it has no '-=' handle, so it could never be detached) [resource: subscription token]
OWN001: frontend/roslyn/samples/AppScopedSourceSample.cs#L74
[OWN001] event 'themeManager.ThemeChanged' is subscribed (handler 'OnTheme') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'NotAnApp' alive (possible leak) [resource: subscription token]
OWN001: frontend/roslyn/samples/AliasedSourceViewModel.cs#L23
[OWN001] event 'src.CustomerChanged' is subscribed (handler 'OnAliased') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'AliasedSourceViewModel' alive (possible leak) [resource: subscription token]
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/OwnSharp.Extractor/Program.cs#L5753
Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'HashSet<string>.HashSet(IEnumerable<string> collection, IEqualityComparer<string>? comparer)' due to differences in the nullability of reference types.
state protocols (C# -> OwnIR v1, real ASP.NET Core + EF Core backend) (windows-latest)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
corpus benchmark (real C# recall + specificity)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065, actions/upload-artifact@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
C# leak extractor (Roslyn) -> OwnIR -> core
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065, actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
C# leak extractor (Roslyn) -> OwnIR -> core: frontend/roslyn/OwnSharp.Extractor/Program.cs#L5753
Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'HashSet<string>.HashSet(IEnumerable<string> collection, IEqualityComparer<string>? comparer)' due to differences in the nullability of reference types.
Owen.VisualStudio in a real Visual Studio (unsaved edit -> squiggle + Error List)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065, actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
shadow compare (C# samples)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
rust (fmt + clippy + tests)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
lint (ruff + mypy --strict)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
golden C# compiles & runs (.NET)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
tests (py3.12)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
tests (py3.13)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
extended codegen fuzz
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
release-workflow environment-protection predicate (fixture-driven)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
state protocols (C# -> OwnIR v1, real ASP.NET Core + EF Core backend) (ubuntu-latest)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
own-cli (ownir parity replay) (ubuntu-latest)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
Owen live service (in-process extractor, owen serve, build/live parity) (ubuntu-latest)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
Owen extension substrate (Owen.Build + Owen.TypedBuilder, isolated consumer) (ubuntu-latest)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
audit aggregation selftests
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
own-check SARIF -> GitHub code scanning (Rust dog-food)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
#263-A measurement instrument (CALIBRATION_ONLY) (ubuntu-latest)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
OwnTS OSS true positives -> runtime leak proof (jsdom)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
owen CLI (gate A) — clean install -> check -> findings (ubuntu-latest)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
owen --engine (#262 Stage 1 controls) (ubuntu-latest)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
shadow compare (committed corpus)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
P-014 Tier B — external reference resolution (--ref-dir)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
OwnTS (React useEffect) -> OwnIR -> core
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
formal kernel (fmt + clippy + twins + fast Kani)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
Rust-default dogfood (Own.NET's own tree, via own-cli) (ubuntu-latest)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
tests (py3.11)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
corpus benchmark (real C# recall + specificity)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
C# leak extractor (Roslyn) -> OwnIR -> core
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
shadow compare (C# samples)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"

Artifacts

Produced during runtime
Name Size Digest
benchmark-scorecard
1.54 KB
sha256:ccb40f2b86b87e5e7ac22b2394ac45e60e1c19cab052b7865fc35eaea9352c0d
csharp-samples-ownir
4.34 KB
sha256:adaca87c9973963e13e655a6b19d3d22feff58065b0d3c25e3ffa7da9c7cdb05
owen-visual-studio-evidence
494 KB
sha256:1ad2d9cde4cadcae598bd90f675286eb74341eb810433aad9fdb2f9692f11ba1