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Add --disableLanguageFeature CLI switch and MSBuild property to selectively disable language features #19167

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Fix nullness warning in TryParseFeature by using box before downcast

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Add --disableLanguageFeature CLI switch and MSBuild property to selectively disable language features #19167

Fix nullness warning in TryParseFeature by using box before downcast
2e3f35c
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Azure Pipelines / fsharp-ci (Build WindowsNoRealsig_testCoreclr) failed Dec 19, 2025 in 28m 15s

Build WindowsNoRealsig_testCoreclr failed

2 errors / 0 warnings

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Check failure on line 5327 in Build log

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@azure-pipelines azure-pipelines / fsharp-ci (Build WindowsNoRealsig_testCoreclr)

Build log #L5327 

(NETCORE_ENGINEERING_TELEMETRY=Test) Failure running tests

Check failure on line 5328 in Build log

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@azure-pipelines azure-pipelines / fsharp-ci (Build WindowsNoRealsig_testCoreclr)

Build log #L5328 

Cmd.exe exited with code '1'.
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