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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_testDesktop 1) failed Dec 19, 2025 in 26m 20s

Build WindowsNoRealsig_testDesktop 1 failed

2 errors / 0 warnings

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Check failure on line 4938 in Build log

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@azure-pipelines azure-pipelines / fsharp-ci (Build WindowsNoRealsig_testDesktop 1)

Build log #L4938 

(NETCORE_ENGINEERING_TELEMETRY=Test) Failure running tests

Check failure on line 4939 in Build log

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@azure-pipelines azure-pipelines / fsharp-ci (Build WindowsNoRealsig_testDesktop 1)

Build log #L4939 

Cmd.exe exited with code '1'.
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