Remove NET9_0_OR_GREATER and NET10_0_OR_GREATER preprocessor constants#122953

Merged

stephentoub merged 9 commits intomainfrom

copilot/update-compilation-constants

Jan 7, 2026

Commits on Jan 7, 2026

Initial plan
Copilot
committed
Remove NET9_0_OR_GREATER and NET10_0_OR_GREATER from System.Private.CoreLib

Copilot
and
stephentoub
committed
Replace NET9_0_OR_GREATER and NET10_0_OR_GREATER with NET in libraries

Copilot
and
stephentoub
committed
Remove #if NET from netcore-only files that are always .NET Core

Copilot
and
stephentoub
committed
Fix build failures: restore #if NET guards for allows ref struct in shared files

Copilot
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stephentoub
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Fix HexConverter build failure and update test baselines to use NET instead of NET10_0_OR_GREATER

Copilot
and
stephentoub
committed
Invert HexConverter condition to use #if NET ... #else format

Copilot
and
stephentoub
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Fix formatting in netcore files after removing #if directives

Copilot
and
MihaZupan
committed
Replace NET9_0_OR_GREATER and NET10_0_OR_GREATER in test files

Copilot
and
stephentoub
committed