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Remove always-on UseBindingValueDiscard language feature flag - #20218

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fix/issue-20162
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Remove always-on UseBindingValueDiscard language feature flag#20218
T-Gro wants to merge 1 commit into
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fix/issue-20162

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@T-Gro

@T-Gro T-Gro commented Aug 6, 2026

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Fixes #20162

LanguageFeature.UseBindingValueDiscard has shipped since F# 6.0 and is enabled for every selectable --langversion (minimum accepted is 8.0), so its flag could never be turned off. Removed the dead flag and collapsed use _ = ... checking to its enabled behaviour. --disableLanguageFeature:UseBindingValueDiscard is no longer a recognised feature name.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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⚠️ Release notes required, but author opted out

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Author opted out of release notes, check is disabled for this pull request.
cc @dotnet/fsharp-team-msft

@T-Gro T-Gro added the NO_RELEASE_NOTES Label for pull requests which signals, that user opted-out of providing release notes label Aug 6, 2026
@github-actions github-actions Bot added the AI-Tooling-Check-Bypassed Tooling check: non-fork PR, not diff-analyzed label Aug 6, 2026
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Remove always-on language feature flag: UseBindingValueDiscard

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