Add compiler compatibility test suite for anonymous records with MSBuild-generated build verification and comprehensive documentation#18913

Merged

T-Gro merged 32 commits intomainfrom

copilot/fix-7efdf64f-592c-4ce7-9871-9e7dadc5a81e

Oct 22, 2025

Commits on Sep 17, 2025

Initial plan
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Add compiler compatibility test suite with anonymous records

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Complete compiler compatibility test suite implementation

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Final implementation of compiler compatibility test suite

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Address code review feedback: parametrized tests, global.json support, and fixed compiler selection

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Address code review: fix LoadLocalFSharpBuild, simplify versions, remove unwanted files

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Commits on Sep 18, 2025

Fix test failures: replace Unicode checkmarks with platform-agnostic SUCCESS messages

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Commits on Sep 19, 2025

Commits on Oct 16, 2025

Commits on Oct 21, 2025