VisualFSharp v4.6 Release Notes
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🚀 This release contains the F# 4.6 language:
- 👍 Anonymous Record types have been added to the language, including full tooling support and the ability to emit them types into JavaScript objects via the Fable compiler.
- ValueOption type and ValueOption module function parity with Option type.
- tryExactlyOne function for arrays, lists, and sequences, contributed by Grzegorz Dziadkiewicz.