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@github-actions github-actions released this 22 Sep 19:26
0.596
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Learn about vigilant mode.

What's Changed

  • Support Control Flow type Refinements for "break" and "continue" statements by @AmberGraceSoftware in #1004
  • The old type unification engine will now report a more fine-grained error at times, indicating that type normalization in particular failed

New Type Solver

  • Refactor of Unifier2, the new unification implementation for Luau
  • Completed MVP of new unification implementation
  • Dramatically simplified overload selection logic
  • Type family reduction can now apply sooner to free types that have been solved
  • Subtyping now supports table indexers
  • Generalization now replaces bad generics with unknown

Native Code Generation

  • Reduce stack spills caused by FINDUPVAL and STORE_TAG
  • Generate SHL/SHR/SAR/rotates with immediate operands in X64
  • Removed redundant case re-check in table lookup fallback

New Contributors

Full Changelog: 0.595...0.596

Contributors

AmberGraceSoftware
Assets 6
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