What's changed?

Support for new 'require by string' RFC with relative paths and aliases in now enabled in Luau REPL application

Fixed assertion failure on generic table keys ([expr] = value)
Fixed an issue with type substitution traversing into the substituted parts during type instantiation
Fixed crash in union simplification when that union contained uninhabited unions and other types inside
Union types in binary type families like add<a | b, c> are expanded into add<a, c> | add<b, c> to handle
Added handling for type family solving creating new type families
Fixed a bug with normalization operation caching types with unsolved parts
Tables with uninhabited properties are now simplified to never
Fixed failures found by fuzzer

Added support for shared code generation between multiple Luau VM instances
Fixed issue in load-store propagation and new tagged LOAD_TVALUE instructions
Fixed issues with partial register dead store elimination causing failures in GC assists

Co-authored-by: Aaron Weiss aaronweiss@roblox.com Co-authored-by: Alexander McCord amccord@roblox.com Co-authored-by: Andy Friesen afriesen@roblox.com Co-authored-by: James McNellis jmcnellis@roblox.com Co-authored-by: Vighnesh Vijay vvijay@roblox.com Co-authored-by: Vyacheslav Egorov vegorov@roblox.com

luau-lang / luau