Sourced from rescript's releases.

12.0.0-beta.10

:rocket: New Feature

• Support mapping more standard library types automatically to TS types via gentype, without requiring shims. rescript-lang/rescript#7842

:bug: Bug fix

• Show Stdlib.TypedArray completions for typed arrays. rescript-lang/rescript#7827
• Show Stdlib.Null and Stdlib.Nullable completions for Stdlib.null<'a> and Stdlib.nullable<'a> types, respectively. rescript-lang/rescript#7826
• Fix generation of interfaces for module types containing multiple type constraints. rescript-lang/rescript#7825
• JSX preserve mode: fix "make is not a valid component name". rescript-lang/rescript#7831
• Rewatch: include parser arguments of experimental features. rescript-lang/rescript#7836
• Stop mangling tagged templates and backquoted strings. rescript-lang/rescript#7841
• JSX v4: fix arity mismatch for @react.component with React.forwardRef. rescript-lang/rescript#7845

:nail_care: Polish

• Improve error message for trying to define a type inside a function. rescript-lang/rescript#7843
• Refactor CLI to use spawn for better signal handling in watch mode. rescript-lang/rescript#7844

12.0.0-beta.9

:boom: Breaking Change

• Extract ReScript runtime files from main rescript package to separate @rescript/runtime package. rescript-lang/rescript#7796
• Remove @rescript/std (in favor of @rescript/runtime). rescript-lang/rescript#7811

:rocket: New Feature

• Add support for ArrayBuffer and typed arrays to @unboxed. rescript-lang/rescript#7788
• Experimental: Add let? syntax for unwrapping and propagating errors/none as early returns for option/result types. rescript-lang/rescript#7582
• Add support for shipping features as experimental, including configuring what experimental features are enabled in rescript.json. rescript-lang/rescript#7582

:bug: Bug fix

• Fix JS regex literal parsing in character classes. rescript-lang/rescript#7790
• Fix creating interface for functions with upper bounded polymorphic args. rescript-lang/rescript#7786

:nail_care: Polish

• Make parser less strict around leading attributes. rescript-lang/rescript#7787
• Dedicated error message for ternary type mismatch. rescript-lang/rescript#7804
• Dedicated error message for passing a braced ident to something expected to be a record. rescript-lang/rescript#7806
• Hint about partial application when missing required argument in function call. rescript-lang/rescript#7807
• More autocomplete improvements involving modules and module types. rescript-lang/rescript#7795
• Autocomplete @react.componentWithProps attribute. rescript-lang/rescript#7812
• Add some missing iframe attributes to domProps. rescript-lang/rescript#7813
• Polish error message for inline record escaping scope. rescript-lang/rescript#7808
• Formatter: Change placement of closing > in JSX. rescript-lang/rescript#7803

:house: Internal

... (truncated)

Sourced from rescript's changelog.

12.0.0-beta.10

:rocket: New Feature

• Support mapping more standard library types automatically to TS types via gentype, without requiring shims. rescript-lang/rescript#7842

:bug: Bug fix

• Show Stdlib.TypedArray completions for typed arrays. rescript-lang/rescript#7827
• Show Stdlib.Null and Stdlib.Nullable completions for Stdlib.null<'a> and Stdlib.nullable<'a> types, respectively. rescript-lang/rescript#7826
• Fix generation of interfaces for module types containing multiple type constraints. rescript-lang/rescript#7825
• JSX preserve mode: fix "make is not a valid component name". rescript-lang/rescript#7831
• Rewatch: include parser arguments of experimental features. rescript-lang/rescript#7836
• Stop mangling tagged templates and backquoted strings. rescript-lang/rescript#7841
• JSX v4: fix arity mismatch for @react.component with React.forwardRef. rescript-lang/rescript#7845

:nail_care: Polish

• Improve error message for trying to define a type inside a function. rescript-lang/rescript#7843

• Refactor CLI to use spawn for better signal handling in watch mode. rescript-lang/rescript#7844

• Add a prepareRename command the LSP can use for faster renames. rescript-lang/rescript#7847

12.0.0-beta.9

:boom: Breaking Change

• Extract ReScript runtime files from main rescript package to separate @rescript/runtime package. rescript-lang/rescript#7796
• Remove @rescript/std (in favor of @rescript/runtime). rescript-lang/rescript#7811

:rocket: New Feature

• Add support for ArrayBuffer and typed arrays to @unboxed. rescript-lang/rescript#7788
• Experimental: Add let? syntax for unwrapping and propagating errors/none as early returns for option/result types. rescript-lang/rescript#7582
• Add support for shipping features as experimental, including configuring what experimental features are enabled in rescript.json. rescript-lang/rescript#7582

:bug: Bug fix

• Fix JS regex literal parsing in character classes. rescript-lang/rescript#7790
• Fix creating interface for functions with upper bounded polymorphic args. rescript-lang/rescript#7786

:nail_care: Polish

• Make parser less strict around leading attributes. rescript-lang/rescript#7787
• Dedicated error message for ternary type mismatch. rescript-lang/rescript#7804
• Dedicated error message for passing a braced ident to something expected to be a record. rescript-lang/rescript#7806
• Hint about partial application when missing required argument in function call. rescript-lang/rescript#7807
• More autocomplete improvements involving modules and module types. rescript-lang/rescript#7795
• Autocomplete @react.componentWithProps attribute. rescript-lang/rescript#7812
• Add some missing iframe attributes to domProps. rescript-lang/rescript#7813

... (truncated)

• 2fda497 Prepare for 12.0.0-beta.10 release (#7848)
• 535a8bd Refactor CLI to use spawn for better signal handling in watch mode (#7844)
• 2904146 changelog: add entry for JSX v4 forwardRef arity fix (#7845)
• b3f2b08 tests: add compiled .mjs for forwardRef_regress
• 35e1601 syntax/jsx_v4: fix forwardRef arity regression; mark internal impl uncurried ...
• ed425d8 Better error when defining a type inside of a function (#7843)
• e3256ba Extend Gentype shims (#7842)
• edf2724 stop mangling tagged templates and backquoted strings (#7841)
• cd8c272 docs: enhance CODEX.md with detailed repo guidance
• 5bbb344 Fix experimental rescript config (#7836)
• Additional commits viewable in compare view

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