rescript-lang/rescript

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ReScript is a robustly typed language that compiles to efficient and human-readable JavaScript.

Stars: 7.5k
Forks: 485
Open beginner issues: 0
Indexed issues: 106
Avg merge: 1d 2h
Merged PRs (30d): 55

Dominant language: OCaml
License: No license data
Last GitHub push: Sep 16, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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106 open issues indexed

Rewatch: in-process bsc prototype Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

rescript-lang/rescript#8659 · 2 comments · 2 reactions · Opened Sep 15, 2026
reanalyze: duplicated batch/reactive pipelines have silently drifted; the editor runs the untested one Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

rescript-lang/rescript#8647 · Opened Sep 10, 2026
Untagged variants: boolean literal/payload overlap is rejected while string, int, float and bigint overlap is allowed Open

rescript-lang/rescript#8632 · 1 assignee · Opened Sep 6, 2026
Stamp parsetree v1: what remains before the AST can be frozen for PPXs Open

Difficulty 5/5 Over a week Newbie friendliness 28/100

rescript-lang/rescript#8624 · Opened Sep 4, 2026
RFC: Unified Xote-based playground Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

rescript-lang/rescript#8596 · 2 comments · Opened Aug 29, 2026
Make Lambda optimization decisions stable across normalization timing Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rescript-lang/rescript#8573 · 1 reaction · Opened Aug 20, 2026
Replace the unmaintained OCaml Flow parser dependency Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

rescript-lang/rescript#8567 · 2 comments · Opened Aug 19, 2026
Rebuild source dependencies when package output settings change Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

rescript-lang/rescript#8539 · Opened Aug 10, 2026
Dependency analysis Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rescript-lang/rescript#8499 · Opened Jul 9, 2026
Module file with non standard filename can't have interface file Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

rescript-lang/rescript#8485 · Opened Jun 23, 2026
Provided `jsx.module` in root `rescript.json` does not work Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

rescript-lang/rescript#8468 · 1 comment · Opened Jun 10, 2026
Proposal: make instatiation of a private record/variant raise a warning instead of an error Open

need feedback

rescript-lang/rescript#8458 · 2 comments · 2 reactions · 1 assignee · Opened May 31, 2026
You should not be able to cast to a private record/variant Open

rescript-lang/rescript#8457 · 3 reactions · 1 assignee · Opened May 31, 2026
Array.length > 0 outputs [].length !== 0 Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

rescript-lang/rescript#8445 · 1 comment · Opened May 26, 2026
Ship AI skills with the compiler Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

rescript-lang/rescript#8414 · 2 comments · 1 reaction · Opened May 7, 2026
Move JsxDOM types etc. into @rescript/react(-dom) Open

cleanup

rescript-lang/rescript#8400 · 5 comments · 1 reaction · 1 assignee · Opened Apr 29, 2026
[reanalyze] Detect duplicates, define boundaries, check codebase health Open

rescript-lang/rescript#8398 · 1 assignee · Opened Apr 28, 2026
Add getOr/getOrThrow API for Belt.HashMap Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

rescript-lang/rescript#8381 · Opened Apr 21, 2026
Proposal to rename Null->Nullable, Nullable->Nullish Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rescript-lang/rescript#8378 · 2 comments · Opened Apr 21, 2026
`genType` emits relative `./S.gen` for workspace (file:) dependencies instead of package-qualified sury/src/S.gen Open

Difficulty 4/5 3-5 days Newbie friendliness 58/100

rescript-lang/rescript#8375 · 1 comment · Opened Apr 20, 2026
Allow `_` as a record field name Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

rescript-lang/rescript#8345 · 4 comments · Opened Apr 13, 2026
ESM default imports when using @scope Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

rescript-lang/rescript#8335 · Opened Apr 11, 2026
Proposal: Native ReScript macros for extensions and derivers Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rescript-lang/rescript#8330 · 4 comments · 5 reactions · Opened Apr 9, 2026
Better output for Tagged Variants with non-inline record Open

Difficulty 5/5 Over a week Newbie friendliness 45/100

rescript-lang/rescript#8280 · 3 comments · Opened Mar 6, 2026
Ignore is expecting 'a => promise<'a> previously it was 'a => () which is not the case now and it's a breaking change Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

rescript-lang/rescript#8278 · 7 comments · Opened Mar 5, 2026
Spreading an object affects interpretation of its optional fields Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

rescript-lang/rescript#8245 · 1 comment · Opened Feb 13, 2026
Migration on dict cause invalid code Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

rescript-lang/rescript#8242 · 9 comments · Opened Feb 6, 2026
Primitive_object.equal treats empty array as Some(None) Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

rescript-lang/rescript#8234 · 3 comments · 1 reaction · Opened Jan 30, 2026
Better callable subtyping for optional parameters Open

Difficulty 5/5 Over a week Newbie friendliness 38/100

rescript-lang/rescript#8228 · 5 comments · Opened Jan 25, 2026
Proposal: Optional "return" as Syntactic Sugar in ReScript 13 Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rescript-lang/rescript#8191 · 7 comments · 1 reaction · Opened Jan 18, 2026
Rewatch: reserved package names Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

rescript-lang/rescript#8176 · Opened Jan 16, 2026
JSX preserve mode depends on ReactDOM Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rescript-lang/rescript#8172 · 4 comments · Opened Jan 13, 2026
Dict : Accessing items with bracket, like an array or object Open

rescript-lang/rescript#8163 · 3 comments · 1 assignee · Opened Jan 9, 2026
Misleading `this argument will not be used by the function` warning Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rescript-lang/rescript#8159 · 2 comments · Opened Jan 7, 2026
Warnings in the watch mode Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rescript-lang/rescript#8158 · 10 comments · Opened Jan 7, 2026
Invalid function call in generated output Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

rescript-lang/rescript#8153 · 3 comments · Opened Jan 7, 2026
Migration tool should only rewrite file if actual changes were made Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

rescript-lang/rescript#8152 · Opened Jan 7, 2026
Automatic migrations should not trigger for dependencies Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

rescript-lang/rescript#8096 · Opened Dec 19, 2025
Allow `$` in identifiers Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

rescript-lang/rescript#8094 · 7 comments · 1 reaction · Opened Dec 19, 2025
Emitted JS / Gentype double-escapes output Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

rescript-lang/rescript#8088 · Opened Dec 12, 2025
JSX preserve mode: hardcoded "JsxRuntime" Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

rescript-lang/rescript#8079 · 1 comment · Opened Dec 9, 2025
Revisit JSX syntax Open

discussion

Difficulty 5/5 Over a week Newbie friendliness 38/100

rescript-lang/rescript#8053 · 5 comments · 12 reactions · Opened Dec 4, 2025
Early return / break Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rescript-lang/rescript#8052 · 1 comment · Opened Dec 4, 2025
Immutable Arrays Open

rescript-lang/rescript#8051 · 1 assignee · Opened Dec 4, 2025
JSX preserve mode generates invalid JSX for external component bindings Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rescript-lang/rescript#8047 · 1 comment · Opened Dec 1, 2025
Missing dependency in search path when using dynamic import Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

rescript-lang/rescript#8046 · 5 comments · Opened Dec 1, 2025
`rescript-tools doc` not extracting docstrings from type definitions Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

rescript-lang/rescript#8040 · 5 comments · Opened Nov 27, 2025
Js.Re.matches -> RegExp.Result.matches - Unexpected bug caused by migration to v12 Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

rescript-lang/rescript#8029 · 5 comments · Opened Nov 21, 2025
Extend unboxed variants to support more advanced use cases Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rescript-lang/rescript#7988 · 7 reactions · Opened Oct 24, 2025
Improve error message when adding type to generic application Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rescript-lang/rescript#7969 · 2 comments · Opened Oct 17, 2025

rescript-lang/rescript

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