Curated issues

React Good First Issues for JavaScript

Browse JavaScript issues that involve React: the repository is tagged with it, or the issue itself names it.

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Beginner friendly Everything

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`minWidth` and `maxWidth` accept percentages the docs say are unsupported Open

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

vadimdemedes/ink#1029 · Opened Sep 20, 2026
[BUG] schema-compat/zodToJsonSchema: nullable zod v4 enum/literal widens to type:[X,"null"] but keeps enum/const, so exported schema rejects null Open

status: needs triage

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

mastra-ai/mastra#24516 · 2 comments · Opened Sep 20, 2026
`db:migrate:search` returns early on an all-noop plan, so `cleanupStaleVersions` never runs and retired index versions persist Open

good first issue type: bug

Difficulty 2/5 1-3 hours Newbie friendliness 85/100

medusajs/medusa#16885 · 1 comment · Opened Sep 20, 2026
Refresh the README: screenshot and feature list are out of date Open

documentation good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 85/100

amponce/archive-movie-browser#70 · Opened Sep 20, 2026
Most buttons and selects are under the 40px touch target size Open

accessibility good first issue mobile

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

amponce/archive-movie-browser#63 · Opened Sep 20, 2026
[BUG] @mastra/editor/composio fails to import on fresh installs Open

bug status: needs triage

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

mastra-ai/mastra#24512 · 2 comments · 1 reaction · Opened Sep 20, 2026
@ai-sdk/open-responses: schema-less JSON output sends a bare `{ type: "json_schema" }`, which the Responses API rejects Open

factory-active factory-automatic task-bug-reproduction-success task-identify-harness-labels-done task-identify-issue-type-done

Difficulty 2/5 1-3 hours Newbie friendliness 85/100

vercel/ai#21202 · 3 comments · Opened Sep 20, 2026
[expo-navigation-bar] Package ships no `mocks/` directory, so importing it throws under `jest-expo/android` Open

contributor: external needs review

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

expo/expo#50385 · Opened Sep 20, 2026
node:http2: respondWithFD() ignores the offset and length that statCheck sets on its third argument Open

bug node:http2

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

oven-sh/bun#43547 · Opened Sep 19, 2026
node:http: res.write("") on a HEAD or 204 response does not throw ERR_HTTP_BODY_NOT_ALLOWED with rejectNonStandardBodyWrites Open

bug node:http

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

oven-sh/bun#43535 · Opened Sep 19, 2026
Tests for "Build a Customer Complaint Form" Should Dispatch Events When Setting `checked` Property Open

scope: curriculum status: waiting triage

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

freeCodeCamp/freeCodeCamp#70215 · 1 comment · Opened Sep 19, 2026
Bun.Transpiler replMode with target "bun" emits `var {require}=import.meta;`, a SyntaxError in vm.runInContext Open

bug transpiler

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

oven-sh/bun#43506 · 1 comment · Opened Sep 19, 2026
React hooks defeat their own memoization due to = {} default parameters Open

good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

OWASP/www-project-webshield-library#20 · Opened Sep 19, 2026
Groq non-streaming crashes with raw TypeError on empty choices Open

factory-active factory-automatic task-bug-reproduction-success task-identify-harness-labels-done task-identify-issue-type-done

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

vercel/ai#21183 · 4 comments · Opened Sep 19, 2026
Chromium: excessive layout time with many math previews due to unused CSS anchor Open

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

TypeCellOS/BlockNote#3098 · Opened Sep 19, 2026
Docs: Form library compatibility table for RSC pages Open

Difficulty 1/5 1-3 hours Newbie friendliness 90/100

shakacode/react_on_rails#5088 · Opened Sep 19, 2026
"Build a Bookmark Manager App" Example Project Not Working: `iframe` `sandbox` Missing `allow-same-origin` Flag Open

scope: curriculum status: waiting triage

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

freeCodeCamp/freeCodeCamp#70200 · Opened Sep 19, 2026
[BUG] A model chain that recovers on a fallback logs the failed attempt twice at `error` level, with no `warn` downgrade and no terminal marker Open

@mastra/core Agents effort:low impact:medium Logging Observability (AI Telemetry) status: auto-triaged

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

mastra-ai/mastra#24441 · 2 comments · Opened Sep 19, 2026
[BUG] `structuredOutput.jsonPromptInjection: false` is ignored when a structuring model is set — the full JSON schema is injected on every step Open

@mastra/core bug effort:low Guardrails & I/O Processing impact:medium status: auto-triaged

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

mastra-ai/mastra#24440 · 2 comments · Opened Sep 19, 2026
node:http: res.write(chunk, "") and res.end(chunk, "") throw "Invalid encoding" Open

bug node:http

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

oven-sh/bun#43370 · 2 comments · Opened Sep 18, 2026
fs and http reject the `utf-16le` encoding alias and accept `utf16-le` Open

bug node:fs node:http

Difficulty 1/5 Under an hour Newbie friendliness 92/100

oven-sh/bun#43369 · 1 comment · Opened Sep 18, 2026
filterOptions on a virtual: 'path.to.field' relationship/upload field is never applied in the list view's Where Builder filter dropdown Open

area: ui Bug status: needs-triage v3

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

payloadcms/payload#18215 · 1 comment · Opened Sep 18, 2026
`bun test` runs a file twice when two path arguments select it (`bun test --isolate ./sub ./sub/b.test.ts`) Open

bug bun:test

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

oven-sh/bun#43359 · 1 comment · Opened Sep 18, 2026
Bun.SQL (postgres): an array with explicit bounds (`[0:2]={1,2,3}`, `indkey::int2[]`) fails with ERR_POSTGRES_UNSUPPORTED_ARRAY_FORMAT Open

bug sql

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

oven-sh/bun#43332 · 1 comment · Opened Sep 18, 2026
bun why: the no-argument usage text loses its indentation Open

bug bun install

Difficulty 2/5 1-3 hours Newbie friendliness 90/100

oven-sh/bun#43310 · 1 comment · Opened Sep 18, 2026
docs: `Subprocess.resourceUsage().maxRSS` on Linux is never lower than the spawner's peak RSS Open

bun:spawn docs linux

Difficulty 2/5 1-3 hours Newbie friendliness 90/100

oven-sh/bun#43305 · 1 comment · Opened Sep 18, 2026
bun why: a cycle through the queried package prints one extra round before *circular Open

bug bun install

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

oven-sh/bun#43295 · 1 comment · Opened Sep 18, 2026
Breadcrumb eviction in Scope.addBreadcrumb is reported as a discarded log_item (buffer_overflow) Open

Client Reports Next.js Waiting for: Product Owner

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

getsentry/sentry-javascript#24510 · 1 comment · Opened Sep 18, 2026
bun why: branch markers count a dependent that the workspace filter hides Open

bug bun install

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

oven-sh/bun#43291 · 1 comment · Opened Sep 18, 2026
`bun why` prints the "No packages matching" error to stdout Open

bug bun install

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

oven-sh/bun#43285 · 1 comment · Opened Sep 18, 2026
Macro accepts JSX placeholder names containing `-` or `.`, but the React runtime renders them as literal text Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

lingui/js-lingui#2676 · 2 comments · Opened Sep 18, 2026
Search results pagination width than screen Open

01 type: bug 21 status: confirmed

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

plone/volto#8432 · 7 comments · Opened Sep 18, 2026
Build auth library entry points together Open

enhancement f: auth refactoring tooling

Difficulty 2/5 1-3 hours Newbie friendliness 70/100

wasp-lang/wasp#4877 · Opened Sep 18, 2026
Bun.SQL: a query cancelled by tx.close() or reserved.close() before it ran never settles when awaited Open

bug sql

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

oven-sh/bun#43265 · 1 comment · Opened Sep 18, 2026
validateUIMessages discards schema defaults and transformations Open

factory-active factory-automatic task-bug-reproduction-success task-identify-harness-labels-done task-identify-issue-type-done

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

vercel/ai#21122 · 3 comments · Opened Sep 18, 2026
DirectChatTransport fails tool-approval continuation when onEnd is set Open

factory-active factory-automatic task-bug-reproduction-success task-identify-harness-labels-done task-identify-issue-type-done

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

vercel/ai#21118 · 4 comments · Opened Sep 18, 2026
[BUG] @mastra/quickjs CJS build cannot load ts-blank-space (ESM-only), every program fails Open

status: needs triage

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

mastra-ai/mastra#24357 · 2 comments · Opened Sep 18, 2026
@happy-dom/jest-environment leaks the Window on teardown: window.close() is a no-op for the top-level window Open

bug

Difficulty 1/5 Under an hour Newbie friendliness 90/100

capricorn86/happy-dom#2424 · Opened Sep 18, 2026
pruneMessages leaves reasoning files when reasoning is set to all Open

factory-active factory-automatic task-bug-reproduction-success task-identify-harness-labels-done task-identify-issue-type-done

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

vercel/ai#21102 · 3 comments · Opened Sep 18, 2026
[expo-router][web] Browser Back after a replace() remounts the whole tree: the forked createMemoryHistory never syncs its index on popstate Open

contributor: external needs review

Difficulty 1/5 Under an hour Newbie friendliness 88/100

expo/expo#50317 · 1 comment · Opened Sep 18, 2026
[Bug]: empty string arguments get omitted when parse to query string (e.g. open new window) Open

args bug core sev:S3 ui

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

storybookjs/storybook#36356 · 1 reaction · Opened Sep 18, 2026
Mocking RN NativeAnimatedHelper - path has been changed Open

Difficulty 1/5 Under an hour Newbie friendliness 94/100

react-navigation/react-navigation.github.io#1516 · 1 comment · Opened Sep 18, 2026
extractReasoningMiddleware loses text when text blocks overlap Open

factory-active factory-automatic task-bug-reproduction-success task-identify-harness-labels-done task-identify-issue-type-done

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

vercel/ai#21050 · 3 comments · Opened Sep 18, 2026
Security: Identity (no-op) string replacement in errorInspector helpers (CodeQL alert #23) Open

bug security

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

conductor-oss/conductor#1642 · Opened Sep 17, 2026
Security: ReDoS + per-call Pattern compile in PostgresIndexQueryBuilder (CodeQL alert #3) Open

bug security

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

conductor-oss/conductor#1640 · 1 comment · Opened Sep 17, 2026
Security: Path injection in DummyPayloadStorage (CodeQL alert #4) Open

bug security

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

conductor-oss/conductor#1639 · 3 comments · Opened Sep 17, 2026
Enatega Website (Mobile): Currency in price summary is not showing on the checkout page Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

marthaegrimaldi/online-food-delivery-platform-using-react-js#391 · Opened Sep 17, 2026
Enatega Website: Pickup Order Flow Incorrectly Prompts for Location ("Where to?") Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

marthaegrimaldi/online-food-delivery-platform-using-react-js#390 · Opened Sep 17, 2026
Enatega Customer App(iOS): "Terms of service" and "Privacy Policy" redirecting to main website. Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

marthaegrimaldi/online-food-delivery-platform-using-react-js#388 · Opened Sep 17, 2026
[SLFS]: Display SL Name in the h1 of relationship tab Open

Leadership Survey Phase 2

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

bcgov/digital-journeys#2285 · Opened Sep 17, 2026

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React Good First Issues for JavaScript

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